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Testimonials Download a Demo
 * (current)
 * RESOURCES FOR META-ANALYSIS
   Why perform a meta-analysis? Workshops on meta-analysis Common mistakes Books
   on meta-analysis Papers on meta-analysis Other meta-analysis websites
 * CMA SOFTWARE
   Why use CMA software What's new in Version 4 Video overview Take a tour
   Features Testimonials Specifications Requirements Comparison with other
   software
 * PRICING AND PURCHASE
   Upgrading from Version 2 Upgrading from Version 3 Corporate pricing /
   purchase Academic pricing / purchase Student pricing / purchase Teaching
   information Compare three versions License details Download order form
 * DOWNLOADS
   Download order form CMA free 10 day v4 trial CMA full v4 download CMA user
   manual Meta-regression manual CMA version 2
 * SUPPORT
   CMA user manual Meta-regression manual Video tutorials PDF tutorials Contact
   support Frequently asked questions Formulas Unlock codes Recent updates
   Scheduled updates Consulting
 * COMPANY
   Contact us About the company Clients The developers

Overview of CMA What's New in Version 4

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What's new in V4 Free trial Our workshops Consulting How to use CMA Download
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CMA Testimonials


I've used CMA for years now as a researcher and teacher. It is uncommon to see a
program that is so full‐featured yet easy enough to use that you can pick it up
in an afternoon. The calculations are spoton and the images are sharp enough for
use in publication. I recommend the software to all of my students and
colleagues who are performing meta‐analysis.

– David Walton PT, PhD
Assistant Professor, The University of Western Ontario
We perform a variety of meta‐analyses for academic, regulatory, and
international clients. Each presents a different set of challenges regarding
study design and outcome measurement. We have found CMA to be invaluable in this
work. The ability of the software to capture a variety of data elements (study
design, multiple outcomes, covariates/confounders) and present details of
computations is important in the credibility of our work. The ease of use and
ability to produce graphics in a variety of formats aids in preparation of the
report. In many instances, we are required to replicate the results of CMA in
another package (e.g., SAS). We have always found the support staff at CMA very
helpful in these replications and the results of CMA have been replicated in
every instance. CMA is a great tool in the scientific credibility of our
meta‐analytic studies.

– Donna F. Stroup, PhD, MSc
Data for Solutions, Inc.
Although my centre develops the statistical software the whole Cochrane
Collaboration uses for its systematic reviews and meta‐analyses (Review
Manager), I have often used Comprehensive Meta‐ Analysis for my own research
projects, as it is easy to import data from Excel, to use effect modifiers, and
also because it allows meta‐regression and produces bubble graphs that are easy
to work with in Word or PowerPoint.

– Peter C. Gøtzsche
Professor, Director, MD, DrMedSci, MSc, Nordic Cochrane Centre, Copenhagen,
Denmark
Comprehensive Meta‐Analysis software is like a magic wand. The simple and clear
interface (like an Excel sheet) will guide you to do complicated meta‐analysis
within only a few clicks. The comprehensive formats included in the software
allow researchers to input the data in various ways. It provides clear outputs
and high‐resolution graphs which can be imported to Microsoft Word. I especially
love the feature that shows you the calculation steps so you can check whether
you’ve run it correctly. It also provides advanced sub‐group analysis, moderator
analysis, meta‐regression, and publication‐bias analysis. This software is a
lifesaver! Meta‐analysis becomes very easy with the help of Comprehensive
Meta‐Analysis. I am sure I will use this software for upcoming meta‐analyses in
the future.

– Jih‐Hsuan Lin (Tammy), Ph.D. Candidate
Media and Information Studies Program, Department of Telecommunication,
Information Studies and Media, Michigan State University, East Lansing, MI
CMA is an incredible software package for the novice and experienced researcher
alike. It offers a sophisticated array of analytical techniques, yet retains the
flexibility to adapt to your specific application. The interface is intuitive
and user‐friendly, and frees the user to focus on the analysis rather than the
software. I use CMA in my graduate biostatistics course and recommend it to all
of my faculty colleagues as well. The software is a joy to use!

– Dr. Michael W. Hubble
Associate Professor, Graduate and Distance Program, Director, Emergency Medical
Care Program, Western Carolina University, Cullowhee, NC
Comprehensive Meta‐Analysis is an indispensable tool for efficient problem
solving in meta‐analyses. Regardless of whether or not you are a statistician,
the software leads you to the world of meta‐analysis quickly. Comprehensive
Meta‐Analysis is extremely easy to use and understand and it is a terrific
product.

– Dr. Takeharu Yamanaka
Cancer Biostatistics Laboratory, National Kyushu Cancer Center, Japan
I have used Comprehensive Meta‐Analysis since I was a student and it has been
the basis for dozens of meta‐analysis publications since then. The strengths of
the software include its intuitive approaches to statistical issues, ease of
use, and clear presentation of the data. Journals appreciate that important
changes in figures can be made rapidly and clearly. This has also been an
excellent tool for teaching students and colleagues about conducting
meta‐analysis ‐ students enjoy the clarity of presentation and ease of use. With
all the ease of use, it is important to note that the software allows a variety
of statistical approaches that may be difficult to implement in other software,
from choices of metaregression effects to presentations of heterogeneity. For my
group, this software is indispensable.

– Edward Mills PhD, MSc
LLM Canada, Research Chair, Faculty of Health Sciences, University of Ottawa
I absolutely loved this program. Without it, I don't know how I would have
gotten this series of metaanalyses done, let alone published (see attached).
Very easy to use, many great features, and lots of support from you all (i.e.,
the emails about updates, training opportunities, etc.).

– Robert A. Schug, Ph.D.
Assistant Professor of Criminal Justice and Forensic Psychology, Department of
Criminal Justice, California State University, Long Beach
The combination of CMA software and Introduction to Meta‐Analysis text has
proven extremely valuable in our work with medical faculty. The software is both
easy to use and versatile in the various types of data that can be analyzed. The
text covers the material from the ground up with useful information for both the
newcomer and the experienced analyst.

– Jason Brinkley, Ph.D.
Department of Biostatistics, East Carolina University
The meta‐analysis program is easy to use and provides me with information that
would be hard to get by any other means. I analyze a lot of data and, believe it
or not, use the meta‐analysis program every day. I am not a statistician, but
the results I produce have routinely been verified by statistical consultants
costing large amounts for their confirmatory analyses. Without verification, I
have used the results to make important decisions regarding a potential billion
dollar a year product. At night I wonder, “What would I have done without this
great program.”

– Louis Fabre MD, PhD
Chairman, Fabre‐Kramer Pharmaceuticals Inc.
I have been using Comprehensive Meta‐Analysis for more than three years and have
finished a dozen meta‐analyses with this software. The biggest advantage is that
it’s easy to perform and manage the analysis. Studies can be added or removed
from the analysis without modifying the data. There are a variety of effect‐size
measures, including treatment difference, odds ratios, rate differences,
correlations, etc. The diagnosis and transformation of the effect size is just
one click away. The highquality forest plot and comprehensive meta‐regression
distinguished this software from others.

– Rong Zhou, PhD
Senior Biostatistician, Medpace, Cincinnati, Ohio
We have used "Comprehensive Meta‐Analysis" for several large pediatric
orthopaedic projects that have ranged in size from hundreds of patients to
thousands of patients, and we have been nothing but pleased with the forest
plots and other summary data.

– Charles T Mehlman
Professor of Pediatrics and Pediatric Orthopaedic Surgery, Division of Pediatric
Orthopaedic Surgery, Cincinnati Children's Hospital Medical Center
I have used Comprehensive Meta‐Analysis software within a course on research
methods for doctoral students in nursing. With only a 90‐minute introduction,
students were ready to begin data entry and to conduct basic analyses. Both they
and I were pleased with its intuitive interface and with the clarity of its
output. Additionally, Biostat, Inc. has provided excellent support in our
efforts to employ the software in a classroom setting.

– Stephen J. Walsh, Sc.D.
Associate Professor School of Nursing, University of Connecticut
I was interested in learning how to do a systematic review and meta‐analysis.
I've done several courses but couldn't evolve to a complete analysis due to the
limitations of available software. Then I became aware of "Comprehensive
Meta‐Analysis". The program is very intuitive and the book "Introduction to
Meta‐Analysis" is the most objective I've ever read in this topic. I have
recommended to those interested in starting training in systematic review to
begin by this book and software.

– Ricardo Botelho, MD, Ph.D.
Post‐graduate course ‐ IAMSPE, São Paulo, Brazil
Have had a great experience with CMA. Not only an intuitively simple‐to‐use, yet
powerful, research tool, but also a great way to teach and introduce students to
meta‐analysis.

– Charles DiMaggio, PhD
Associate Clinical Professor, Columbia University, Departments of Anesthesiology
and Epidemiology, New York, NY
Comprehensive Meta‐Analysis is a fantastic program that allows you to perform
advanced meta‐analytic techniques with minimal effort. The graphics editor is
especially versatile and allows you to produce high‐quality graphs with ease.
Thankfully it doesn't require the complicated codes often necessitated by some
statistical programs. On top of that I have found their customer service prompt
and helpful and overall I'm very pleased to have purchased the software.

– Dr. Richard Mc Gee

The Comprehensive Meta‐Analysis program greatly facilitates conducting
quantitative research syntheses. Its graphical capabilities are unmatched and
make impressive visual displays of cumulative research findings easy to create.
It is user friendly, and its algorithms are well validated in the methodological
literature. I recommend it highly.

– Steven P. Brown
Bauer Professor of Marketing, C.T. Bauer College of Business, University of
Houston
One of the hardest things for non‐statisticians conducting meta‐analyses is to
figure out how to combine data when the data are in different forms. Using
continuous outcome as an example, one study might report before‐and‐after
scores, and another might report change scores. Comprehensive Meta‐Analysis
allows one to take data in any form and seamlessly converts it so that all the
data can be included, or tells the meta‐analyst what additional information is
necessary to complete the process. This one aspect of the program can save hours
of time for non‐statisticians who are not used to converting data from one
format to another.

– Ian Shrier
McGill University, Canada
I have really enjoyed using the CMA software. Comprehensive Meta‐Analysis makes
performing a metaanalysis incredibly straightforward. There are numerous options
for data analysis and presentation of results. The software was easy to learn,
the tutorials were truly useful, and the staff at CMA were always helpful. My
meta‐analysis using your software has recently been published – Calcif Tissue
Int. 2010 Sep;87(3):193‐202. Epub 2010 Jun 15.

– Dr. Emily Dodwell, MD, FRCSC
Clinical Fellow, Orthopedic Surgery, Hospital for Sick Children, Toronto
I first encountered Comprehensive Meta‐Analysis in an online course in the
basics of the statistical technique. The software was intuitive and easy to
learn, and it has features that go well beyond the basics. The ability to handle
multiple types of data and the comprehensive set of analyses available should
satisfy even the most demanding research requirements.

– Scott Segal, MD, MHCM

Comprehensive Meta‐Analysis program is relatively easy to use even for the
statistic‐phobes. Directions are easy to follow and guide you through the set‐up
of your data. The program makes a seemingly complex process fairly
straightforward.

– E. Carol Polifroni, EdD, CNE, NEA‐BC, RN
Associate Professor, University of Connecticut School of Nursing
It is a pleasure to recommend Comprehensive Meta‐Analysis. It is dependable,
educational and easy to use software that we use often for research and
teaching. Using Comprehensive Meta‐Analysis is very helpful in my research.
Moreover, I have become aware of several new procedures and caveats. Using the
software is a beautiful way to understand and build skills and a great teaching
tool. It should be used by any epidemiologist who is interested in
meta‐analysis.

– Shai Linn, MD, DrPH
Dean of the Faculty of Welfare and Health Sciences, University of Haifa
I've been using Comprehensive Meta‐Analysis (CMA) for about five years now and
have found it to be the most user‐friendly program for conducting meta‐analyses.
CMA allows researchers to conduct meta‐analyses on a wide array of data sets.
Further, CMA includes an array of some of the most sophisticated publication
bias analyses, allowing researchers to examine an issue that is too often
overlooked in meta‐analysis. I would highly recommend CMA to any researcher
conducting metaanalyses.

– Christopher J Ferguson
Associate Professor Department of Behavioral Sciences, Texas A&M International
University
I have the pleasure to use your software from 2004, and thanks to that, my group
had the opportunity to explore many issues in clinical oncology. I am a doctor
(not a statistician) and I have to say that the software is really simple
(especially v. 2.0), fast‐to‐use, and really easy to understand for anyone who
wants to use it. We currently prefer CMA 2.0 to other free software given the
mentioned features. Actually, I have no drawbacks to stress, I am really
friendly in using your software right now.

– Emilio Bria

Given that publications report a wide range of values from analyses (e.g., means
and standard deviations, r, F, t values, eta squared, partial eta squared,
etc.), it can be extremely difficult to compute effect sizes that take each of
these factors into consideration. This can make the process of a metaanalysis
more time consuming that it necessarily has to be. I found one useful and
time‐saving aspect of Comprehensive Meta‐Analysis is that it allowed me to enter
effect size data from articles in a number of formats. Upon running the
analysis, the programme would compute standardised effect sizes for each study
(even though I might have used around 10 different types of data entry), as well
as an overall effect size. Furthermore, even though I had over 50 moderators to
assess, CMA made it simple to test each moderator, whilst offering the option to
test moderators according to other specific study characteristics. This meant I
could delve deeper into my data to see what was really going on. For these more
sophisticated methods, the programme also reports the information required to
compute additional statistics, such as tau squared within and between studies
(enabling me to compute the R squared statistic), which are not provided by some
other programmes but are commonly reported in published meta‐analyses.

– Natalie Taylor, PhD
Researcher, Health and Social Psychology Group, Institute of Psychological
Sciences, University of Leeds, Leeds
I have used Comprehensive Meta‐Analysis for the past six years in my research
activities. It has become a part of my research life. I use it for literature
review, to compare and contrast differences in findings, and to search for
insight in empirical studies. Comprehensive Meta‐Analysis helps me enhance my
research productivity, efficiency, and quality.

– Cody Ding
University of Missouri‐St. Louis
Comprehensive Meta‐Analysis (CMA) is a must‐have tool for academic instructors,
researchers, and statisticians alike. Developed by a strong team of highly
recognized experts in the field, CMA meets all of your meta‐analysis needs and
is easy to teach and easy to use. I would not attempt to ever conduct another
meta‐analysis without using the CMA program, for the difference is between
heaven and earth!

– Guili Zhang, Ph.D.
Asst. Professor of Research Methodology, Department of Curriculum and
Instruction Editor, Journal of Curriculum and Instruction, Chair, American
Educational Research Association Quantitative Dissertation Award Committee
Project Director, IGERT Assessment Project, East Carolina University,
Greenville, NC
As a behavioral scientist who is newly developing expertise in using
meta‐analysis, I have found CMA to be an invaluable tool. It is user‐friendly,
but avoids superficiality and provides me with all the necessary technical depth
I need. I have found CMA to be an outstanding program.

– James MacKillop

CMA has been a huge asset in my research on motivation and self‐regulation. I
have used this software to conduct multiple meta‐analyses, each requiring
different and multiple formats of effect size. CMA surpassed my needs and
expectations every time. The software is really "comprehensive" yet
exceptionally user‐friendly. Fellows and students have learned to use it in just
one sitting. I highly recommend CMA to any researcher wishing to conduct
meta‐analysis in a highly effective and efficient manner.

– Patrick Gaudreau, Ph.D.
Professeur agrégé/Associate Professor Université d'Ottawa/University of Ottawa
École de Psychologie/School of Psychology Ottawa, ON, Canada
I am an advanced graduate student in clinical psychology, and CMA software was
integrated into a meta‐analysis course I recently took. I feel very fortunate to
have been trained in meta‐analyses at a time when we have this software because
CMA is easy and, I dare say, fun to use. Rather than spending countless hours
computing my own effect sizes and creating syntax, the program did it for me,
which allowed me to spend my time really looking at the data, both graphically
and numerically. I bought CMA for myself and would recommend it to anyone
looking to learn the art of meta‐analysis.

– Rachel Hershenberg

I am impressed with the ease or simplicity of the Comprehensive Meta‐Analysis,
not only in data entry but also the data generated. Unlike some of the free
software available for meta‐analysis, I found the Comprehensive Meta‐Analysis
user‐friendly, generating clear graphs and effect sizes. I took a long time to
work out some of the free software available by some of my colleagues and found
them very userunfriendly, confusing, and the graphs generated not easy on the
eye. After chancing on Comprehensive Meta‐Analysis during a Google search and
having a go at it during the free trial, I was keen to get my hands on it and
have recommended it to some of colleagues. It is definitely worth getting it as
it makes meta‐analysis non‐daunting and non‐scary especially for students
pursuing their Masters or PhDs.

– Li Whye Cindy, NG

CMA has been the vehicle to get me started with my PhD! A meta‐analysis is the
optimal starting point, as it allows you to clearly see the state‐of‐the‐art in
your field and pose new questions. CMA, with its self‐explanatory, user‐friendly
platform is the kind of software you would hope to be using for your
meta‐analyses! Now my students are starting off their journeys in research by
performing a metaanalysis using CMA!

– Dr. Papadatou‐Pastou Marietta
Lecturer, University of Athens
Comprehensive Meta‐Analysis (CMA) is one of those rare tools in the research
arsenal that does what it is purports to and makes both the process and output
understandable. I have used CMA for seven years in my own meta‐analytic work and
in EBP workshops and courses. The ease of learning the program application and
the resulting output make for a wonderful data analysis and learning tool.

– Chad Nye, PhD
Executive Director, University of Central Florida, Center for Autism & Related
Disabilities, Orlando, FL
Comprehensive Meta‐Analysis is a fabulous program for research synthesis,
combining ease of use with advanced features not available in standard
statistical packages or competing stand‐alone products. The program is ideal for
independent analysis or reanalyzing data from another published review
(including Cochrane reviews) to explore subgroups, moderator variables, and
clinically relevant measures of effect size. Forest and funnel plots can be
easily created and customized for publicationquality graphics. As editor in
chief of Otolaryngology – Head and Neck Surgery, I find the program
indispensable for preparing a quarterly installment, The Cochrane Corner, which
highlights a relevant Cochrane review and provides expert commentary to aid
clinicians in applying and understanding the results. I strongly recommend this
program to novice and experienced meta‐analysts alike.

– Richard M. Rosenfeld, MD, MPH
Professor and Chairman of Otolaryngology, SUNY Downstate Medical Center,
Brooklyn, NY, Journal Editor and Chair, Guideline Development Task Force,
American Academy of Otolaryngology – Head and Neck Surgery
The program in Comparative Effectiveness and Outcomes Research at Duke
University conducts multiple systematic reviews and meta‐analyses each year for
professional organizations as well as under both federal and industry sponsored
research initiatives. While we use various programs tailored for specific
individual projects including those developed in‐house, we have found
Comprehensive Meta‐Analysis (CMA) to be a very facile, adaptable and yet
comprehensive package meeting the needs for much of our research and generating
publication‐quality graphics. My confidence in the analytic algorithms is buoyed
by my knowledge of several of the developers of CMA and based on extensive
comparison of results with other algorithms including our own. CMA is also an
exceptional educational tool and universally embraced by trainees and young
investigators initiating careers in evidence‐based medicine and statistical
analysis.

– Gary H Lyman, MD, MPH, FRCP (Edin)
Professor of Medicine and Director, Comparative Effectiveness and Outcomes
Research, Duke University School of Medicine, and the Duke Comprehensive Cancer
Center, Senior Fellow, Duke Center for Clinical Health Policy Research, Durham,
NC
Comprehensive Meta‐Analysis is a gem. Students are able to return to our
computer lab to complete a meta‐analysis assignment independently after an
initial faculty demonstration session. The software facilitates application of
complex concepts with real data, helping students see the power of the
metaanalysis process.

– Regina M. Cusson, PhD, NNP‐BC, APRN, FAAN
Professor & Associate Dean, Academic Affairs & Advanced Practice, University of
Connecticut, School of Nursing
I recently taught an introduction to meta‐analysis course to graduate students
from diverse disciplines including ecology, kinesiology, economics, forestry,
veterinary medicine, family studies, and plant pathology. I planned to use
another meta‐analysis software package, but learned about CMA one week before
the first day of class. Given the variety of options available in CMA, I thought
that CMA might be a better fit for my class. In one week, Michael Borenstein
sent me the necessary supplementary materials to prepare me for including CMA in
the course. CMA is very intuitive and easily accessible for broad meta‐analytic
applications. Any questions about CMA were quickly and thoroughly answered.
Moreover, the supporting textbook associated with CMA is a must have resource
for anyone interested in meta‐analysis as it easily explains complicated
analytical concepts. In short, CMA is a great software package for
meta‐analysis. I will use CMA again the next time I teach my introduction to
metaanalysis course.

– Alan Wilson
Assistant Professor, Auburn University, Fisheries and Allied Aquacultures
I have used Comprehensive Meta‐analysis as the primary course software for a
doctoral‐level course on systematic review and meta‐analysis methods which I
have taught at Columbia University. The software, documentation, and tutorial
materials have made the teaching and learning of meta‐analysis methods
stimulating, efficient, and enjoyable. While the methods of meta‐analysis can be
daunting to students, this program and supporting materials provide clear
guidance and hands‐on experience which greatly enrich the learning process.
Based on my experience I think that Comprehensive Meta‐analysis should be
required in any course dealing with the subject.

– Edward J Mullen
Willma & Albert Musher Professor, Columbia University
In our one‐week meta‐analysis course in Utrecht, The Netherlands, we used three
different software programs, and CMA was most popular, especially for those
student who had to do a lot of calculations since CMA did it all for them.

– Maroeska Rovers
Associate professor in clinical epidemiology, Julius Center of Health Sciences
and Primary Care, University Medical Center, Utrecht, The Netherlands
Being the lecturer for the course on meta‐analysis for the JSSS in Cambridge
[the Social Science Research Methods Course programme, a shared platform for
providing research students with a broad range of quantitative and qualitative
research methods skills that are relevant across the social sciences], I am
really forward looking forward to familiarising students with the programme. I
found CMA unbelievably flexible‐‐and it wouldn't take students long to
familiarise with it given how user‐friendly the programme is.

– Dr. Maria M. Ttofi
Leverhulme and Newton Trust Fellow, Post‐doctoral Researcher, Institute of
Criminology, University of Cambridge Research Fellow, Wolfson College
CMA 2.0 is perhaps the most user‐friendly statistical software I have used to
date. It makes the complicated process of conducting a meta‐analysis much
easier. It can be used from start to finish ‐ from direct data entry to
publication‐quality graphics. I highly recommend this program!

– Nathan Thoma, M.A.
Psychology Intern, Payne Whitney Clinic, Weill Cornell Medical Center, New York
‐ Presbyterian Hospital
I found the Comprehensive Meta‐Analysis software program to be extremely user
friendly, providing instant computational data from the simplest to the most
complex statistical problems, a versatile database to help organize and
restructure large volumes of multifaceted data, and parallel visuals that help
better understand your data. I also found the support staff very helpful in
providing responses to both my technical questions about the program itself as
well as helpful addressing more general theoretical questions about
meta‐analyses. I would highly recommend this program to a novice or more
seasoned researcher interested in conducting meta‐analytic statistics.

– Talin Babikian, PhD, MPH
UCLA
Comprehensive Meta‐Analysis Version 2 is really an easy‐to‐use software. It
offers you a broad range of statistical, analytical and graphic capabilities to
ensure valid meta‐analysis. It is accompanied by a selfexplanatory manual and
tutorial. For anyone considering a faster and complete performance of
metaanalysis, this software would be a clear first choice. In addition, the book
and the online course “Introduction to Meta‐analysis” have been ideal resources
in my case, for a complete understanding of this approach. Both strongly
recommendable…!!!.

– Dr. Miguel Santibáñez Margüello, M.D., PhD
Researching Support Unit, IFIMAV – Fundación Marques de Valdecilla, Cantabria
University, Nurse School, Santander Spain
CMA is a formidable tool for conducting sophisticated meta‐analyses in the
domain of cognitive and behavioral sciences. As an early adapter of CMA I am
still amazed about its flexibility in data storing, data processing, and its
many options for validity checks of meta‐analytic outcomes such as trim‐and‐fill
and other state‐of‐the‐art ways to test the influence of unpublished papers. The
flexibility of CMA to exchange data with Excel, SPSS, and other statistical
software is a major asset. I also taught courses on meta‐analysis with the
student version of CMA available for the graduate students, and it has been a
real success as CMA makes meta‐analysis transparent as well as motivating for
students with a basic training in statistics.

– Marinus H. van IJzendoorn
Centre for Child and Family Studies, Rommert Casimir Institute of Developmental
Psychopathology, Institute of Education and Child Studies, Leiden University,
The Netherlands
Thank you for developing Comprehensive Meta‐Analysis. It is by far the best tool
available for today’s meta‐analytic researcher. It provides flexibility for all
possible types of data, it produces great colorful graphical displays, and the
product support is unmatched! I have used a number of different programs for
conducting meta‐analytic research over the last ten years, and CMA is the only
product I recommend to my students and colleagues.

– Karen Larwin, Ph.D.
Educational Foundations, Research Technology and Leadership, Beeghly College of
Education, Youngstown State University, Youngstown, OH
Our group has recently begun to conduct meta‐analyses within our area of
research, i.e. psychooncology and health psychology, and we have found CMA
extremely useful. CMA distinguishes itself from other available meta‐analysis
software by the various options to explore and adjust for possible publication
bias, as well as by providing several options to explore possible moderators,
not only categorical but also continuous. We encourage our PhD students to
conduct quantitative systematic reviews as a part of their dissertation whenever
possible. The clear menu‐driven approach of CMA makes it easy to use for
beginners, so that they can focus their energy on the analytical aspects of
metaanalysis, rather than on the technical issues of using the software.

– Bobby (Robert) Zachariae
Professor, dr.med., Psycho‐oncology Research Unit, Aarhus University Hospital,
Denmark
Comprehensive Meta‐Analysis is, literally speaking, the most comprehensive and
user friendly metaanalysis “package” program. It excellently accommodates both
advanced and beginning users’ needs at the same time and different levels of
needs over time. Among numerous laudable features, this package program provides
the most comprehensive and advanced solution for testing publication bias. Using
Excel‐like interfaces, moderator analyses are very easy to do! It would be a
great loss for any competent researcher and practitioner to overlook this
impressive package program.

– In‐Sue Oh, PhD
Department of Management, Virginia Commonwealth University
Comprehensive Meta‐Analysis has been the perfect tool for all of my
meta‐analysis needs. From calculating effect sizes to examining moderator
effects to testing publication bias to building visually appealing forest plots,
this program has it all. Its simplicity and straightforward design makes it easy
to use for those just learning this data analysis technique. Additionally, with
all that is included, this program is also great for those wishing to run more
sophisticated analyses.

– Joshua Swift, PhD
University of Alaska, Anchorage
While I was looking for a computer program for meta‐analysis, I did a thorough
search and compared all available programs I located. I decided to use CMA
because of its versatility and authoritativeness. It allows me to code data of
various formats and conduct all kinds of analysis – Q tests, meta‐regression,
sensitivity analysis, etc. It also provides results associated with both the
fixed‐effects and randomeffects models. Furthermore, the program is developed by
a team of leading scholars in meta‐analysis. I feel lucky to be able to find a
program through which I can draw on the expertise of so many outstanding
experts.

– Shaofeng Li, Ph.D.
Candidate in Second Language Studies, Michigan State University, East Lansing,
MI
(1) Working with your staff and the software itself made computer installation
and start up incredibly easy. (2) Instructing my students (seniors in a capstone
research intensive course) on how to use the software was also remarkably easy.
They did far more with the software than I had expected and made some elegant
looking figures for their senior presentations. (3) Meta‐analysis was a new
technique for our whole department (PUI institution), and the oral presentations
by my students using the CMA software and graphics impressed faculty immensely.

– Susan B. Chaplin
Department of Biology, University of St. Thomas, St. Paul, MN
Comprehensive Meta‐Analysis is, in my view, the best meta‐analysis software on
the market and a "must have" for any meta‐analyst. Before I used this software,
I was convinced that specialized metaanalysis software was not necessary at all.
At that time, I used my own Excel spreadsheets and SPSS to run meta‐analysis. In
fact, I only tried CMA because I needed a way to make forest plots. Once I tried
it, however, I was sold. I could not believe how user friendly it was and how
much it could do. Suddenly not only was meta‐analysis more efficient, but, more
importantly, I could run all types of analyses that previously were not
available with the software I had been using. I have since used the program to
conduct and publish several meta‐analyses. Given how great the program is, I
require it when I teach my graduate meta‐analysis seminar. Students always seem
surprised when they see how easy it is to use, as this is certainly not the norm
in statistical software. Thus, our graduate students seem to greatly value CMA
as a key resource for conducting meta‐analysis.

– Seth M. Noar, Ph.D.
Professor, Hussman School of Journalism and Media, University of North Carolina
at Chapel Hill
Seeing that I can do with Comprehensive Meta‐analysis in 1 week what have taken
me 3 weeks when I was using Excel spreadsheets for calculations I have the
following: "Comprehensive Meta‐Analysis has increased my effectivity to do
meta‐analysis with 200 %". I am extremely satisfied with this program.

– J. Sales, Ph.D. (Agric.), Ph.D. (Fish. Sci.)
Department of Nutrition and Feeding of Farm Animals, Institute of Animal
Science, Prague, Czech Republic
I have used Comprehensive Meta‐Analysis II for the last 6 years to assist with a
number of published meta‐analytic studies in the behavioral sciences. I have
found the program to be flexible and powerful. I have also used CMA II in two
graduate seminars focused on meta‐analysis. The students are able to learn the
program quickly and appreciate how it structures their data sets and prevents
some common mistakes made in meta‐analysis.

– Alan J. Hawkins, Ph.D.
Professor of Family Life, Brigham Young University, Provo, UT
The distinguishing feature of the Comprehensive Meta‐Analysis Software Programme
from the other Meta‐Analysis Software Programmes is to be most practical and to
be understandable easily. While using the programme the only thing should be
done is to enter the necessary data into the data sheet and to click on the
relevant buttons. That's all. No need to calculate the statistical formulas by
hand to reach the effect sizes, anymore. I would like to send my special thanks
to you and your team from Ankara University, Ankara‐Turkey, Sevgi Guney, MSc in
ClinPsych, MAPS

– Sevgi Guney
Clinical Psychologist, Ankara University
Comprehensive Meta‐Analysis is a state‐of‐the art, versatile, and user‐friendly
program that has met all my research needs for conducting meta‐analyses. The
supporting documentation is first rate and the support staff are extremely
helpful. I highly recommend this program for anyone engaged in metaanalytic
investigations.

– Steven Taylor, PhD
Professor, Department of Psychiatry, University of British Columbia
Comprehensive Meta‐Analysis is easy to learn and use, with a clear and friendly
interface. The software provides a detailed display of meta‐analytic results
plus a wonderful format for presentation of results. It is my favorite software
for meta‐analysis of study‐level data.

– Joe Cappelleri
Pfizer, Inc.
Comprehensive Meta‐Analysis (CMA) is an excellent statistical software program.
CMA is very userfriendly, provides essential elements of analyses required for
synthesis of quantitative studies, evaluates publication bias statistically and
graphically, and offers technical support. I have used CMA for a recent study I
conducted with my professor at the University of Maryland, The reliability and
validity of the Anticipated Turnover Scale across studies of RNs in the US (in
press). I highly recommend the Comprehensive Meta‐Analysis software program for
anyone conducting meta‐analytic research.

– Kathy Barlow RN, MS
Doctoral student, University of Maryland School of Nursing, Baltimore, Maryland
I have conducted several meta‐analyses over the past several years, and
Comprehensive Meta‐Analysis has been the main software I have relied on. It is
"user friendly" and it provides a wide range of options to fit the different
types of effect size information found in different types of studies. Most
importantly, I know I can rely on the statistical formulas at the foundation of
the software, due to the top‐notch development team for CMA.

– Frank Pearson

I'm a graduate student at NC State University, and recently I tried out CMA for
my lab. For the record, it is awesome. My lab, Meta World, is specifically
focused on meta‐analysis, so we've used a lot of programs both good and bad. CMA
is by far the best we've tried in terms of ease of use. It is simple enough for
a first time meta‐analyst to use, but the best part is the diversity of options
for the more advanced user. It is amazingly easy to switch effects models and
other aspects, to the point that it's fun to fiddle around with things to see
the difference they make. The options for output are everything you'd need for
publication, and they look a good sight better than what I would have come up
with without CMA. It is the only software that had all the functionality I
needed for my thesis, and without it I would be stuck writing my own code.

– Jennifer London
Doctoral Student in I/O Psychology, NC State University
As a first‐year graduate student with minimal knowledge of meta‐analysis at the
time, I found Comprehensive Meta‐Analysis to be an incredibly user‐friendly
program. I began using Comprehensive Meta‐Analysis while reading Lipsey &
Wilson's (2001) Practical Meta‐Analysis and found it easy to transition from the
conceptual and practical issues discussed in their text to the procedures
available in your program. My mentor and I continue to use your program as we
prepare my Master's thesis for publication, and our use of this software has
undoubtedly facilitated our progress. Best of luck with the future development
of Comprehensive Meta‐Analysis and with your ongoing scholarship.

– Jonathan Shaffer, PhD
Postdoctoral Fellow, Center for Behavioral Cardiovascular Health, Columbia
University Medical Center
I used Comprehensive Meta‐Analysis (CMA) to help me analyze research questions
of my dissertation. Without CMA, I won't be able to complete 'two folders' of
analysis on time. I would also like to thank the team of CMA to help me make
clear problems I encountered. My dissertation earned the annual dissertation
award of my school. I would like to share this honor with the CMA and Dr.
Borenstein, a humorous and sincere scholar.

– Yueh‐Yen Fang, Ph.D., RN
Assistant Professor, Fooyin University, Taiwan
'Comprehensive Meta‐Analysis' lives up to its name by offering a range of
options for analysis, at the same time doing so through a very user‐friendly
interface. It has been invaluable to have a software option such as this during
the course of my dissertation, and I am sure I will come back to CMA for future
research also.

– Deepa Pillai
Doctoral Candidate, Dept. of Marketing, College of Business, Southern Illinois
University, Carbondale IL
The program is a perfect companion to Borenstein et al's book since it allowed
my students to try the concepts discussed in the book. We have done most of the
computations by hand first and then checked our answers with CMA. This gave the
students 'a feel' for meta‐analysis and made them realise that the method is not
just about feeding some abstract numbers into a black box and getting a
meaningless number at the end. Instead, using the book and the program together
the students learned the maths behind the computations and the meaning of the
final results. I found the help manual especially user‐friendly and ready for
classroom use. My students were able to get most of the exercises done at home
such that we had the time to discuss the answers and their implications in
class.

– Dr. Karina De Santis (PhD)
Lecturer in Statistics and Research Methods, Jacobs University, Bremen gGmbH
School of Humanities and Social Sciences, Bremen, Germany
We have used a number of meta‐analytic packages in our research and teaching,
but have found the use of Comprehensive Meta‐Analysis as the only complete
meta‐analysis software that meets not only the needs of our researchers but also
the needs of the classroom.

– Dr. R. L. Brown
Professor of Research Methodology, Director of Research Design and Statistics
Unit, Schools of Nursing, Medicine and Public Health, University of
Wisconsin‐Madison, Madison, WI
My colleagues and I thought that the software is really easy to use. My students
were also very satisfied. The task of calculating effect sizes was easy to
understand, even for people without advanced knowledge in statistics. The
program has numerous options for data entry, calculation of effect sizes, and
tests for heterogeneity and publication bias, and facilitates the presentation
to a comprehensive meta‐analytic project. Technical and other support from the
company was available immediately.

– Maria Katapodi
Michigan, USA
Comprehensive meta‐analysis is so easy to use that a clinician feels absolutely
comfortable with it. You only need to have the results from individual studies
and follow instructions: you will have calculations and graphs in a way that you
can easily interpret. With this software meta‐analysis is not arcane any more:
if you can read papers based on this statistical technique you will be able to
write them as well.

– Prof. Luis Garcia‐Marcos
Professor of Pediatrics, University of Murcia, Spain
“Comprehensive Meta‐Analysis” represents state‐of‐the art software for
conducting meta‐analysis and I highly recommend it to individuals of all stripes
seeking to conduct quantitative reviews of the research literature. Its template
for data input and its various options for producing outputs and tables make it
one‐stop software for research reports. I cannot say enough about CMA and its
functionality.

– Thomas Hugh Feeley
University at Buffalo
I was an early adopter of CMA version 2 and have used it extensively in the last
few years. CMA is easy to use, has a great diversity of computational options,
is very reliable and is now well known by journal editors. I have no hesitation
in recommending CMA to fellow academics.

– Dr. Matthew Large
School of Psychiatry, University of New South Wales, Australia
I've been using different versions of the comprehensive meta‐analysis software
over many years for my research. Each version improved significantly, added new
and important features, and made the visual outcomes easier to comprehend and
present. One such improvement, for example, was the addition of moderater
analysis for both categorical and continuous variables. It provides an easily
understood menu that guides the user toward a correct statistical analysis. I
also find the manual very useful and supportive, recommend it to my graduate
students to use it for self‐teaching learning.

– Nurcan Ensari, Ph.D.
Associate Professor, Marshall Goldsmith School of Management, Alliant
International University, Los Angeles
We had no knowledge on meta‐analyses and were somewhat confused by the number of
programs available. Most of them were not easy to use, not insightful and
required a priori knowledge of metaanalyses statistics. There was one exception:
Comprehensive Meta‐analysis. We downloaded the software and went through the
easy‐to‐use tutorial. Within an hour we were performing our own metaanalysis!
Our analysis was verified by our statistical department with excellent results,
giving us further confidence to continue our analysis and resulting in an
excellent paper in the top journal on pain research: Niesters et al., Do Sex
Differences Exist in Opioid Analgesia? A Systematic Review and Meta‐ Analysis of
Human Experimental and Clinical Studies. Pain, 2010, in press,
doi:10.1016/j.pain.2010.06.012.

– Albert Dahan, MD, PhD & Marieke Niesters, MD, MSc
Department of Anesthesiology, Leiden University Medical Center, Leiden, The
Netherlands
The CMA program has been invaluable to us and greatly sped up the generation of
a number of metaanalyses that we have conducted. It is actually user‐friendly (a
compliment I rarely make!), has all the needed key features and is a pleasure to
use. Not only that, Dr. Borentein was very helpful and responsive when we needed
help. Thank you!

– Wolfgang Linden
Professor in Clinical psychology, University of British Columbia
I recently used Comprehensive Meta‐Analysis on a large and complex data set
involving several different outcome variables, several different research
designs, and hundreds of effect sizes. I found the program easy to use and very
powerful. Moderator analyses were easy to conduct, as were examinations of
potential publication/selection biases. The user interface is intuitive and easy
to navigate. It is a wonderful tool!

– Craig A. Anderson
Distinguished Professor Director, Center for the Study of Violence Department of
Psychology, Iowa State University, Ames, IA
Comprehensive Meta‐Analysis is easy to learn and use, but offers a surprising
range of cutting‐edge analytic procedures. It helped to make my recent
experience with meta‐analysis more efficient and enjoyable!

– James F. Paulson, Ph.D.
Associate Professor & Clinical Psychologist Department of Pediatrics, Eastern
Virginia Medical School, Children's Hospital of The King's Daughters, Norfolk,
VA
I have used CMA over the past four years on several pediatric orthopaedic
projects leading to multiple publications. I have found that CMA has several
valuable functions that RevMan does not offer. Additionally, I have found the
staff and tech support to be very helpful. Thanks for a great product.

– Guy Klein, DO
Department of Orthopedic Surgery, University Hospitals, Richmond Heights,
Willoughby, OH
As an NIH funded meta‐analytic researcher, I can honestly say that Comprehensive
Meta‐Analysis is currently the most comprehensive stand‐alone software package
for conducting high‐quality metaanalyses. I especially like its ease of use,
including, but not limited to, the ability to calculate effect sizes from a
large array of reported statistics as well as the ability to easily combine
results from multiple groups in the same study into one common effect size. In
my opinion, this is a “must” purchase for any serious meta‐analyst.

– George A. Kelley, DA, FACSM
Professor & Director, Meta‐Analytic Research Group, School of Medicine.
Department of Community Medicine, West Virginia University, Morgantown, WV
Comprehensive meta‐analysis (CMA) is essential software for the meta‐analyst.
Complex analyses can be conducted easily using this intuitive software. The
support staff are always helpful and respond quickly when questions arise. I
highly recommend CMA.

– Erika A. Patall
Department of Educational Psychology, The University of Texas at Austin, Austin,
TX
I have been using Comprehensive Meta‐Analysis for more than 3 years and have
finished a dozen metaanalysis with this software. The biggest advantage is easy
to perform and manage the analysis. Studies can be added or removed from the
analysis without modifying the data. There are a variety of effect size
measures, including treatment difference, odds ratios, rate differences,
correlations, etc. The diagnosis and transformation of the effect size is just
one click away. The high‐quality forest plot and comprehensive meta‐regression
distinguished this software from others.

– Rong Zhou, PhD
Senior Biostatistician, Medpace. Cincinnati, Ohio
I can confirm that comprehensive meta‐analysis is a very valuable tool for
analyzing data. In one of my most important publications the use of forest plots
constructed with Comprehensive Meta‐analysis has contributed to the success of
this article. As a clinician my statistical background is not as strong as I
would like it to be. However, using CMA is very straightforward and I was able
to astonish my epidemiologist co‐author. I can recommend Comprehensive
Meta‐Analysis to any clinical researcher.

– Harm J T Rutten, MD, PhD, FRCS (London)
Head, Department Surgical Oncology, Catharina Hospital, Eindhoven, The
Netherlands
Since I bought Comprehensive Meta‐Analysis Version 2 about three years ago, it
has become a faithful companion that is very easy to use, can be intuitively
understood and offers all the options necessary for my meta‐analyses.

– Stefan Leucht, MD
Assistant Professor of Psychiatry, Technische, Universit Mnchen, Department of
Psychiatry and Psychotherapy, Munich Germany
I’ve been using Comprehensive meta‐analysis for some time now and I find it a
very user‐friendly and indeed comprehensive software when compared to other
software. Some meta analysis functions are present in the latest version of NCSS
(Number Cruncher Statistical System), but much less, as this is a more general
statistical package; specific meta analysis software like Revman and MIX are
less easy to use. Especially in combination with the online course on meta
analysis of Michael Borenstein, this software can be warmly recommended without
reservation.

– JWG Jacobs
Associate Professor, Houten, Netherlands
Until we purchased CMA, meta‐analysis was a burdensome chore. While nothing will
take the labor out of coding studies, CMA has been a boon to our lab, and we
have done three studies in the past year. It saves many, many hours. It is well
worth the cost and pays rich dividends.

– Everett L. Worthington, Jr.
Professor of Psychology, Virginia Commonwealth University, Richmond, VA
Comprehensive Meta‐Analysis v.2 is the definitive leading software for
computing, presenting and analysing results of meta‐analyses. The programme
provides beginners as well as advanced researchers meta‐analysis opportunities,
unmatched by competing programmes. Computing effect sizes, combining across
various types of outcomes, conducting moderators analyses, and presenting these
rather complex analyses in less than five stages, could not have been more
user‐friendly.

– Barak Ariel
UK
CMA is very easy to use. That’s partly because of the manual and tutorial which
take you through the analysis step by step. It’s also extremely versatile in
terms of the type of input data it will accept (which is really valuable because
with a meta‐analysis you have to take what data you can get). The output is
comprehensive enough to permit you to interpret your effects, not merely report
them.

– Dr. Marie Blackmore
Research Coordinator, The Centre for Cerebral Palsy, Mount Lawley, WA, Australia
Even in its earliest versions, Comprehensive Meta‐Analysis was easy to use. More
importantly, Michael Borenstein and his colleagues were readily available to
assist with the few questions I had about the software. For beginners in
meta‐analysis and for seasoned researchers, I highly recommend this program. You
will not be disappointed.

– Tracey Scherr, PhD
Nationally Certified School Psychologist, Associate Professor of Psychology,
University of Wisconsin‐Whitewater
I am a PhD Candidate and used your software to successfully complete my Master's
thesis. I find the CMA software to be very user‐friendly; it was easy to learn
how to use and has an excellent selection of options for analysis. I also find
the customer support to be very helpful and timely. I would and have recommended
the software to others.

– Amanda Epp, M.Sc.
Doctoral Student, Clinical Psychology, University of Calgary, Depression
Research Lab
I have been using Comprehensive Meta‐Analysis for the past five years and have
enjoyed the many features of this software including the numerous options for
fitting data into the spreadsheet for analysis of categorical and continuous
data and the ease of labeling variables and study names. The built in analysis
features are many and easy to apply including the test for heterogeneity and
Egger’s test for publication bias. This software has allowed me to publish
meta‐analyses with confidence in several peer reviewed journals including the
Journal of Cardiology. Also I am often asked to give lectures on the use of
meta‐analyses. My demonstrations include examples from this program. When asked
by my peers for a reliable meta‐analysis package I do recommend this software.

– Al Bartolucci, Ph.D.
Professor, Department of Biostatistics, School of Public Health, University of
Alabama at Birmingham, Birmingham, Alabama
Comprehensive Meta‐Analysis is easy to use in terms of data entry, flexibility
of variables, options with fixed and random analysis and understanding output. I
recommend it to all my students conducting meta‐analyses because of these
reasons. It is the only software program I use to conduct analysis of studies.

– Guy D. Eslick
Associate Professor, The Whiteley‐Martin Research Centre, Discipline of Surgery,
The University of Sydney
Over the past several months that I have used Comprehensive Meta‐Analysis, I
have found it to be highly user‐friendly and quite versatile in function. I have
incorporated the high resolution plots into my manuscripts and slide
presentations with no difficulty. I would like to thank you and your staff for
the highly professional technical support.

– Nasrollah Ghahramani, MD, MS
Division of Nephrology
Comprehensive Meta‐Analysis is a modest name, a more fitting name would be
deluxe user friendly meta‐analysis. In a short‐time even beginners can be
conducting sophisticated analyses using state of the art methods.

– Prof. Jonathan Rabinowitz
Bar Ilan University, Israel
I have been using CMA as a researcher and I am really impressed by its
user‐friendly applicability and unique, sophisticated features. Developed by a
team of recognized experts in the field, this excellent, powerful program offers
the opportunity even to a beginner to conceive and apply the principles of
meta‐analysis very quickly and accurately. I recommend the software without any
hesitation to my students and colleagues, who are interested to perform any kind
of meta‐analysis.

– Dr. Charalampos Mamoulakis, MD, MSci (Biostat), PhD
FEBU Lecturer of Urology, University of Crete, Medical School Department of
Urology, University Hospital of Heraklion, Crete‐Greece
I have been a satisfied user of Comprehensive Meta‐Analysis software for about
two years. I find the software is easy to use and offers an extensive range of
options for analysis. I like being able to toggle between fixed and random
effects, and seeing the difference(s) between the two. I also find that the
ability to evaluate symmetrical confidence intervals, and have non‐symmetry
flagged, is a major advantage to the software. The automatic generation of
funnel plots, which do not exist as an option in many scientific graphing
packages, is particularly of value when discussing bias.

– David M. O'Sullivan
Hartford Hospital, Hartford, CT USA
Comprehensive meta‐analysis has been an easy to learn and reliable program that
was my primary tool in conducting and publishing two large meta‐analyses in high
impact factor peer reviewed journals.

– Jennifer E. Hettema, Ph.D.
Assistant Professor, University of Virginia, Department of Psychiatry and
Neurobehavioral Sciences, UVA Center for Addiction Research and Education,
Richmond, VA
CMA is a very useful and friendly software that has being used both as an
auxiliary tool for my papers preparation, and as the program elected for the
analysis that I usually do with my students in order to train them in this field
of meta‐analysis. In brief, this is a very well‐conceived statistical analysis
software, useful for trainees in statistical analysis as well as for senior
researchers.

– J. Marques‐Teixeira, MD, PhD
Psychiatrist and Psychotherapist, Aggregate Professor, University of Porto,
Clinical Director of Neurobios ‐ Neurosciences Institute
Comprehensive Meta‐Analysis is a cutting‐edge tool for researchers who are
involved in systematic review and meta‐analysis. It provides methods for
analyzing and presenting data that are easy to use and give clear presentations
of findings. This is just a fantastic tool! Every serious scholar in this area
should have it.

– David Weisburd, Ph.D.
Walter E Meyer Professor of Law and Criminal Justice, Director, Institute of
Criminology, Faculty of Law, Hebrew University of Jerusalem, Jerusalem, Israel
My experience with Comprehensive Meta‐analysis is highly positive. The
spreadsheet interfaces for data entry are very intuitive. They handle an
astonishing wide array of indices and formats for effect sizes, including the
possibility of entering them in the spreadsheet by copy‐and‐paste. The
exploratory phase is easily performed thanks to a variety of facilities, as
cumulative meta‐analysis, sensitivity analysis by the “one‐study‐removed”
procedure, and subgroup analysis, among others. It covers all basic fixed and
random effect models and provides high‐quality graphical outputs for reports.
The tutorial and the manual are really helpful and friendly. In short,
Comprehensive Meta‐analysis is my favorite tool both for performing and teaching
meta‐analysis.

– Professor Juan Botella
Autonomous University of Madrid
Comprehensive Meta‐Analysis is the premier program for conducting meta‐
analyses. It has incredible flexibility in including many different types of
effect sizes and in converting between them in a single analysis. It is
extremely user‐friendly and has brilliant graphical capabilities.

– David P. Farrington
Institute of Criminology, Cambridge University
Comprehensive Meta‐Analysis is a powerful program for meta‐analysis
computations. It is user‐friendly and easy to learn. Its capabilities to produce
forest plots and complete subgroup analyses are particularly useful.
Additionally, the CMA support staff is quick to respond to any trouble‐shooting
issues.

– Audrey Flak
(CDC/ONDIEH/NCBDDD) (CTR)
A few years ago after a short survey looking for good software to perform
meta-analyses I purchased the CMA and since then I'm using it and enjoying my
choice. I think the software is very good, easy to use, and generates everything
I need when performing meta-analyses, including the charts.

– Dr. Ori Rogowski
Senior Physician, Internal Medicine, Tel-Aviv Sourasky Medical Center, Tel-Aviv,
Israel
The program was easy to understand and exceptionally helpful for a
non‐statistician doing metaanalyses. I encourage anyone who is interested in
doing a meta‐analysis to test the software and see its power. The program has
allowed me to publish important data in top‐tiered medical journals.

– Jeffrey S. Berger, MD, MS, FACC
Assistant Professor of Medicine (Cardiology and Hematology), Assistant Professor
of Surgery (Vascular Surgery), Director of Cardiovascular Thrombosis, New York
University School of Medicine
I've been especially impressed by (1) the very wide range of effect size
measures CMA accepts, and (2) how well it works with students learning about
meta‐analysis. It's a wonderful resource!

– Geoff Cumming, DPhil
Emeritus Professor, School of Psychological Science, La Trobe University, Vic,
Australia
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