ir.canterbury.ac.nz Open in urlscan Pro
132.181.109.142  Public Scan

Submitted URL: http://ir.canterbury.ac.nz/
Effective URL: https://ir.canterbury.ac.nz/
Submission: On April 02 via api from US — Scanned from NZ

Form analysis 5 forms found in the DOM

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UC RESEARCH REPOSITORY

Nau mai, haere mai, welcome to the UC Research Repository

The UC Research Repository collects, stores and makes available original
research from postgraduate students, researchers and academics based at the
University of Canterbury.

 
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Now showing 1 - 11 of 11

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RECENT SUBMISSIONS

ItemOpen Access
Immersive virtual reality for children in formal education.
(2023) Belter, Meike
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This PhD thesis explored the integration of virtual reality (VR) technology into
formal education, specifically targeting school-aged children. While VR has
gained traction primarily for entertainment, this study sought to harness its
immersive potential for educational purposes within, for example, schools. Games
have long been recognized as valuable tools for enhancing learning experiences.
In recent years, schools have increasingly adopted them, particularly in
subjects such as math. Not all learning methods and tools are inclusive to all
learners. Common challenges for children in a school context are inattention and
hyperactivity. VR, with its ability to create immersive and customizable
environments, presents an intriguing avenue for addressing these challenges. To
address this, a VR math game was developed for this research, drawing from
established educational frameworks and insights garnered from subject matter
experts. Through qualitative interviews and thorough requirement analysis, the
game’s design was refined. Subsequently, two user studies were conducted within
real-world school environments. The initial study focused on assessing usability
and refining the prototype based on user feedback. Encouraging outcomes paved
the way for a more extensive second study. This followup delved into the
influence of a reward system and virtual agent on the user experience, and
comparing the VR game against a non-VR counterpart. The findings demonstrated
that the VR game not only cultivated positive user experiences but also
heightened motivation and engagement. Despite these promising results, further
exploration is necessary to determine the role of ‘peerpresence’ in VR learning,
and the game’s suitability for children with clinically diagnosed attention and
hyperactivity issues. This research adds valuable insights into the process of
creating inclusive and effective VR learning experiences. Through a
comprehensive research approach, including design, usability testing, and user
studies, the thesis underscored the potential of VR to enhance user engagement
and experiences within educational contexts.
Show more
ItemOpen Access
Barriers and supports to the use of research by human resources practitioners in
New Zealand.
(2024) O'Sullivan, Z. M.
Show more
The research-practitioner gap has been long established within the field of
organisational psychology and has implications for both the relevance of the
field and the efficacy of Human Resources (HR). However, although there are many
recommendations from researchers about how to address this gap, these
recommendations are based on the perspectives of researchers, not HR
practitioners. Research also suggests a difference in research utilisation
across domains of HR practice, however, the reasons for this difference have not
been explored. To address this gap in the literature, the present study
interviewed 15 HR practitioners within New Zealand about their perspective on
research, their use of research across domains, and the barriers and supporting
factors to use of research. It utilised theoretical sampling and semi-structured
qualitative interviews to identify these barriers and supports to research use.
The findings of the study support previous research’s findings regarding the
impact of academic language and restrictions on organisational resources, but
also demonstrate the factors influencing practitioners’ relationship with
research, factors motivating and prompting research use and how practitioners
interact with research, and tensions present within participants. Based on these
results a new typology for categorising practitioners is proposed, and
recommendations for increasing HR practitioners’ utilisation of research are
provided.
Show more
ItemOpen Access
Exploring employee green behaviours in Aotearoa New Zealand organisations : a
qualitative comparative case study.
(2024) Steyn, Josie
Show more
Organisations globally are urged to embrace environmental sustainability
responsibility in light of their potential positive impact on mitigating climate
change. In Aotearoa New Zealand, the government’s introduction of environmental
policies has prompted organisations to integrate such policies into their
purpose, vision, mission, and activities. However, the success of these
environmental sustainability efforts relies on individual employees attitudes
and behaviours. The current study aims to explore the multi-level factors that
influence the adoption of employee green behaviours within the context of
Aotearoa New Zealand’s current climate and environmental policies, utilising the
Abilities-Motivation-Opportunities Theory as a theoretical framework. Employing
an exploratory, qualitative, comparative case-study approach, 12 semi-structured
interviews were conducted across two case organisations. Reflexive thematic
analysis revealed five factors that were common across organisational levels:
Individualism, Alignment, Perceptions of Authenticity, Motivation, and
Facilitation. This study contributes to the existing literature examining
employee green behaviours, and provides direction for future research.
Furthermore, it provides practical applications for organisations wishing to
encourage their employees in adopting green behaviours to collectively achieve
organisational green goals and enhance their environmental sustainability
efforts.
Show more
ItemOpen Access
Percolating networks of nanoparticles for neuromorphic computing.
(2024) Heywood, Zachary
Show more
Inspired by biology, neuromorphic (brain-like) computing aims to capture the
incredible capabilities of the human brain with physical devices. The brain
completes numerous complex tasks such as pattern recognition using a fraction of
the time and energy of conventional computers. In order to build systems with
similar computational abilities, it makes sense to investigate systems that have
intrinsic brain-like qualities. Percolating networks of nanoparticles (PNNs)
have many features that make them suitable for neuromorphic computing. The
neuromorphic properties of PNNs have previously been demonstrated for simple
two-electrode devices. Multiple electrodes are required, however, for the
implementation of PNNs as the reservoir in a conventional reservoir computing
(RC) scheme, where multiple inputs and outputs are used. This thesis focuses on
simulations of PNNs and it is demonstrated that the neuromorphic properties are
conserved in devices with multiple electrodes. RC utilises temporal correlations
in a dynamical system in order to perform computation. A model for operating in
the low-voltage tunnelling regime is described, which allows PNNs to be used as
the physical reservoir. A range of benchmark tasks are successfully performed
and the effect of network size on RC performance is investigated. The RC scheme
is extended to the emulation of swarming behaviour, like that seen in flocks of
birds. A number of approaches are investigated and a novel method is developed
that produces ‘swarm-like’ behaviour with PNNs for the first time. The results
presented in this thesis demonstrate that PNNs have capability for neuromorphic
computing and show that there is promise for solving even complex problems.
Show more
ItemOpen Access
A comprehensive review of publications about kelp and fucoids from New Zealand
and subsequent experiments on the early life stages of Hormosira banksii.
(2023) Edmunds, Nicolette Rene
Show more
Kelp (Laminariales) and fucoids (Fucales) are canopy-forming macroalgae that
cover ca. 25% of the world’s coastlines, including many rocky coastlines
throughout New Zealand. Marine forests, dominated by kelp and fucoids, are
highly biodiverse and productive ecosystems that provide ecosystem functions,
such as nutrient and carbon sequestration and habitat for marine species.
However, seismic uplift, urbanization, warming, heatwaves, invasive species,
eutrophication, coastal darkening, sedimentation, and elevated grazing pressure
have reduced their vertical and horizontal distributions, globally and in New
Zealand, motivating calls for protection and restoration. Kelp and fucoids have
been studied in New Zealand since the 1930s but their research has not yet been
systematically reviewed. Here I reviewed published kelp and fucoid research from
New Zealand using Scopus searches, and extracted data about spatial locations,
elevations, temporal patterns, study species, and study topics (Chapter 2). Data
extractions from 430 papers showed that most kelp and fucoids were studied in
central New Zealand, in the shallow subtidal zone (<30 m), over relatively short
time scales (<2 years) and predominately in a single summer season. Furthermore,
most studies were done on a multi-species community level typically showing
distribution and abundance data. Ecklonia radiata and Durvillaea antarctica were
the most studied kelp and fucoid species, respectively. I also identified a key
research gap arising from few published studies on the early life history of
fucoids – a research topic that is important for future protection and
restoration projects. The systematic review was therefore followed by factorial
laboratory experiments to determine optimal conditions to induce gamete release
and grow zygotes of fucoids (Chapter 3). Experiments focused on reducing
contaminants and specifically test for the relative importance of (a)
temperature and heat stress on gamete release, (b) gamete solution-concentration
and substrate types, slope, and rugosity on zygote settlement and (c)
temperature, shading, fertilization, and competition with diatoms (through GeO2
addition) on germling growth and sizes. The first experiments compared propagule
release between Hormosira banksii and other fucoids, but only Hormosira
successfully produced zygotes that grew successfully on different substrates.
Hormosira was therefore studied in follow-up experiments. First, I found that
the release of Hormosira gametes and settlement of zygotes was greatest (when
pooled over crossed test factors) at high zygote solution concentration (this
single factor explained 10% of the data variability), at short stress duration
of the parents (7%), at high temperature stress of the parents (6%), and when
the slope of substrate slides was zero (2%) (there was no effects of slide
rugosity). Second, in a longer 6-week zygote growth experiment, I found that
germling densities were greater in fertilized aquaria (this single factor
explained 21% of the data variability), without addition of GeO2 (8%, supposed
to inhibit competing diatoms), and on Hardiflex substrates (7%, compared to
slide substrates). However, adding shade cloth at two different temperatures (18
vs. 23°C) did not affect densities. Third, I found that factorial analysis on
germling sizes was relative similar to the described analysis on densities.
Finally, when evaluated across the different factorial experiments, only few
higher order interactions were significant, and the significant interactions
explained little of the data-variability, mainly varying in magnitude - not
direction. This result suggests that effects on early life stages of Hormosira,
by different environmental stressors, generally are additive. In conclusion, my
work identified (a) key gaps to stimulate new kelp and fucoid research, e.g.,
associated with early life histories and restoration, and (b) environmental
conditions that maximize success of early Hormosira life stages, which could
improve future restoration aimed to rebuild and restore decimated intertidal
Hormosira beds.
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