Browsing PhD Theses Collection by Title
Now showing items 940-959 of 1125
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Security and Usability of Authentication by Challenge Questions in Online Examination
(2017-05-12)Online examinations are an integral component of many online learning environments and a high-stake process for students, teachers and educational institutions. They are the target of many security threats, including ... -
Seeking to Control Enterprise with Architecture: the Limits and Value of an Engineering Approach From the Perspective of an Enterprise Architect
(2017-02-02)In this thesis, I challenge assumptions underlying my discipline of enterprise architecture that led to two choices facing practitioners: either to work with tools and techniques which predict and control changes towards ... -
Self-Management, Psychological Correlates, and Clinical Outcomes in People on Dialysis for End Stage Renal Disease
(2016-04-14)The thesis that this dissertation aims to defend is: Certain self-management behaviours in End Stage Renal Disease are predicted by self-efficacy, patient activation, and psychological distress, and in turn predict clinical ... -
Self-Motivated Composition of Strategic Action Policies
(2018-06-11)In the last 50 years computers have made dramatic progress in their capabilities, but at the same time their failings have demonstrated that we, as designers, do not yet understand the nature of intelligence. Chess playing, ... -
Self-Organised Task Differentiation in Homogeneous and Heterogeneous Groups of Autonomous Agents
(2012-09-27)The field of swarm robotics has been growing fast over the last few years. Using a swarm of simple and cheap robots has advantages in various tasks. Apart from performance gains on tasks that allow for parallel execution, ... -
Self-Stigmatization and Ageism Amongst Older People Accessing Mental Health Services
(2009-06-03)The aim of this novel piece of research was to explore experiences of self-stigma amongst a group of older people (aged 65+) currently using mental health services. In order to try and identify possible contributing ... -
Semantic Memory Impairments in Schizophrenia: A Neuropsychological Study to Evaluate Competing Theories
(2008-11-04)Abstract People with a diagnosis of schizophrenia have been found to perform poorly on tasks assessing semantic memory, and these impairments have been proposed to be related to certain symptoms, in particular Formal ... -
Semicarbazide-sensitive Amine Oxidase (SSAO) and its Interaction with Lysyl Oxidase (LOX) in Rat Aortic Vascular Smooth Muscle Cells
(2022-03-11)Introduction: Semicarbazide-sensitive amine oxidase (SSAO) is both a soluble and membrane bound transmembrane protein expressed in the vasculature. In endothelial cells, SSAO is involved in leukocyte rolling, adhesion, and ... -
Senior Executives and the Emergence of Local Responsibilities in Large Organisations: A Complexity Approach to Potentially Better Results
(2010-06-30)All executives strive for better results in their organisations. They are always dependent on others to achieve these results and this dependency is particularly evident in large organisations. This thesis is concerned ... -
Senior Selection Interviewing: From Individual Skill and Intuition to Habitus and Practice
(2010-09-15)Research into choosing individuals to fill positions at or near board level in organisations is scarce; however we know that interviewing is the dominant selection practice. The research into selection interviewing at ... -
Sensitivity of Simulated Boundary-Layer Flow to the Representation of Forest Canopies in Complex Terrain
(2022-04-19)Complex terrain covers a large fraction of the land surface of the Earth. Due to the limited uses of steeply sloped terrain a lot of this is undeveloped and often covered with a canopy of trees or shrubs. Vegetation canopies ... -
Sentosa : a feminist ethnography of a psychiatric hospital in Sarawak, East Malaysia
(University of Hertfordshire, 2002)This doctoral thesis is a feminist ethnographic study of psychiatric patients in the State of Sarawak, East Malaysia. The study took place at a psychiatric hospital located in the capital city of Kuching, commencing in ... -
Sex Differences in Cognition in Alzheimer's Disease
(University of Hertfordshire, 2014-01-14)Inspection of the published research shows that sex differences in cognition in the general population have been widely cited with the direction of the advantage depending on the domain being examined. The most prevalent ... -
Shattered Narratives and the Search for Meaning: The Experiences of Parents Whose Child Sustains Traumatic Brain Injury
(2009-08-05)This study looked in detail at the parental experience of having a child sustain traumatic brain injury (TBI); beginning with the child sustaining the injury, through the acute and chronic stages of rehabilitation, to the ... -
Shells, Bubbles and Holes: the Porosity of the Interstellar Medium in Galaxies
(2012-10-08)We present an analysis of the properties of HI holes detected in 20 galaxies that are part of “The HI Nearby Galaxy Survey” (THINGS). We detected more than 1000 holes in total in the sampled galaxies. Where they can be ... -
Shock-excited molecular hydrogen in the outflows of post-asymptotic giant branch stars
(University of Hertfordshire, 2014-07-02)Since the identi cation of proto-planetary nebulae (PPNe) as transition objects between the asymptotic giant branch stars and planetary nebulae more than two decades ago, astronomers have attempted to characterise these ... -
The Short Term Behaviour of Exchange Rates: a Middle Ground Approach
(2012-06-13)The understanding of the mechanism determining exchange rates is still an unsolved puzzle in the field of international economics. In the search for the underlying causes of the failure of existing approaches to explain ... -
Signal Transduction Mechanisms for Lysophosphatidic Acid Mediated Cardiac Differentiation of P19 Stem Cells
(2018-12-07)The role of endogenous molecules in facilitating stem cell differentiation into cardiomyocytes is yet to be fully understood. SPC and S1P, common biolipids, promote cardiac differentiation of mesenchymal stem cells and ... -
Signal Transduction Mechanisms for Stem Cell Differentation Into Cardiomyocytes
(2009-08-05)Cardiovascular diseases are among the leading causes of death worldwide and particularly in the developed World. The search for new therapeutic approaches for improving the functions of the damaged heart is therefore a ... -
Simulations of High Mass Star Formation in the Milky Way
(2013-02-18)Massive star formation takes place in the dense cores of molecular clouds where the stars may be obscured at optical wavelengths. An excellent signpost of a massive young stellar object is the presence of an ultra-compact ...