Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 68 for “"Statistical testing"”.
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Multivariate analyses of the impact of offshore marine mining on the benthic macrofauna off the west coast of Southern Africa
… exposed to physical disturbance of the seabed. Statistical testing, using analysis of similarities, reveals a highly significant difference between mined and unmined samples. Statistical testing also detects natural spatial heterogeneity across the 6 study areas. Aggregation of the data to …
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The quantification of dorsal hand features of interest to assist forensic human identification
… hand in 260 participants (520 hands), allowing statistical testing of relationships between hand features and their occurrence in these different regions. Biographic information gathered from participants allowed factors including sex, handedness and age to be included in statistical testing. …
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Monetary Unit Acceptance Sampling: Sequential and Fixed Sample Size Plans for Substantive Tests in Auditing
Monetary unit acceptance sampling (MUAS) is a statistical model suitable for audit substantive testing. The model is stated entirely in the statistical testing framework. Nominal risks of the test are achieved against a binomial error distribution (i.e. relative errors in the population are 0% or …
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Deep Learning for Short-Term Spatiotemporal Prediction of Shared Dockless E-Scooter Demand: Grid-Based Representation, Temporal Input Design, and Day-Type-Aware Model Benchmarking
… attention to day-type variation, and rarely use statistical testing in model comparisons. In this thesis, an image-based deep learning framework for short-term spatiotemporal prediction of shared e-scooter pick-up and drop-off demand is developed in three stages. First, from a relatively small …
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An examination of potential backdating of executive share option grants in South Africa
… is much more pronounced for unscheduled grants. Statistical testing shows the mean cumulative abnormal returns are significantly different from zero after the grant date, but are not significantly different from zero before the grant date. The mean differences in average cumulative abnormal stock …
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An analysis of Candlestick charting: the predictive power of the three-outside-up and three-outside-down Candlestick patterns in the context of small capitalization stocks in the USA
… the normal approximation to the binomial for statistical testing and a dynamic holding period strategy to test the threeoutside- up and three-outside-down patterns, this study contradicts earlier works that used dynamic holding period strategies for large capitalization stocks and showed …
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Diversification strategy, financial performance and stability in the foodservice industry
… seventy-three foodservice firms from 1988-1991; Statistical testing using non-parametric tests showed no significant differences between diversification strategy and financial performance and stability of foodservice firms over the entire period from 1988-1991. However, when the time-frame was …
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Difference between Nurses' Role Conception and Perceived Image
… in relation to nursing's image. Based on statistical testing, there was a (difference between the mean scores of the service role conception of nurses and their perception of the image related job characteristics: importance of work to society and the authority this occupation has to …
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Investigating Selection Criteria of Constrained Cluster Analysis: Applications in Forestry
… is a perquisite to more effective analysis and statistical testing. In this study, current techniques of partial redundancy analysis and constrained cluster analysis are used to explore how spatial variables determine structure in a managed regular spaced plantation. We will test for spatial …
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Vztah emoční inteligence a rodinného výchovného stylu
… intelligence and find out whether there is a statistically significant difference between the sexes. The data were collected by means of a questionnaire on parenting style and the Schutte Emotional Intelligence Scale. The research sample consists of 167 respondents, whose age ranges from 18 to …
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Better than average: An investigation of overconfidence in South Africa
… a South African equity unit trust to allow for statistical testing. The data obtained were analysed for evidence of overconfidence and anchoring by comparing respondents’ estimates of fund returns against historical returns and then checking whether they adjusted their estimate after being …
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Analysis of Respiratory Time Series Data for Breathing Discomfort Detection Prior to Sleep Onset During APAP Therapy
… self-reported comfort levels are evaluated via statistical testing. Based on the results, features in breathing data are identified that may be meaningful indicators for whether a patient is experiencing discomfort or breathlessness. Additionally, opportunities for additional data collection …
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A Statistical Approach to Empirical Macroeconomic Modeling with Practical Applications
… tested. This study addresses the applications of statistical testing methods and model respecification within the context of applied macroeconomics. The first application is a statistical comparison of Gregory Mankiw, David Romer and David Weil’s A Contribution to the Empirics of Economic Growth, …
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Morphometric discrimination among Betula nana, Betula pubescens and their hybrids using the shapeR package
… parameters from image samples and to conduct statistical testing. Using the ShapeR package in conjunction with other R packages used for statistical analysis, it was possible to discriminate between both species and their hybrids with unprecedented accuracy. Surprisingly, the most effective …
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Organizational settings and profiles of servant leadership
… Kruskal-Wallis and Mann-Whitney U nonparametric statistical testing, significance was found for three of organizational settings: between the collected variables of gender, years worked, years volunteered outside of workplace, years volunteered within organizational site, professional/industry …
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An Investigation Of Attitudes And Perceptions Of Preservice Teachers Compared To First Year Teachers Toward Inclusion
… results were determined by using a variety of statistical testing including a one sample t-test, Pearson correlation coefficient, and a one-way anova. The findings indicate that preservice teachers and first year teachers believe in having students with disabilities included in their …
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Identifying person preference in individuals with a profound learning disability and high support needs
… to extend the use of systematic preference testing, and to enable people to make choices by enhancing the modes of communication of preference. It looks at the viability of systematic preference testing, embedded observations of preference, and the use of staff opinion to predict the person …
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Analysis of Airport Security Screening Checkpoints using Queuing Networks and Discrete Event Simulation: A Theoretical and Empirical Approach
… validated qualitatively and quantitatively by statistical testing before experimentation. After validation, a sensitivity analysis was performed on baggage volume of passengers (PAX) and the alarm rate of baggage screening devices, where SSCP throughput and PAX cycle time were the dependent …
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A Data Analysis Of Emotional Intelligence Interventions With Third Year Medical Students
… stages. The analysis included the mean and statistical testing of a difference in each domain’s overall score measurements at these three stages. Findings from the research determined that this 10-exercise EI series increases social awareness in third-year medical students. The increase in …
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Determining land use change and desertification in China using remote sensing data
… recognize locations of rapid land cover change. Statistical tests, such as unbalanced multi-way ANOVA, determine if climatic or anthropogenic factors can predict if an area is undergoing rapid land cover change. The climate and population data is resampled to an uniform 0.5' scale and converted …
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