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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 21 for “"Non-parametric statistics"”.
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Experimental evaluation of the efficiencies of certain non- parametric statistics
… be. The use of the 10% level of significance in non-parametric tests does seem unrealistic, because, in general, non-parametric statistics tend to be more conservative than parametric statistics. In case non-parametric methods are applied to samples from a population which is normally …
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An investigation into the implementation of e-learning in the Faculty of Commerce, Administration and Law at the University of Zululand
… focus group were used. These were analysed using parametric and non-parametric statistics. Results revealed that the programme was poorly implemented and advertised at the institution as a proportion of the sample of lecturing staff and students did not know what e-learning was or that it was …
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Spring-Thaw Nitrous Oxide Emissions From Reed Canarygrass On Wet Marginal Soil In New York State
… and precipitation. Hot-moment analysis, non-parametric statistics and modeling results show that in the reed canarygrass, the topologically low subplots exhibited significantly elevated emissions compared to the fallow. Our results suggest that conversion of fallow grassland to perennial …
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Vocabulary Acquisition in CFL (Chinese as a Foreign Language) Contexts: a Correlation of Performance and Strategy Use
… test scores were collected. Descriptive and non-parametric statistics were used. The one-way ANOVA was used to investigate the effect of character density on students' vocabulary recognition and production performance. The Pearson Correlation was used to determine whether there was a linear …
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Social Disorganization In University Residence Halls
… residential colleges and contemporary halls. The non-parametric statistics, however, found no significant difference between the incident rates of the residential colleges and the contemporary halls. Social disorganization theory failed to explain the variance between the rates of the different …
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Rebuilding Coastal Mississippi Following Hurricane Katrina: A Spatial and Temporal Analysis
… environment recovery, including descriptive and non-parametric statistics, visual multivariate analysis with the VIS-STAMP software package, and the spatial scan statistic SaTScan. The results of these analyses show that recovery is not occurring evenly in space or time across the Gulf Coast. The …
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A Menu Analysis of Sorority Meals at the University of Mississippi
… for Research (NDSR) software. Descriptive statistics were used to express results and percent differences were calculated. Non-parametric statistics were used to compare means of nutrient values. The study protocol was approved by the University Institutional Review Board. The menu analysis …
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The Impact of Postgraduate Qualifications in Medical Education
… The quantitative data were analysed using non-parametric statistics on SPSS 21, and constructivist grounded theory analysis was used for the qualitative data in ATLAS.ti 7.<br/><br/>I found that a qualification in medical education enhances theoretical foundations in educational practices, …
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Academic Performance and Engagement of Educational Opportunity Program Students in a College Algebra Extended Class at the State University of New York, New Platz
… styles, and concept model application test. Parametric and non-parametric statistics were used to analyze quantitative data while content-analysis was used for the interview data.</p> <p>Results</p> <p>Students showed significant improvement between pretest and posttest scores (36% increase). …
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Leaching of metals and metalloids from highway marking glass beads and the potential environmental impact
… the imported batch were conducted for 30 days. Non-parametric statistics were applied to test concentrations that resulted in excess of the groundwater quality criteria. Results demonstrated that the New Jersey Default Leachate Groundwater limits for As were exceeded for 98% of the samples …
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LIVSTILLFREDSSTÄLLELSE HOS ÄLDRE, SÄRSKILT MED NEDSATT FUNKTIONSFÖRMÅGA SAMT INFORMELLA VÅRDARE I relation till hälsa, självkänsla, sociala och ekonomiska resurser i ett svenskt och europeiskt perspektiv
… 392 with a low caregiving extent and 1258 non-caregivers from the Swedish sample. In study III 2195 people with reduced self-care countries. The data were analysed by descriptive and inferential statistics using non-parametric statistics, logistic and linear regression. Low life …
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Prevalence of anxiety disorders among people living with HIV (PLWHIV) and experiencing neuropathic pain who attend clinics in Nkomazi Sub-District
… from all participants. Age is summarised using non-parametric statistics. Categorical variables are summarised using percentages and a bar graph. The Chi-squared and the Fisher’s exact tests are used to compare binary categorical variables. The Prevalence Ratio is the relative measure of …
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Characteristics and Outcomes of Individuals Self-Selecting Yoga versus Physical Therapy for the Treatment of Chronic Low Back Pain
… with care. Group differences were compared using non-parametric statistics.</p> <p>The findings revealed no significant differences between the groups in duration of cLBP (9.02 ± 9.29 years), worst pain in the past 6 months (8.05 ± 1.93 on a 0-10 pain bothersomeness scale), age (50.69 ± 15.56 …
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Projection methods for clustering and semi-supervised classification
… density, which is a widely adopted definition in non-parametric statistics and machine learning. A thorough investigation into the theoretical aspects of this method, as well as the practical task of solving the associated optimisation problem efficiently is presented. The proposed methodology is …
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Counselors' knowledge of and attitudes toward careers in agriculture
… were counselor knowledge and counselor attitude. Non-parametric statistics were employed in analyzing the data. Significant relationship was found to exist between race and knowledge; and gender, years of experience as a counselor, and years of experience in agricultural and agriculturally related …
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Robustness And Power Of The Kornbrot Rank Difference, Signed Ranks, And Dependent Samples T-Test
… <strong>Major:</strong>Evaluation and Research - Statistics</p> <p> <strong>Degree:</strong>Doctor of Philosophy</p> <p> The purpose of the study was to compare the power and accuracy of the Wilcoxon Signed-Ranks test in comparison to the rank difference test when the assumption of normality is …
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Approaches to study and learning environment in medical schools with special reference to the Gulf countries
… environments in many disciplines. However, none of these instruments have incorporated the effect of English as a second language on students' perceptions of their learning environment and learning approaches to study.<br/><br/>Within medical schools several inventories have been used to …
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Diagnostics of source distribution and particle population in Monte Carlo source iteration methods
… geometry into bins. These indicators are the Shannon entropy, Jensen measure, the progressive relative entropy and the posterior relative entropy. The fifth indicator of the source distribution's state was developed as to eliminate the need for the input of a mesh upon the geometry. This method …
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Knowledge Surveys in Nursing Education: Pre-licensure Nursing Students’ Perceptions of their Knowledge and Clinical Skill Abilities
… focused upon End-of-Life care. Using non-parametric tests using chi square (with Phi or Cramer’s V) as well as the t-test for paired samples, I evaluated whether or not the use of a KS increased knowledge and clinical skill/ability. The participants demonstrated a perception of …
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Inference and Estimation in Change Point Models for Censored Data
… part of this dissertation, we propose a novel non-parametric approach for estimating the point of treatment time-lag effect by using an empirical divergence measure. Theoretical properties of the estimator are studied. The results from the simulated data and real data example support our …
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