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 181 for “"Statistical Software"”.
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A Semantic Modelling Approach to Knowledge Based Statistical Software
… thesis is the development of knowledge based statistical software. The shortcomings of conventional statistical packages are discussed to illustrate the need to develop software which is able to exhibit a greater degree of statistical expertise, thereby reducing the misuse of statistical …
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Statistical Software Usability for Novice Doctoral Students in the Social Sciences
… data analysis. Despite the wide availability of statistical software tools, these students struggle to master statistical data analysis and exhibit low ability in using these tools. This thesis tackles the possibility that the design of statistical software systems may explain much of the …
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Improving Students' Attitudes About Statisitcs Ability through Integration of Statistical Software With Statistics Instruction
… whether the utilization of the statistics software Statistical Package for the Social Sciences (SPSS®) in statistics learning improves student attitudes about statistics and student statistics ability. Many researchers have examined student anxiety regarding mathematics, statistics, …
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Understanding methods for internal and external preference mapping and clustering in sensory analysis
… relevant descriptors in a target market. Many statistical methods and commercial statistical software programs offering preference mapping analyses are available to researchers. Because of numerous available options, there are two questions addressed in this research that most scientists must …
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Investigating relationships between women's moods and their menstrual cycles - a multimethod study
… quantitative data that were analysed using STATA statistical software and the ecological multivariate data analysis software package known as PRIMER. Results from the statistical software were represented graphically and indicated that there is a relationship between menstrual cycle days and …
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Estimating the Difference of Percentiles from Two Independent Populations.
… obtained in a simulation study done with the statistical software R.</p>
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On Cluster Robust Models
<p>Cluster robust models are a kind of statistical models that attempt to estimate parameters considering potential heterogeneity in treatment effects. Absent heterogeneity in treatment effects, the partial and average treatment effect are the same. When heterogeneity in treatment effects occurs, …
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Association Between Smoking, Chemical Exposure and Hearing Loss in an Occupational Setting
… and logistic regression models. Data entry and statistical analysis were accomplished with the SPSS Data Builder and the SPSS 13.0 statistical software. SAS statistical software was also used for a portion of the statistical analysis.Results: In a Cox regression model controlling for many …
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Assessment of bivariate normality
… very easy to apply using any available standard statistical software.
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Multinomial Link Models
… we solve the infeasibility issue of existing statistical software when estimating parameters for cumulative link models.
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Predicting COVID-19 Compliance Behaviors in College Students Using the Health Belief Model
… of students in a southern state using Qualtrics software and data was analyzed using SAS statistical software. The results showed that participants were compliant with COVID-19 regulations and that the HBM construct threat perception (perceived severity and susceptibility) was the strongest …
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Wellness and Nutrition Education Program to Promote Improve Nutritional Practices and Decreased Body Mass in Individuals Working in a Health Care Setting.
… practices were analyzed using Minitab statistical software. There were improvements made in weight, anthropometric measurements, and BMI during the program. The improvements in nutritional practices were not significant.</p>
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The influence of digital marketing on the student recruitment process in the private higher education sector in Perú
… reviewed, processed, and analyzed using SPSS statistical software. Finally, based on quantitative and qualitative research, it was observed that there is a positive correlation between the student recruitment process in the Private Higher Education Sector in Peru and the application of digital …
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The not-so-blind date : how online information-seeking influences first date romantic attraction.
… Participant responses were analyzed using statistical software to determine how the amount of information received prior to the interaction influenced attraction and the desire for a future interaction.
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Association of parental weight with pregnancy weight gain and outcome
… interviews. The data was analyzed using the statistical software STATISTICA version 5.5, 1999.;The findings of this study indicate that there is a linear association between fathers' BMI and pregnancy weight gain and a curvilinear relationship between mothers' pre-pregnancy BMI and pregnancy …
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Reliability quantification of nuclear safety-related software
… quality and reliability of safety-critical software in the nuclear industry. It is accomplished by focusing on the following two areas: Formulation of a standard extensive integrated software testing strategy for safety-critical software, and Development of systematic test-based statistical …
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Absolute Frequency Data for Statistical Computing: A Comparison With Sample-Based Approaches and Guidelines for Improving Software Implementation
… in storage efficiency gained by performing statistical computations using absolute frequency data. These results quantify the reduction in data storage requirements for absolute frequency data relative to using the sample form of the data, and illustrate the potentially large speed-up gained …
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A Comparison Of Ordinary Least Squares, Weighted Least Squares, And Other Procedures When Testing For The Equality Of Regression
… in increased Type I error rates and reduced statistical power (Box, 1954; DeShon & Alexander, 1996; Wilcox, 1997). Overton (2001) recommended weighted least squares estimation, demonstrating that it outperformed OLS and performed comparably to various statistical approximations. However, …
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Food Security and Physical Activity in Individuals Living With HIV/AIDS in Rural Appalachia
… physical activity. Data were analyzed using PASW statistical software (version 18.0,) to determine the relationship between the variables (Mann-Whitney U). The majority of participants (n = 82) were: male (n = 63) and Caucasian (n = 59). For all patients, 28 (34.1%), 10 (12.2%), 12 (14.56%), and …
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A new REML (PX)EM algorithm for linear mixed models and factor analytic mixed models
… is residual maximum likelihood (REML). Most statistical software packages available for the REML estimation of parameters associated with linear mixed models and factor analytic mixed models implement a Newton-Raphson type algorithm such as the expected information algorithm or the average …
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