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Development And Validation Of The Statistics Assessment Of Graduate Students, Dammika Lakmal Walpitage
Development And Validation Of The Statistics Assessment Of Graduate Students, Dammika Lakmal Walpitage
Doctoral Dissertations
This study developed the Statistics Assessment of Graduate Students (SAGS) instrument, and established its preliminary item characteristics, reliability, and validity evidence. Even though there are limited number of assessments available for measuring different aspects of statistical cognition, these previously available assessments have numerous limitations. The SAGS instrument was developed using Rasch modeling approach to create a new measure of statistical research methodology knowledge of graduate students in education and other behavioral and social sciences. Thirty-five multiple-choice questions were written with stems representing applied research situations and response options distinguishing between appropriate use of various statistical tests or procedures. A focus …
Prescription Stimulant Use By Graduate Students, Matthew Donald Varga
Prescription Stimulant Use By Graduate Students, Matthew Donald Varga
Doctoral Dissertations
The purpose of this study was to measure graduate student prescription stimulant use by assessing the extent of use, reasons for use, and poly-substance use. Graduate students (n = 1,015) enrolled at a large Southeastern university completed the Student Life Survey. The data were analyzed using a variety of analytical techniques including descriptive statistics, frequencies, and a stepwise logistic regression in order to answer the research questions guiding this study:
- What is the extent of prescription stimulant abuse among graduate students on college campuses?
- What are the reasons for graduate students’ illicit use of prescription stimulants?
- Are graduate students …