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| Measurement and Evaluation in… | 2 |
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Peer reviewedO'Connell, Ann Aileen – Measurement and Evaluation in Counseling and Development, 2000
Compares approaches to modeling ordinal outcome variables, including assumptions, interpretations, and limitations. Explores how the multiple regression approach with ordinal level data can compromise the understanding of the effects of the independent variables and of the ordinal level response. Provides applications with data from a multisite…
Descriptors: Models, Multiple Regression Analysis, Predictor Variables, Research Methodology
Peer reviewedMason, Michael J. – Measurement and Evaluation in Counseling and Development, 1999
Presents procedures for reducing attrition in clinical research and provides a case study for examination by researchers. Includes lists of preventative strategies and statistical methodologies to reduce attrition and bias. Argues that early planning for attrition by adjusting sample sizes is a scientifically sound approach to clinical research…
Descriptors: Attrition (Research Studies), Research Methodology, Research Problems, Statistical Analysis
