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ERIC Number: ED469762
Record Type: RIE
Publication Date: 2002-Oct-17
Pages: 34
Abstractor: N/A
Reference Count: N/A
ISBN: N/A
ISSN: N/A
Expressing Logistic Regression Coefficients as Changes in Initial Probability Values: Useful Information for Practitioners.
Fraas, John W.; Drushal, J. Michael; Graham, Jeff
This paper presents a method designed to assist practitioners in the interpretation of the practical significance of a statistically significant logistic regression coefficient is presented. To avoid the interpretation problems encountered when using the traditionally reported change in either the log odds or odds values, this method centers the interpretation on the change in the probability value of the event occurring associated with a given change in the independent variable for a range of initial probability values. To assist in the implementation of this method, a computer program, which is used in conjunction with the Microsoft (registered) Excel software, was designed to compute these probability values. An appendix contains the commands used in conjunction with the Excel software. (Contains 4 figures and 27 references.) (SLD)
Publication Type: Reports - Descriptive; Speeches/Meeting Papers
Education Level: N/A
Audience: Practitioners
Language: English
Sponsor: N/A
Authoring Institution: N/A
Note: Paper presented at the Annual Meeting of the Mid-Western Educational Research Association (Columbus, Ohio, October 16-19, 2002).