Appropriate Moderated Regression and Inappropriate Research Strategy: A Demonstration of Information Loss Due to Scale Coarseness.

Russell, Craig J.; And Others

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Peer reviewed

ERIC Number: EJ443844

Record Type: Journal

Publication Date: 1991

Pages: N/A

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ISSN: ISSN-0146-6216

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Appropriate Moderated Regression and Inappropriate Research Strategy: A Demonstration of Information Loss Due to Scale Coarseness.

Russell, Craig J.; And Others

Applied Psychological Measurement, v15 n3 p257-66 Sep 1991

Analysis of hypothetical data with dependent responses demonstrates how information loss caused by the overt response scale has an unknown influence on effect sizes in moderated regression analysis. The number of scale steps measuring the dependent variable results in a form of systematic error that alters interaction effect sizes. (SLD)

Descriptors: Effect Size, Hypothesis Testing, Likert Scales, Mathematical Models, Power (Statistics), Predictive Measurement, Regression (Statistics), Research Methodology, Research Problems, Scaling

Publication Type: Journal Articles; Reports - Evaluative

Education Level: N/A

Audience: N/A

Language: English

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Authoring Institution: N/A

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Author Affiliations: N/A