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Testing the Identity of Trends under the Restriction of Monotonicity in Repeated Measures Designs

Published online by Cambridge University Press:  01 January 2025

Huynh Huynh
Huynh Huynh*
Affiliation:
University of South Carolina
*
Requests for reprints should be sent to Huynh Huynh, College of Education, University of South Carolina, Columbia, South Carolina 29208.
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Abstract

Procedures are described for the analysis of profiles of means in repeated measures designs under order restriction for patterns of mean change. The exact likelihood ratio is derived for the case of two groups of subjects, and a computationally simple alternative to the exact likelihood ratio test is provided for designs involving more than two groups. Tables of critical values are provided for the case of simple-order alternatives.

Keywords

order restrictionstrend analysisrepeated measures designsprofile analysisordered interaction
Type
Original Paper
Information
Psychometrika , Volume 46 , Issue 3 , September 1981 , pp. 295 - 305
Copyright
Copyright © 1981 The Psychometric Society

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Footnotes

The author wishes to thank Joseph C. Saunders for his editorial assistance.

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