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Interactions Among Group Regressions: Testing Homogeneity of Group Regressions and Plotting Regions of Significance
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Borich, Gary D. – Educational and Psychological Measurement, 1971
Descriptors: Computer Programs, Hypothesis Testing, Interaction Process Analysis, Predictor Variables
Homogeneity of Slopes Test for Multiple Regression Equations with Reference to Aptitude-Treatment Interactions.
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Borich, Gary D. – 1971
Methods exist for testing the homogeneity of group regression for the case in which there is only one predictor. Studies which have investigated aptitude-treatment interactions have adopted the homogeneity of regressions test as standard methodology for assessing the difference in regression slopes across treatments. Additional statistical…
Descriptors: Analysis of Covariance, Correlation, Interaction, Interaction Process Analysis