An Analysis of Ghiselli's Moderator Variable
- 1 October 1969
- journal article
- research article
- Published by SAGE Publications in Psychological Reports
- Vol. 25 (2) , 519-527
- https://doi.org/10.2466/pr0.1969.25.2.519
Abstract
A mathematical model for Ghiselli's moderator variable and index of predictability is developed. From this mathematical structure, conclusions and implications are drawn concerning the use of moderators in multiple regression and suppression. In addition, guides are given as to when and where to look for moderators. Finally, the structure is related to Wiggins' “components of variance” in order to show how moderator and index of predictability situations might arise.Keywords
This publication has 4 references indexed in Scilit:
- Moderating effects and differential reliability and validity.Journal of Applied Psychology, 1963
- Strategic, method, and stylistic variance in the MMPI.Psychological Bulletin, 1962
- Differentiation of Tests in Terms of the Accuracy with which they Predict for a Given IndividualEducational and Psychological Measurement, 1960
- The Prediction of PredictabilityEducational and Psychological Measurement, 1960