ABSTRACT
Koutstaal, W., & Rosenthal, R. (1994).  Contrast analysis in behavioral research.  In J. Brzezinski (Ed.), Poznan Studies in the Philosophy of the Sciences and the Humanities:  Vol. 39.  Probability in Theory-Building:  Experimental and Non-Experimental Models of Scientific Research in Behavioral Sciences (pp. 135–173).  Amsterdam:  Rodopi.
Several methods of computing contrasts are reviewed and compared.  Approaches to contrast analysis in both between-subjects and repeated-measures designs are demonstrated.  The versatility, precision, and enhanced statistical power achieved through contrast analysis are emphasized. 


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