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Mallinckrodt, Brent; Abraham, W. Todd; Wei, Meifen; Russell, Daniel W. – Journal of Counseling Psychology, 2006
P. A. Frazier, A. P. Tix, and K. E. Barron (2004) highlighted a normal theory method popularized by R. M. Baron and D. A. Kenny (1986) for testing the statistical significance of indirect effects (i.e., mediator variables) in multiple regression contexts. However, simulation studies suggest that this method lacks statistical power relative to some…
Descriptors: Statistical Significance, Multiple Regression Analysis, Simulation, Evaluation Methods
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Birks, Stuart; Lage, Maureen J.; Treglia, Michael – Journal of Economic Education, 1998
Maintains that there is an inconsistency in the regression analysis of the data presented in Maureen J. Lage and Michael Treglia's 1996 article, "The Impact of Integrating Scholarship on Women into Introductory Economics." The authors admit the error, correct it, and report no difference in their original conclusions. (MJP)
Descriptors: Classroom Environment, Criticism, Curriculum Development, Data Analysis