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A monte carlo experiment was used to evaluate four procedures for estimating the population squared cross-validity of a sample least squares re gression equation. Four levels of population squared multiple correlation (R p 2 ) and three levels of number of predictors (n) were factorially crossed...
Evidence for the construct validity of the Sen tence Completion Test of Ego Development (SCT), some of it previously unpublished, is reviewed. The substantive component is substantiated both by in tuitive plausibility and by the fact that rating skill can be communicated through written...
The hierarchical structure of the formal opera tional period of Piaget's theory of cognitive develop ment was explored through the application of or dering theoretic methods to a set of data that sys tematically tapped the various formal operational schemes. The results suggest that the tasks...
A simulation study of the effectiveness of four item characteristic curve estimation programs was conducted. Using the three-parameter logistic model, three groups of 2,000 simulated subjects were administered 80-item tests. These simulated test responses were then calibrated using the four...
The present study compared the results obtained from three different procedures for obtaining self- reports of behavioral consistency versus inconsis tency : (1) the traditional bipolar rating scale; (2) the Nisbett, Caputo, Legant, and Maracek (1973) pro cedure whereby subjects check the term,...
The present study examined the relationship be tween anxiety and learning within the context of drive theory and trait-state anxiety theory. It was hypothesized that trait anxiety (A-trait) would in fluence state anxiety (A-state), which in turn would influence academic achievement. The subjects...
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