Comparison of the results of this study with correlations reported by Dahlstrom and Welsh (1960) indicate that the effect of K correction on the intercorrelations among MMPI scales is small compared with that resulting from a change in population. (Author)

Describes an experimental study whose aim was to establish criteria and a method for predicting drop-outs and completions in adult education courses. (AN)

Saunder's routine, Buhler's empirical approximation, and Castellan's series expansion are compared. Saunder's routine was identified as an acceptably accurate method. (PR)

The approach to discipline presented here suggests that optimal classroom discipline is directly related to teacher beliefs regarding pupils, himself, and teaching. (AJ)

The relationship between scores on the Peabody Picture Vocabulary Test-Revised (PPVT-R) and Luria-Nebraska Neuropsychological Battery for Children was examined utilizing 86 normal children, including 55 females and 31 males from middle-class families. Significant relationships were predicted between the PPVT-R and the receptive scale on the…

This Monte Carlo study was designed to investigate empirically the efficacy of three statistical strategies for estimating the relationships in extreme group designs in terms of estimation of correlation, power and mean square error for the correlation. Alf and Abrahams's "covariance information statistic" proved to be the best strategy.…

After factor analyzing teacher evaluations by students into three dimensions, research indicates significant relationships between expected grade and course effectiveness with a non-bias interpretation, and teacher effectiveness and course difficulty with a bias interpretation. The effects of course type on grades and ratings are discussed with…