Discusses the patterns of mental development of 350 pairs of twins studied longitudinally from 11/2-6 years of age. (DP)

In a rebuttal to w. Graves, who associated faulty research design and statistical regression with IQ drop of 19 kindergarten Children in a study of J. Jacobs, Jacobs states that he used a statistical correction for the regression effect and that the significant decrease in measured intellectual ability remained. (MC)

Just as the Raven Progressive Matrices Test was uncorrelated in this sample with other measures of intelligence so was it much less well predicted from several information processing measures. It was found that verbal performance, indicated by a vocabulary score, was highly predictable from measures of information processing. While preserving…

In order to compare the Wechsler Intelligence Scale for Children--Revised (WISC-R) and the Renzulli-Hartman Scale for Determination of Gifted Placement, 192 potentially gifted elementary students were rated on both tests. A correlation matrix indicated that one of the four subscales of the Renzulli-Hartman Scale, the Learning Characteristics…

Normative data were collected for the generation of responses to 150 incomplete verbal analogies. Two types of normative data are provided: (a) the probabilities associated with each response produced for each analogy base and (b) the probabilities that initial responses represented the appropriate semantic relationship, with a division of…

Wechsler Adult Intelligence Scale (WAIS) patterns can be tied feasibily to personality descriptions. A method is presented for the actuarialstudy of WAIS patterns. (Author/DEP)

In this study only bias in scoring, controlling for the effect of actual administration, was investigated. Results indicated that scoring the WISC was biased by scorers' expectations, and that the bias effect exists independent of actual administration of the test. (Author)