The present study was designed to examine the construct validity, reliability, item difficulties, discrimination indices, effectiveness and efficiency of the CCAT test. (Author)

The mental growth patterns of 204 children were investigated on four different test occasions covering a five-year period, ages six to 11. There is no evidence of intellectual differentiation after age six nor is there a systematic decline in size of WISC subtest intercorrelations with increasing age. (Authors)

The attitudes of 600 second year and fifth year grammar school pupils towards their school subjects were investigated using a repertory grid developed specifically for this purpose. (Editor)

Results of the investigation suggest that the facet-factorial approach can be an effective technique for the construction of rating scales to measure complex behavior such as music performance. (Author)

Three tables are provided to aid in the clinical interpretation of factor scores for the Wechsler Adult Intelligence Scale-Revised (WAIS-R; 1981). The factor structure of the WAIS-R has proven to be robust across samples, tests, time, statistical analyses, measurement scales, and distortions of the distribution. Information necessary to make…

New academic self-concept measures were used to assess self-concepts for 234 boys in grades 5 and 6 (13 subjects) and 524 boys in grades 7 through 10 (16 subjects) at a Catholic boys school in Sydney (Australia) and to test the Marsh/Shavelson model. Academic self-concept is remarkably subject specific. (SLD)