Individuals' perceptions of their own level of cognitive ability are expressed through self-estimates. They play an important role in a person's self-concept because they facilitate an understanding of how one's own abilities relate to those of others. People evaluate their own and other persons' abilities all the time, but self-estimates are also…

Because diagnostic capability of the WISC-R has remained in doubt, its diagnostic suitability was assessed by applying Kelley's method of estimating the proportion of score differences in excess of chance to the original subscales, Bannatyne clusters, and Kaufman's three factor groupings. Caution should be used when applying WISC-R diagnostically.…

In fall 1986, a study was conducted at Florence-Darlington Technical College (South Carolina) to measure the reliability and validity of the TEC-MAT, a newly developed entrance test. The TEC-MAT instrument, a criterion-referenced test consisting of 100 items assessing numerical skills, was field tested among a group of entry-level freshmen already…