When administered to 125 deaf youngsters, ages 5-12, the WISC performance test had good reliability and predictive validity, but administration to some young or physically handicapped children proved difficult. The Colored Progressive Matrices proved satisfactory with older subjects, but its suitability for younger deaf children was not confirmed.…

The efficacy of Raven's Matrices in the gifted identification process is reviewed, focusing on their reliability, validity, and fairness and comparing them with other intelligence tests. It is concluded that, despite problems with narrowness of scope and standardization practices, these tests provide a useful screening device for intellectually…

Recent results relating to the stability of scores on the Raven Progressive Matrices Test for different subgroups within and between the United Kingdom, United States, and other Western societies are summarized. Despite the continuous increase in scores over time, differences between socioeconomic and ethnic groups remain. (TJH)