The TAMA was designed specifically for the Longitudinal Study as a nonverbal test of general knowledge. The test requires the child to point to the correct picture among three alternatives in response to a question. The two practice items and 25 test items are printed on bound cards, mostly in black and white. Items can be classified as follows:…

In order to determine the differential ability of mildly retarded school children to profit from coaching on non-verbal, non-academic reasoning problems and to study their problem solving and conceptual behavior, the Raven Coloured Progressive Matrices Test was given to 72 educable students (IQ 55 to 80) in socioeconomically homogeneous suburban…