A discussion of learning potential among educable retardates reflects the author's findings that some solved difficult problems on the Kohs block designs, some did not do well at first but improved after coaching, and some did not do well before or after coaching. Additional studies of these highscorers, gainers, and nongainers are cited which…

Evaluated were variables effecting the differential performance of 627 educable mentally retarded Ss (mean age 14.5 years) on a test-train-retest task designed to measure learning potential. Family, social, health, schooling, and testing data were collected for the Ss of which 75% were students in public school special classes and 25% were…