Adolescents defined as educable retarded who have demonstrated their ability to profit from experiences (highscorers and gainers) were hypothesized to perform more adequately than nongainers on the Stroop Color-Word interference task. The tasks were administered on three successive days to each subject in the following order: color, word,…

Eight severely retarded subjects (ages 9-22), four with functional language and four without, performed identity and nonidentity matching tasks employing objects, photographs, and line drawings. As representational complexity increased, greater difficulty in matching stimuli was observed in the nonfunctional language group, with line drawings…

The research concerned the association of neutral objects, such as nonsense syllables, with rewards, such as money and candy, in children. Thirty-six subjects were obtained from grades two through six of local public elementary schools in Nashville, Tennessee. Associations between neutral objects and rewards were formed in a task concerning…