Two experiments were used to investigate the scope of imitation by testing whether 36-month-olds can learn to produce a categorization strategy through observation. After witnessing an adult sort a set of objects by a visible property (their color; Experiment 1) or a nonvisible property (the particular sounds produced when the objects were shaken;…

This evaluation of the 1988-89 Instrumental Enrichment (IE) program in selected special education classrooms in Detroit (Michigan) found that the program was partially successful in achieving its goals. IE uses a series of paper-and-pencil exercises and follow-up discussions to increase participants' academic achievement, improve behavior, and…