Research supported by grants HD-01888 and HD-01136 from the National Institute of Child Health and Human Development, and grant No. GS-541 from the National Science Foundation.

Results showed that kindergarten children remember best under conditions in which both verbal and nonverbal stimulus cues are available. (Author)

Previous experiments with nursery school children have suggested that (1) subjects of preschool age do not verbalize during transfer learning or that (2) for these subjects, self-produced verbal cues have little influence on the learning process. To investigate the relative merits of these alternative positions, research was conducted among 80…

The effects of prompting and confirmation on automated presentation of materials in discrimination learning were studied. Eight pairs of words or pictures were presented to 48 mentally retarded subjects (mean IQ 63, mean chronological age 163.4 months, mean mental age 103.3 months). Each subject's correct responses advanced the program and, in the…

Three experiments tested whether qualitative differences in processing of verbal materials result from congenital hearing impairment. Subjects were children with reading levels equivalent to grades 4 to 6. Experiment 1 used repeated measurements with two modes of response and two kinds of cues; experiment 2 used acoustic similarity to produce…