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Peer reviewedBerry, P.; And Others – Journal of Child Psychology and Psychiatry and Allied Disciplines, 1984
A lock box for investigating preschool children's problem-solving behavior was used with 17 Down syndrome children and 17 normal children, all of whom had a mean age of 37.4 months. Small children showed greater competence, more organization, and less perseverance than those with Down syndrome. (RH)
Descriptors: Downs Syndrome, Foreign Countries, Longitudinal Studies, Mental Age
Burgon, J. R. – 1990
The differences in raw scores between two versions of the Standard Progressive Matrices Test (SPM) and differences in available norms for one version and the currently studied population were investigated. The SPM was originally designed to measure the general factor of intelligence unrestrained by language. Scores for the untimed SPM version…
Descriptors: Adolescents, Comparative Testing, Correctional Institutions, Correctional Rehabilitation
