Harris' revision of the Goodenogh Draw-A-Man Test was studied in terms of test-retest reliability, intrascorer reliability, and test ceilings for the subjects. (KW)

Assessment of reliability and validity of the Arthur Adaptation of the Leiter International Performance Scale and the Peabody Picture Vocabulary Test when used with preschool language delayed children showed both stable, but the former much more predictive of later functioning on the WISC and a broader measure of intellectual functioning. (KW)

The questionnaire developed could be used to identify children with behavior difficulties and developmental delay. (MS)

Twenty-one educable mentally retarded subjects were administered the Revised ITPA twice, employing three month intervals. Six criterion instruments were also administered to explore concurrent validity. It was determined that the ITPA is a fairly stable instrument. Validity of the subtests examined was neither confirmed nor disproven. (Author)

A two-stage testing procedure, a routing test followed by one of several alternative second-stage tests, is studied in the situation where the purpose is measurement, not classification. Models are developed, examined, and compared with conventional tests and up-and-down procedures. (DG)