Compared was the performance of nine educable mentally retarded (EMR) children (mean age 9 years) with the performance of 50 normal kindergarten children on a test of visual perception at the abstract level. The test of 17 items involved the dimensions of size, shape, and color at four steps of skill attainment (recognition, discrimination,…

This study examines the relationship between development of a child's ability to coordinate perspective and his ability to conceptualize spatial relations on a map. One hundred and four school children from inner city, urban fringe, and suburban schools, grades K-6, were administered a Test of Coordination of Perspectives and a Test of Map…

A class of preschoolers, aged 44-63 months and grouped according to age, sex, sibling position, family size and the occupation of each parent, were the subjects of a 2-part study to examine preschoolers' perceptions of mothers. In the first part of the study, each child was shown 4 sets of pictures depicting a variety of possible mother figures.…

The rationale and development of a new series of motion picture tests of perceptual abilities of young children are described, and preliminary data regarding their reliability and validity are presented. The data suggests that the film tests are promising new perceptual measurement instruments. (MS)