Beery's Developmental Test of Visual-Motor Integration was individually administered to 193 school-age children. Four factors were obtained, indicating that the test does not measure a unitary dimension of perceptual-motor development, but rather four distinct levels or stages for the age range of children investigated. (Author/ABB)

Construct validity of the Wechsler Intelligence Scale for Children-Revised using 189 Black, 184 Hispanic, and 187 White 6- to 11-year-olds was investigated. A two-factor solution yielded similar loadings corresponding to verbal comprehension and perceptual organization for all three groups. Three-factor solutions yielded similar loadings for…

A total of 125 white children from three counties in Georgia (selected as representative of small rural and medium and large industrial urban populations) were administered a battery of tests in three phases of their schooling: (1) during the summer preceding their admission to the first grade, (2) near the end of the first grade, and (3) near the…