Gross Motor Observations is a test for preschool children which measures motor skills. Individual administration takes only two to three minutes and items are scored 0-3, low to high. The child is asked to perform a series of simple physical tasks which reveal the level of his motor ability. No skill is required for either administration or…

The present study was designed to (1) investigate the changes in the structure and organization of mental abilities during childhood and adolescence of 514 students as sampled by the Wechsler Intelligence Scale for Children (5 to 15 years) and the Wechsler Adult Intelligence Scale (16 to 18 Years) and (2) interpret, and possibly modify, the…

The score distributions of the two methods of administration described in the title revealed comparable means, standard deviations, and general shape of distribution. With respect to validity coefficients, no appreciable differences were found. (JKS)