Adolescent cannabis use is associated with working memory impairment. The present randomized controlled trial assigned adolescents ages 14 to 21 enrolled in cannabis use treatment to receive either working memory training (experimental group) or a control training (control group) as an adjunctive treatment. Cognitive function, drug use, and other…

First, third, fifth and eleventh graders were videotaped as they completed the Block Design Subtest of the WISC-R. Neither the order of placement of blocks within each design nor the degree to which children persisted in placing a given block correctly before moving to the next one evidenced developmental differences. (Author/RD)

Objective: To characterize the late adolescent and young adult outcomes of girls diagnosed with ADHD in childhood. Method: The study included 58 women from a larger longitudinal study of ADHD. A total of 34 (M = 19.97 years old) met "DSM" criteria for ADHD in childhood, whereas the remaining 24 (M = 19.83 years old) did not. Self- and…

Speed of performance on the Revised Block Design, Picture Arrangement, and Object Assembly subtests of the Wechler Intelligence Scale for Children was related to chronological age and problem-solving ability. Speed assumed a steadily increasing role with increasing age. Children who solved the items quickly were better problem solvers. (Author)

The Wechsler Intelligence Scale for Children-Revised (WISC-R) was administered to (N=72) elementary school children. Compared three methods of pretest rapport establishment for each of two age groups. Results found no significant differences on WISC-R scores as a result of the interaction of age and familiarity conditions. (Author)

Examines the effects of token rewards on the Weschler Intelligence Scale for Children-Revised performance of white, first, second, fourth, and fifth grade students of low socioeconomic status. Results indicated that the experimental group scored significantly higher than the control group. A significant difference was also found for grade level,…

Three third-grade, three sixth-grade, and three adult female examiners tested 108 kindergarten and third-grade girls, half of whom were familiar to them, on three individually administered measures. No differences in performance on any measure as a function of familiarity were found at either grade level. No differences by examiners of different…

Elementary school children in three grade groups (Grades K/1, 3, and 5/6) completed either the auditory or the visual 1/9 vigilance task from the Gordon Diagnostic System (GDS) as well as subtests from the Wechsler Intelligence Scale for Children--Third Edition and auditory or visual processing subtests from the Woodcock-Johnson Tests of Cognitive…

The reliability and validity of three short forms of the Wechsler Intelligence Scale for Children III (WISC-III) were compared. Each of the short forms was a tetrad composed of two verbal and two performance subtests. The first tetrad was selected based primarily on practical considerations, particularly its brevity to administer and score. The…

Normal black adolescents were given neuropsychological tests of brain damage, and the interpretation of these tests was reviewed with respect to culturally relevant data. Subjects were 50 male and 50 female black students, aged 12-13, with no history of central nervous system trauma, and average scores on the Wechsler Intelligence Scale for…