This study investigated some relationships between age, socioeconomic status (SES), and cognitive task performance among 120 Canadian children from Grades 1 and 4. Subjects were administered a battery of tasks, including Raven's Colored Progressive Matrices and Peabody Picture Vocabulary Test, which differed in transformational requirements and…

This project examined the hypothesis that different background experiences associated with cultural grouping may lead to differences in test-taking strategies which result in score differences extraneous to the abilities the test is intended to measure. Its purposes were to confirm (or disconfirm) the cultural differences hypothesis and to provide…

This study investigated the effects of prompting, or directing/controlling attention, during a reasoning task on the performance of 68 children with attention deficit disorders, learning disabilities, or no handicaps, in grades 1-12. All groups benefited from prompting, and prompting was related to a different set of cognitive processes in each…

The aim of this investigation was to develop a justifiable and efficient procedure for locating the top two percent of the eighth grade students in an inner-city junior high school. The WISC performance IQ was chosen as the criterion measure. Four screening measures were used to select students for the WISC: an achievement test (the California…