Although the accuracy of the diagnosis of cognitive impairment in the elderly depends on the appropriateness of the norms for the neuropsychological tests used, the importance of examining health status, native intelligence, and gender when attempting to describe cognitive changes of aging has received little attention. The Rey Auditory Verbal…

Speeded cognitive processing tasks involving card sorting and reaction time were administered to 141 young adults aged 18 to 33 and to 142 elderly adults aged 58 to 73. Confirmatory factor analysis was unsuccessful, but independent analyses revealed different factors for the two age groups. (Author/GDC)

The Stanford-Binet Intelligence Scale: Fourth Edition is a conceptually new version of this traditional intelligence scale. The new scale has a solid basis in theory, but there is little evidence that the Binet matches its intended theory. This study was designed to determine whether the Binet corresponds to the theory that guided its…

Two paper and pencil group tests were assessed for their ability to classify subjects as concrete or formal operational. The two group tests, Sheehan's (1970) version of Longeot's three subtests and set of three puzzles, were administered to 607 students from ninth- and tenth-grade science and mathematics classes. A subsample of 69 students was…