Research on logical competence in adulthood was framed by the general competence-moderator-performance model of life span cognitive development constructed by Overton and his colleagues. This approach was able to distinguish between logical knowledge necessary for task solution and informational processes that may facilitate or inhibit the…

This study examined the cognitive skills and attitudes toward self and others in samples of independent seniors and young men and women. Three proceedings were used to address questions of age or gender differences. Study 1 (N=95) compared the scores of older adults (approximate age range, 64-95 years) on the Silver Drawing Test of Cognition and…

The aim of this study was to investigate the strategies leading to test item responses in 60 young (20-25 years) and 60 middle-aged (35-40 years) adults, whose highest level of education had been either secondary, technical or university. Subjects were individually administered a 12 item test similar to Raven's Progressive Matrices, and were…