The author critically reviews the literature on the developmental approach to mental retardation by examining such aspects as motivation, interrupted tasks, probability learning, institutional effect, statistical problems, and Piagetian tasks; and questions whether there is a substantial body of valid evidence supporting claims of…

This study examined the metacognitive developmental patterns of Hong Kong school students. Students rated their own metacognitive competencies by responding to an inventory of six motivational- and cognitive-metacognitive subscales. Results showed that students' metacognitive competencies decreased with age--from primary 4 (age 9) to secondary 5…

Research results reported in this special issue show that egocentricity and staging, both central ideas in the Piaget-Kohlberg account of human development, are myths. The appearance of egocentricity and staging can be accounted for by a subtle combination of ethnocentricity and the effects of inappropriate methodologies. (RM)

Kindergarten, second-grade, fifth-grade, and college subjects were tested in a serial-position recall task under each of four conditions: Visual stimuli/visual recall cue, visual stimuli/auditory recall cue, auditory stimuli/visual recall cue, auditory stimuli/auditory recall cue. Visual stimuli were pictures of common animals and objects;…