The ability of 4th, 6th, and 8th graders to use structures inherent in a list of permuted symbols, defined in terms of Piagetian theory, was investigated. Age differences were noted. Results supported the theoretical notion that environmental event structure facilitates learning. (ST)

Tested the ability of 19 older adults, given additional training in a mental imagination technique, to approach the performance of 16 younger adults on serial word recall tasks. Results indicated that negative age differences in older adults' performance were substantial, resistant to extensive practice, and applicable to all subjects. (BC)