In transparent orthographies like German, isolated learning disabilities in either reading or spelling are common and occur as often as a combined reading and spelling disability. However, most issues surrounding the cognitive causes of these isolated or combined literacy difficulties are yet unresolved. Recently, working memory dysfunctions have…

A set of studies investigated the relative importance of operative schemes and figurative (rote) memory. In Study I, 60 concrete operational children from grades 1-4 were asked to reconstruct two types of stimuli from memory. In order to separate the effects of operative and figurative skill use, learning disabled children with poor figurative…

Investigates the role of operative schemes in explaining older children's superior memory on past Piagetian memory tasks. Contrasts were made between the performance of normal v learning disabled grade school children, and between preschool children who either possessed or lacked seriation schemes. (Author/SS)