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Peer reviewedGeary, David C.; And Others – Developmental Psychology, 1991
Over a 10-month period, normal children showed an increased reliance on memory retrieval and a decreased reliance on counting when they solved addition problems. There was an increase in speed of counting and of retrieving addition facts from long-term memory. Children with a mathematical learning disability showed no change in problem-solving…
Descriptors: Addition, Cognitive Processes, Computation, Elementary School Students
