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Chuah, Y. M. Lisa; Maybery, Murray T. – Journal of Experimental Child Psychology, 1999
Used a variance-partitioning procedure to identify age-related and age-invariant components of verbal and spatial memory span in 6- to 12-year olds. Concluded that verbal and spatial short-term memory appear to rely on similar processes when serial recall is required and that development in span is closely tied to increases in processing speed.…
Descriptors: Age Differences, Articulation (Speech), Children, Cognitive Processes
Brainerd, Charles J. – 1974
Studies concerned with the synchronous emergence prediction of Piaget's structures-of-the-whole principle are discussed in conjunction with three groups of concrete-operational skills: (1) transitivity/conservation/class inclusion; (2) double classification/double seriation; and (3) ordinal, cardinal, and natural number concepts. Findings show…
Descriptors: Abstract Reasoning, Children, Classification, Cognitive Processes