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| Halford, Graeme S. | 1 |
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Peer reviewedHalford, Graeme S. – International Journal of Behavioral Development, 1980
In two separate task conditions, cells of a matrix could be filled either by taking account of only one dimension or by considering both dimensions. Subjects were 80 children 3 to 6 years of age. The majority of three-year-olds failed the two-attribute condition and there was a significant interaction between age and experimental condition.…
Descriptors: Age Differences, Classification, Foreign Countries, Learning Processes
