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Peer reviewedSiegler, Robert S.; Svetina, Matija – Child Development, 2002
This study examined 6- to 8-year-old Slovenian children's acquisition of matrix completion proficiency and compared microgenetic and age-related changes on the task. Microgenetic analyses indicated that: variability of children's errors increased before they discovered the correct strategy, the correct strategy became dominant shortly after…
Descriptors: Age Differences, Children, Cognitive Development, Cognitive Measurement
