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Shuwairi, Sarah M.; Tran, Annie; Belardo, John; Murphy, Gregory L. – Infant and Child Development, 2020
Prior work showed that infants look longer at impossible figures than possible ones, although it is unclear whether they or older children understand "impossibility." We employed a series of matching and sorting tasks with pictures and objects to evaluate children's knowledge of this dimension. In Experiment 1, nearly all children…
Descriptors: Concept Formation, Spatial Ability, Preschool Children, Error Patterns
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Coldren, Jeffrey T.; Colombo, John – Infant and Child Development, 2009
The purpose of this experiment is to test whether shift flexibility in kindergarten children is a joint function of rule-usage and inhibition of attention. Sixty-six children were given either a distraction or facilitation condition in a computerized version of the dimensional change card sort task. In the distraction condition, the background of…
Descriptors: Kindergarten, Young Children, Inhibition, Attention