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Layer, Stacy A.; Hanley, Gregory P.; Heal, Nicole A.; Tiger, Jeffrey H. – Journal of Applied Behavior Analysis, 2008
This study sought to determine the accuracy of an assessment format in which selection outcomes were delayed and probabilistic; these are unavoidable features of an assessment designed to determine preferences of multiple children simultaneously. During the single arrangement, preference hierarchies were established by having a child repeatedly…
Descriptors: Student Evaluation, Preschool Children, Probability, Paired Associate Learning
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Dewar, Kathryn; Xu, Fei – Developmental Psychology, 2007
In 3 experiments, 9-month-old infants' expectations for what distinct count noun labels refer to were investigated. In Experiment 1, a box was opened to reveal 2 objects inside during familiarization: either 2 identical objects or 2 different objects. Test trials followed the same procedure, except before the box was opened, the contents were…
Descriptors: Nouns, Infants, Expectation, Familiarity