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50 Years of ERIC
50 Years of ERIC
The Education Resources Information Center (ERIC) is celebrating its 50th Birthday! First opened on May 15th, 1964 ERIC continues the long tradition of ongoing innovation and enhancement.

Learn more about the history of ERIC here. PDF icon

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Kloo, Daniela; Perner, Josef; Aichhorn, Markus; Schmidhuber, Nicola – Cognitive Development, 2010
In a study with 79 3-year-olds, we confirm earlier findings that separating the sorting dimensions improve children's performance on the Dimensional Change Card Sorting (DCCS) task. We also demonstrate that the central reason for this facilitation is that the two sorting dimensions are not integral features of a single object. Spatial separation…
Descriptors: Perspective Taking, Toddlers, Spatial Ability, Young Children
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Perner, Josef; Sprung, Manuel; Steinkogler, Bettina – Cognitive Development, 2004
The objective of this study was to explore factors that affect the difficulty of counterfactual reasoning in 3-5-year-old children and to shed light on the reason why counterfactual reasoning relates to understanding false belief [Cognitive Development, 13 (1998) 73-90]. Using travel scenarios, the difference between simple scenarios, in which…
Descriptors: Cognitive Development, Thinking Skills, Beliefs, Preschool Children
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Clements, Wendy A.; Perner, Josef – Cognitive Development, 1994
Implicit understanding of false belief was investigated by monitoring where preschoolers looked in anticipation of a protagonist reappearing, when the protagonist mistakenly thinks that his desired object is in a different place from where it really is. Two-year olds erroneously looked at the object's real location whereas most older children…
Descriptors: Age Differences, Beliefs, Cognitive Development, Developmental Stages