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Johnson, Carl Nils; Kendrick, Kimberly – Developmental Psychology, 1984
Concepts of body parts and their relationships were assessed in children ages three, four, and five, as well as in adults. Three specific questions were addressed: (1) What do children understand about such "partonomic" relations? (2) Is there an order in the acquisition of partonomic concepts? and (3) Do children exhibit any confusions in their…
Descriptors: Body Image, Cognitive Structures, College Students, Concept Formation
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Johnson, Scott P.; Aslin, Richard N. – Developmental Psychology, 1995
Examined perception of object unity in partial occlusion in 72 infants. Recorded how long subjects looked at a display of complete and incomplete rods. In test and control conditions, infants looked longer at broken rods than at complete rods, suggesting that infants' cognitive, visual, or attentional skills may be insufficient to support…
Descriptors: Attention, Attention Span, Cognitive Development, Cognitive Processes