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Diedrich, Frederick J.; Highlands, Tonia M.; Spahr, Kimberly A.; Thelen, Esther; Smith, Linda B. – Journal of Experimental Child Psychology, 2001
Evaluated in three experiments a dynamic systems theory account of perseverative errors on "A-not-B" task. Found that 9-month-olds perseverated when reaching for identical targets, but made nonperseverative responses when reaching in the presence of a highly distinctive B target. Reach direction was jointly determined by target's…
Descriptors: Cognitive Development, Cues, Error Patterns, Infant Behavior
Decarie, Therese Gouin – 1973
The research reported in this symposium paper attempts to underline a Piagetian distinction concerning object concept which has tended to be ignored by psychologists working along Piagetian lines. More specifically, this research tested the hypothesis that intellectual development plays a role in the development of stranger reactions. The subjects…
Descriptors: Behavior Patterns, Behavior Rating Scales, Developmental Psychology, Discrimination Learning