Theorists
Esther Thelen – 1941 2004
A comprehensive academic analysis of Esther Thelen (1941–2004), pioneer of dynamic systems theory in infant...
# A-Not-B Error
3 results
Experiments
The Object Permanence in Dogs and Wolves Experiment – József Topál
A comprehensive academic analysis of József Topál's seminal comparative experiments on object permanence and the...
September 16, 2026
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Dr. Mohammed Looti
Experiments
The A-Not-B Error Task – Jean Piaget
A comprehensive academic analysis of Jean Piaget's A-Not-B error task, exploring cognitive development, motor perseveration,...
September 12, 2026
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Dr. Mohammed Looti