pendulum problem

a Piagetian task used to assess cognitive development. The participant is asked to work out what governs the speed of an object swinging on a piece of string. The ability to systematically examine the variables (length, weight, force of drop, height of drop) generally appears in early adolescence and is evidence of hypothetico-deductive reasoning, which marks the formal operational stage of development.

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Psychology term of the day

May 9th 2024

D-cognition

n. see being cognition.