Examlex
Subject attrition refers to new individuals gained during a study.
Number Conservation
The understanding that the quantity of a set of items is unchanged even when its appearance is altered, a concept developed in childhood.
Discrete Items
Individually separate and distinct elements or entities, often used in the context of data points or inventory.
Cognitive Tasks
Activities or exercises designed to assess or improve mental processes such as memory, reasoning, and problem-solving.
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