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privation

n. absence of something needed or desired, particularly something required to satisfy essential physiological needs, such as those for food and sleep. Privation is distinct from deprivation, which involves the initial presence and then removal of such requirements.

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Psychology term of the day

September 8th 2024

drift

drift

n.

1. a reduction in variation in genetic traits that can occur when sampling from continually smaller groups, such that some traits ultimately become excluded from possibility.

2. a reduction in the reliability of technical instruments orin the accuracy of observers over time. See instrument drift; observer drift.