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time-of-measurement effect

an effect that is due to the social and historical influences present at the time a measurement is made. These effects are difficult to separate from age effects in longitudinal designs.

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Psychology term of the day

May 8th 2024

morula

morula

n. an early stage of embryological development, extending from the first cleavage of the zygote until the blastula is formed by further divisions of daughter cells.