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experimental unit

the unit to which an experimental manipulation is applied. For example, if an intervention is applied to a classroom of students, the classroom (not the individual students) is the experimental unit. In quasi-experimental research and other nonexperimental contexts, the term unit of analysis is used instead.

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Psychology term of the day

February 26th 2024



n. a feeling of intense pleasure and elation, including that experienced in some mystical states, during orgasm, with aesthetic reveries, and in drug-induced states. Such extreme euphoria also may occur in the context of a hypomanic episode or a manic episode. —ecstatic adj.


n. the popular name for MDMA.