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unobtrusive measure

a measure obtained without disturbing the participant or alerting him or her that a measurement is being made. For example, a researcher may observe passersby in a public park from a nearby café and document their activities. The behavior or responses of such participants are thus assumed to be unaffected by the investigative process or the surrounding environment. Also called concealed measure; nonreactive measure. Compare reactive measure.

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Psychology term of the day

May 9th 2024