A problem associated with certain forms of research in which the very act of intruding into people's lives may influence the phenomenon being studied is called

Question

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Reactivity refers to the phenomenon where the subjects being studied alter their behavior because they are being observed or are aware of being part of a research study. This can happen in research that involves intrusive observation or intervention, and can lead to inaccurate or biased results.

A Problem Associated with Certain Forms of Research in Which