When observational data are being collected, the observer's presence may cause a person to behave differently, a phenomenon known as

Question

Quizplus · Accepted Answer

Reactivity is the phenomenon wherein the observer's presence influences the behavior of the person being observed. The other choices, such as structuring and recording, do not refer to this specific issue of the observer's influence on the observed behavior.

When Observational Data Are Being Collected, the Observer's Presence May