Jiao was a participant in an observational study, and reactivity occurred.Technically, this means:

Question

Quizplus · Accepted Answer

Reactivity refers to the phenomenon where participants alter their behavior in response to being observed or studied. This can affect the validity and reliability of the study results. Option A is incorrect as it refers to experimenter bias rather than reactivity. Option C refers to a separate issue of public response to the study findings. Option D describes a different type of study altogether, where participants are deliberately manipulated by the researchers.

Jiao Was a Participant in an Observational Study, and Reactivity