When research subjects change their behaviors after becoming aware of an experimental researcher's presence, it is referred to as:

Question

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Reactivity refers to changes in behavior due to being studied. When people know they are being observed in an experiment, they might behave differently than they would in a natural setting. This can impact the results of the study if the researcher is not accounting for this potential bias. Maturation refers to changes over time that occur naturally and could impact the results of a study. Mortality refers to participants dropping out of a study before it is completed. Regression refers to the tendency for extreme values to move closer to the average over time.

When Research Subjects Change Their Behaviors After Becoming Aware of an Experimental