Reactivity can influence:
A) The ecological validity of a study
B) The internal validity of a study if it varies across comparison groups
C) Both ecological and internal validity of a study
D) Neither ecological nor internal validity

Question

Quizplus · Accepted Answer

Reactivity can affect both ecological validity, as it may alter the natural behavior of participants, and internal validity, if the reactivity varies across different groups being compared in a study.

Reactivity Can Influence