Multiple Choice
Why might a person's reactivity threaten a study's internal validity?
A) They change their behavior based on realizing others are observing them.
B) They prefer not to be observed as often as the study requires.
C) Researchers ask them to change their behavior to get better results.
D) The study ends early and the person goes home early.
Correct Answer:
Verified
Correct Answer:
Verified
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