To test whether people in bars drink more when they are in groups than when they are alone, researchers visited all the pubs in a city. They ordered beers and recorded observations on napkins and pieces of newspaper. Why did they keep their identities in disguise?
A) They were conducting a double-blind study.
B) They wanted to make sure the study had test-retest reliability.
C) They needed to determine the experimenter effects in the study at a later point in time.
D) They wanted the people they were observing to behave naturally.

Question

Quizplus · Accepted Answer

By keeping their identities in disguise, the researchers wanted to ensure that the people they were observing would behave naturally without altering their behavior for the sake of the study. This is known as the observer effect, where the presence of an observer can influence the behavior of those being observed. Keeping their identities in disguise can minimize this effect and help ensure the validity of the study.

To Test Whether People in Bars Drink More When They