A psychologist wants to know whether there is a cause-effect relationship between how much effort a child expends on completing a puzzle and how much he or she likes it. According to your text, which method should she use?
A) experiment
B) social survey
C) naturalistic observation
D) case study

Question

Quizplus · Accepted Answer

To establish a cause-effect relationship, an experiment is the most appropriate method because it allows the psychologist to manipulate the effort expended on completing a puzzle and measure its effect on how much the child likes it, controlling for other variables.

A Psychologist Wants to Know Whether There Is a Cause-Effect