The most foolproof way of testing whether a newly introduced method of psychological therapy is truly effective is to use

Question

Quizplus · Accepted Answer

Experimental research allows for the manipulation of variables, random assignment of participants to groups, and control of extraneous variables, thereby allowing for the determination of cause-and-effect relationships. This would be the best way to test the effectiveness of a new method of psychological therapy. Surveys, naturalistic observation, and correlational research do not provide the same level of control and manipulation of variables, making it difficult to determine true causality.

The Most Foolproof Way of Testing Whether a Newly Introduced