The most reliable way of testing whether a newly introduced method of psychological therapy is truly effective is to use
A) survey research.
B) naturalistic observation.
C) correlational research.
D) experimental research.

Question

Quizplus · Accepted Answer

The most reliable way of testing whether a newly introduced method of psychological therapy is truly effective is to use experimental research. This involves randomly assigning participants to an experimental group that receives the therapy and a control group that does not, and then comparing their outcomes to determine whether the therapy had a significant effect. This method allows for a cause-and-effect relationship to be established between the therapy and its effectiveness, as well as controlling for potential confounding factors.

The Most Reliable Way of Testing Whether a Newly Introduced