Professor Wakelin has developed a new form of therapy that he believes cures anxiety.Sixty-three percent of the people who go through his program improve.A problem with his research study is:
A)it lacks a control condition.
B)it lacks a well-developed hypothesis.
C)over thirty percent of the people did not improve.
D)he conducted an experiment when he should have done a laboratory observation.

Question

Quizplus · Accepted Answer

The problem with the research study is that it lacks a control condition. Without a control group, there is no way to determine if the therapy is actually causing the improvement or if it is due to other factors. Therefore, the results cannot be attributed solely to the therapy.

Professor Wakelin Has Developed a New Form of Therapy That