Most experts believe that for certain types of psychological problems, some treatment approaches are more effective than others. martin seligman asserts that obsessive-compulsive disorder responds best toa. behavior therapy or medication. b. group therapy. c. cognitive therapy. d. systematic desensitization.

C. cognitive therapy.

Explanation:

Cognitive therapy: The term cognitive therapy is defined as a focused, goal-oriented and comparatively short-term psychotherapy to treat several psychological problems or disorders, for example, anxiety, panic, depression, substance abuse, dependence, marital conflict, anger issues, alcohol abuse, personality problems, and eating disorders, etc.

It generally focuses on the practical approach or perspective to solve problems. The psychotherapist or psychologist helps the client to change the pattern of his or her thinking and modify it to a more rational way to think or behave.

In the question above, the statement signifies the use of cognitive therapy.