Dr Kendall Is Treating a Group of People Diagnosed with Anxiety

Dr. Kendall is treating a group of people diagnosed with anxiety disorders. At the completion of the treatment program, analyses indicate that the clients are showing statistically significant changes as a result of treatment. Many of the clients, however, still report feeling strong symptoms of anxiety. Which of the following statements is accurate ?

A) Dr. Kendall needs a new operational definition for anxiety.
B) Although the treatment group showed statistically significant changes, the clinical significance of the results is questionable.
C) A study is clinically significant if it is statistically significant.
D) Dr. Kendall's treatment is successful because it has been shown to produce statistically significant changes.