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.
Question 2
When is clinical significance most likely to be minimal while statistical significance is quite large?
a. when the sample size is very large
b. when the sample size is very small
c. when the base rate is very large
d. when the base rate is very small
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