Which statement about clinical and statistical significance is accurate?
a. It's more common for study findings to show clinical significance than statistical significance.
b. Large samples can produce statistical significance without showing clinical significance.
c. Statistical significance has greater practical value than clinical significance.
d. If there is statistical significance, we can assume there is clinical significance.
Question 2
A large school district introduces a new reading program into one-half of its first-grade classrooms. Three years later, the reading scores of the 10,000 children in the new program average 3 points higher on a 100-point test than the scores of the 10,000 children who did not get the program. Although 3 points is statistically significant, the problem with saying that the program was a great success is that ____.
a. the samples are too small to assess clinical significance
b. the reading test is probably not reliable
c. three points on the reading score is probably not clinically significant
d. there was no control group
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