Multiple Choice
A researcher studying the effect of a dietary supplement on sleep finds that research participants who take the supplement sleep an average of 7 hours and 25 minutes per night, while participants who were given a placebo pill with no active ingredients in it sleep for an average of 7 hours and 20 minutes. These findings are clearly
A) statistically significant.
B) not clinically significant.
C) not valid.
D) clinically significant.
Correct Answer:

Verified
Correct Answer:
Verified
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