Multiple Choice
A researcher reports that the mean difference in the body weight of rats following a pharmacological versus control treatment is 14 g,with a pooled sample variance equal to 256.What is the effect size for this test using estimated Cohen's d?
A) d = 0.06; small effect size
B) d = 0.08; small effect size
C) d = 0.88; large effect size
D) There is not enough information to answer this question.
Correct Answer:
Verified
Correct Answer:
Verified
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