Multiple Choice
A researcher reports that the mean time it takes to complete an experimental task is 1.4±8.0 (M±SD) seconds.If the null hypothesis was that the mean equals 1.0,then what is the effect size for this test using estimated Cohen's d?
A) d = 0.05;small effect size
B) d = 0.50;medium effect size
C) d = 1.05;large effect size
D) There is not enough information to answer this question.
Correct Answer:
Verified
Correct Answer:
Verified
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