Multiple Choice
A researcher has already written a study proposal and performed a power analysis, which indicates that the sample size will have to be at least 36, in order to avoid Type II error. The researcher then decides to set the level of significance at p < 0.01 rather than p < 0.05 but wants to maintain power at 0.80. What will the researcher have to do in order to maintain sufficient power?
A) Increase the effect size.
B) Set beta at 0.60.
C) Use a different statistical test.
D) Increase the sample size.
Correct Answer:
Verified
Correct Answer:
Verified
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