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Statistical Inference
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Statistical power
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291.
Factors That Increase Power
easy
Which of the following changes will increase the statistical power of a hypothesis test?
A
Increasing the sample size while keeping all other factors fixed
B
Decreasing the significance level α from 0.05 to 0.01 while keeping sample size fixed
C
Increasing the variance of the outcome variable by collecting more heterogeneous samples
D
Switching from a one-tailed to a two-tailed test for the same hypothesis
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