Which of the following will increase the power of a statistical test?
a. Change Ą from .05 to .01.
b. Change from a one-tailed test to a two-tailed test.
c. Change the sample size from n = 100 to n = 25.
d. None of the other options will increase power.

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  1. Choose d.

    None of the other choices are correct.

    Choice a: should read change alpha from .01 to .05.

    Choice b: should read change from a two-tailed test to a one-tailed test.

    Choice c: should read change sample size n = 25 to n = 100.

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