# For a 5-point treatment effect, a researcher computes power of p = 0.50 for a two-tailed hypothesis test with α = .05. a. Will the power increase or decrease for a 10-point treatment effect? b. Will the power increase or decrease if alpha is changed to α = .01? c. Will the power increase or decrease if the researcher changes to a one-tailed test?

### Essentials of Statistics for the B...

8th Edition
Frederick J Gravetter + 1 other
Publisher: Cengage Learning
ISBN: 9781133956570

### Essentials of Statistics for the B...

8th Edition
Frederick J Gravetter + 1 other
Publisher: Cengage Learning
ISBN: 9781133956570

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Chapter 8.6, Problem 2LC
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