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A researcher is investigating how social interactions with neighborhood pets affects a person's stress. With set at .05, effect size is predicted to be 0.5,
A researcher is investigating how social interactions with neighborhood pets affects a person's stress. With set at .05, effect size is predicted to be 0.5, and power set to .85 to reduce the Type II error. What sample size will be needed if the researcher is planning a two-tailed study design? a. 156 b. 21 c. 36 d. 38
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Discrete Mathematics and Its Applications
Authors: Kenneth H. Rosen
7th edition
0073383090, 978-0073383095
