Question: 8. You are planning an experiment. You set power at .85 and wish to detect an effect of at 8. least 30 ( 05,

8. You are planning an experiment. You set power at .85 and wish to detect an effect of at 8.

least δ 30 (α 05, two-tailed).

(a) What is the required sample size?

(b) If you were to use dependent samples, is the n in Problem 8a larger or smaller than it needs to be? (Explain.)

(c) If you decided to adopt α 01, is the n in Problem 8a larger or smaller than it needs to be? (Explain.)

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