When computing a t-test, it is important to distinguish between directional and nondirectional hypotheses as the direction will determine the rejection regions. Describe how the rejection regions would differ according to the type of hypothesis you would use.

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1. If P = .01, then directional would look for P = .01. If nondirectional, you would look for P = .005 in either direction.

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posted by PsyDAG

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