If a counseling psychologist wants to know if doubling the number of counseling sessions attended by students experiencing severe test anxiety will reduce or increase the amount of anxiety the students report just before a test, the statistical test the psychologist would use would be.

two-tailed because the direction of the effect of increasing the amount of therapy is not predicted

Explanation:

If a counseling psychologist wants to know if doubling the number of counseling sessions attended by students experiencing severe test anxiety will reduce or increase the amount of anxiety the students report just before a test, the statistical test the psychologist would use would be two-tailed because the direction of the effect of increasing the amount of therapy is not predicted

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