One-tailed tests will rarely,if ever,result in decisions that are different from two-tailed tests in hypothesis testing.

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One-tailed tests only consider a specific direction of the alternative hypothesis, while two-tailed tests consider both directions. This means that the critical value and the rejection region will be different for one-tailed and two-tailed tests, which can lead to different decisions in hypothesis testing.

One-Tailed Tests Will Rarely,if Ever,result in Decisions That Are Different