Question: I designed a study aimed at assessing whether or not regular deliberate cold exposure decreased chronic anxiety levels in humans. List a null hypothesis, an

I designed a study aimed at assessing whether or not regular deliberate cold exposure decreased chronic anxiety levels in humans. List a null hypothesis, an alternative hypothesis, a one-tailed hypothesis, and a two tailed hypothesis for this experiment.

I believe adults that were spanked as children will show higher rates of incarceration than adults who weren't spanked as children. Is this hypothesis one-tailed or two-tailed?

I believe there to be a difference in average height between men and women. Is this a one tailed or two tailed hypothesis?

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