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Question

 A researcher conducts a study to determine if there is an association

between time spent in solitary confinement and depression rates in 120 male prisoners. The alpha is 0.05, and the power is 0.80.


31.If time spent in solitary confinement is measured in total hours, what level of measurement is this variable?


32.If depression is measured on a scale with values from 1 to 10, what level of measurement is the variable?


33.What would be the appropriate correlation test, and why?


34.The study reports that r = 0.4. What does this mean in plain English?


35.How much of the variance in depression is explained by hours in solitary confinement?


36.If p = 0.07, is the correlation significant? Why or why not?


37.If the hypothesis decision is incorrect, what type of error could it be?


38.If instead the study measured time in solitary confinement as none, infrequent, or regular, what level of measurement would it be?


39.Would this change the correlation test you would recommend? Why or why not?

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