A researcher reports that stress levels among nurses are higher compared to stress levels in the general population, t(20) = 2.086, p = .05 (d = .12). Was this a one-tailed or a two-tailed test?
A. One-tailed test because the p value is equal to .05.
B. Two-tailed test because the p value is equal to .05.
C. It could be a one- or a two-tailed test.
Ans: B
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