If the research hypothesis is true, but the study has a low level of power:
A)there is a high probability that the study will have a significant result
B)the probability of getting a significant result is low
C)the null hypothesis will almost certainly be rejected
D)the significance level selected is probably too lenient (for example, .10 instead of .05)

Question

Quizplus · Accepted Answer

A low level of power means that there is a high likelihood of a Type II error (failing to reject a false null hypothesis). Therefore, even if the research hypothesis is true, the probability of obtaining a significant result is low.

If the Research Hypothesis Is True, but the Study Has