In statistics, we cannot state that the research hypothesis is ever definitely false. However, if one fails to reject the null hypothesis in a study with a high level of power, this allows us to:
A)suspect that the research hypothesis may still be true
B)conclude that the research hypothesis is most likely false
C)make no statements about the research hypothesis
D)reject the notion that the effect size has anything to do with statistical significance

Question

Quizplus · Accepted Answer

Failing to reject the null hypothesis in a study with high power suggests that the research hypothesis is most likely false because high power means there was a good chance of detecting an effect if one existed.

In Statistics, We Cannot State That the Research Hypothesis Is