Suppose the same test was conducted but the statistical significance value was determined at p = .08. Which of the following descriptions best describes its meaning?
A) A difference was not found between the pre and post measurements but there may be an effect.
B) A difference was found between the pre and post measurements and there may be an important effect.
C) A difference was found between the pre and post measurements and there is an effect.
D) A difference was not found between the pre and post measurements and no effect was found.

Question

Quizplus · Accepted Answer

A significance level of p = .08 means that there is an 8% chance that the observed difference between the pre and post measurements occurred by chance alone. This is not low enough to confidently conclude that there is a true effect, so the best description would be that a difference was not found but there may still be an effect.

Suppose the Same Test Was Conducted but the Statistical Significance