After a researcher _____ the null hypothesis, the researcher should conduct a(n) _____ to determine which means are statistically significantly different from each other.
A) fails to reject; post hoc test
B) rejects; post hoc test
C) fails to reject; effect size test
D) rejects; effect size test

Question

Quizplus · Accepted Answer

If the null hypothesis is rejected, it means that there is evidence of a difference between the groups being compared. In this case, a post hoc test should be conducted to determine which means are statistically significantly different from each other.

After a Researcher _____ the Null Hypothesis, the Researcher Should