If the Sig.value is .05 or less,the researcher can use ________ to identify the pair or pairs of groups where the means are significantly different.
A)a null hypothesis for differences test
B)analysis of variance
C)paired samples test for the difference between two means
D)a post hoc procedure such as Duncan's multiple range test

Question

Quizplus · Accepted Answer

When the Sig.value is .05 or less, it means that the null hypothesis can be rejected, and there is a significant difference between groups. In such a case, a post hoc procedure is required to determine the pair or pairs of groups that are significantly different from each other. Duncan's multiple range test is one such post hoc procedure that can be used to compare all pairs of means and identify the significant differences. Therefore, D is the best choice in this scenario.