A hypothesis that reflects the difference between groups but does NOT specify the direction of the difference is a(an)______.
A)null hypothesis
B)directional research hypothesis
C)nondirectional research hypothesis
D)error hypothesis

Question

Quizplus · Accepted Answer

A nondirectional research hypothesis states that there is a difference between groups but does not specify the direction of that difference. A null hypothesis states that there is no difference between groups. A directional research hypothesis specifies the direction of the difference, and an error hypothesis is not a commonly used term in hypothesis testing.

A Hypothesis That Reflects the Difference Between Groups but Does