Directional hypothesis is to non-directional hypothesis as _____ hypothesis is to _____ hypothesis.
A)null; alternative
B)alternative; null
C)one-tailed; two-tailed
D)two-tailed; one-tailed

Question

Quizplus · Accepted Answer

A directional hypothesis only predicts the direction of the effect while a non-directional hypothesis predicts the presence or absence of an effect. Similarly, a one-tailed hypothesis predicts the direction of the effect while a two-tailed hypothesis predicts the presence or absence of an effect.

Directional Hypothesis Is to Non-Directional Hypothesis as _____ Hypothesis Is