Under what circumstances is it best to use a nondirectional hypothesis?
A) when the researcher is relatively certain of a prediction
B) when the researcher would like to increase the chances of finding a statistically significant result
C) when there is a possibility that the results could turn out the opposite of that which is expected
D) when the researcher has not read the past literature on the topic

Question

Quizplus · Accepted Answer

A nondirectional hypothesis is used when there is uncertainty about the direction of the effect, meaning the results could go either way, opposite to what might be expected.

Under What Circumstances Is It Best to Use a Nondirectional