You should use a one tailed hypothesis if…
A) You are conducting research in on a very new topic
B) If you predict no significant effects will be found
C) There is lots of previous research showing directional effects that can be used to justify your hypothesis
D) The previous research has had very contradictory findings

Question

Quizplus · Accepted Answer

A one tailed hypothesis should always be based on the consistent findings of previous research.

You Should Use a One Tailed Hypothesis If…