Frank has hypothesized a relationship between two variables, but he cannot predict the direction of the hypothesized relationship. Which of the following is appropriate in this situation?
A) unstandardized test
B) standardized test
C) one-tailed test
D) two-tailed test
E) multi-tailed test

Question

Quizplus · Accepted Answer

A two-tailed test would be appropriate in this situation as it allows for the possibility of the relationship being in either direction, without making any assumptions about the direction. This is the most conservative approach, as it avoids the risk of falsely rejecting the null hypothesis if the relationship turns out to be in the opposite direction than initially hypothesized.

Frank Has Hypothesized a Relationship Between Two Variables, but He