The statement "It is hypothesized that children who participate in a mentoring program will score lower on depression tests compared to children who do not participate in a mentoring program" best illustrates a:
A) one-tailed test.
B) two-tailed test.
C) null hypothesis.
D) z test.

Question

Quizplus · Accepted Answer

This is a one-tailed test because it is predicting a directional relationship between the independent variable (participation in a mentoring program) and the dependent variable (depression scores). Specifically, it predicts that the mentoring program will reduce depression scores, rather than simply stating that there will be a difference between the two groups.

The Statement "It Is Hypothesized That Children Who Participate in a Mentoring