Mehl (2007) published a study in the journal Science reporting the results of an extensive study of 396 men and women comparing the number of words uttered per day by each sex.If Mehl was testing the idea that women talk more than men, what type of hypothesis test would he conduct?
A) one-tailed test
B) two-tailed test
C) nonparametric test
D) z test

Question

Quizplus · Accepted Answer

A one-tailed test is appropriate when the hypothesis predicts a specific direction of the effect, such as the idea that women talk more than men, which implies a direction (more rather than simply different).

Mehl (2007) Published a Study in the Journal Science Reporting