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

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.He found that on average women uttered 16,215 words a day and men uttered 15,669 words a day.The effect size calculated on the basis of his findings is Cohen's d = 0.07.This effect size indicates that the:

A) number of words uttered by the men and women significantly differed from one another.
B) women uttered a significantly greater number of words in a day than did the men.
C) means of the men and women overlap by only 7 percent.
D) means of the men and women are not even one-tenth of 1 standard deviation apart.