When Analyzing the Difference Between Two Means, Professor Angus Obtains

Multiple Choice

When analyzing the difference between two means, Professor Angus obtains the effect size as .85 using Cohen's d. In this case, Professor Angus can conclude that:

A) 85 percent of the effect on the dependent variable is due to the manipulation.
B) there is a correlation of .85 between the independent variable and the dependent variable.
C) the means are separated by a .85 standard deviation.
D) the results would only occur 85 percent of the time.