Which of the Following Would Cause F _obt to Increase

Multiple Choice

Which of the following would cause F _obt to increase?

A) an increase in the difference between the means
B) an increase in the within-groups variability
C) an increase in the magnitude of the independent variable's effect
D) an increase in the difference between the means and an increase in the within-groups variability
E) an increase in the difference between the means and an increase in the magnitude of the independent variable's effect