Typical problem statements for differential research ask
A) What is the correlation between Group A and Group B?
B) Does Group A predict Group B?
C) Is Group A statistically significant?
D) Does Group A differ from Group B?
Question 2
The coefficient of determination is useful in
A) Computing the correlation coefficient.
B) Computing the degrees of freedom.
C) Indicating the proportion of variance accounted for.
D) Determining the critical value.