In employing a correlated groups design, one possible drawback is _________.
a. the increased number of statistical computations
b. random errors are likely to be greater
c. reduction in the degrees of freedom
d. none of these
Question 2
One employs a correlated groups design _________.
a. to eliminate random error
b. to simplify calculations
c. for prediction
d. to reduce the effects of individual differences among subjects