Using the System Developed by Campbell and Stanley, Which of the Following

Multiple Choice

Using the system developed by Campbell and Stanley, which of the following designs combines the elements of a nonequivalent control group design and an interrupted time series design?

A) O1 O2 O3 O4 T O5 O6 O7 O8
B) O1 T O2
C) O1 O2 O3 O4 T O5 O6 O7 O8 O1 O2 O3 O4 O5 O6 O7 O8
D) O1 O2 O3 O4 T O5 O6 O7 O8 O1 O2 O3 T O4 O5 O6 O7 O8