Which of the following cannot be found in a one-group, pretest/posttest design?
A)A random sample
B)A valid measure
C)A comparison group
D)A manipulation

Question

Quizplus · Accepted Answer

In a one-group, pretest/posttest design, there is only one group being observed, so there is no comparison group to be found. The other options (A, B, and D) can all potentially be present in this type of design.

Which of the Following Cannot Be Found in a One-Group