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
E) None of the above can be found in this type of design

Question

Quizplus · Accepted Answer

A one-group, pretest/posttest design involves only one group of participants, so there is no comparison group. A valid measure and a manipulation can be present in this design, and while a random sample may be desirable, it is not always possible or practical in this type of design.

Which of the Following Cannot Be Found in a One-Group,pretest/posttest