Whether quasi experiments with pretest and posttest designs can be interpreted depends on
A) Whether the pattern of result can be accounted for by other differences between the groups.
B) Whether pretest and posttest performance differ for the groups
C) The number of participants in the study
D) The number of participants in the control group

Question

Quizplus · Accepted Answer

Quasi-experiments rely on the assumption that any observed changes are due to the treatment, but this can be confounded by other differences between groups. Therefore, interpretation depends on ruling out alternative explanations.

Whether Quasi Experiments with Pretest and Posttest Designs Can Be