A weakness of the pretest-posttest control group design is that it lacks random assignment.
Correct Answer:
Verified
Q51: Maturation effects may occur when experimental conditions
Q52: Statistical regression may be a threat to
Q53: True experimental designs control for maturation and
Q54: A pretest is an essential feature of
Q55: A posttest-only control group design eliminates the
Q57: In a within-subjects design, each subject participates
Q58: Counterbalancing controls for selection effects in between-subject
Q59: The Solomon four-group design may be construed
Q60: A 2 × 3 factorial design has
Q61: "Interaction effect" refers to the social relations
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents