Refer to Exhibit 11-1. Failure to control history and maturation is a definite weakness.
a. One-group, pretest-posttest design
b. Randomized subjects, posttest only, control-group design
c. Randomized subjects, pretest-posttest design control-group
d. Randomized Solomon four-group design
e. Counterbalanced design
Question 2
Refer to Exhibit 11-1. Includes more than one control group with one group receiving neither pretest nor treatment.
a. One-group, pretest-posttest design
b. Randomized subjects, posttest only, control-group design
c. Randomized subjects, pretest-posttest, control-group design
d. Randomized Solomon four-group design
e. Counterbalanced design
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