Multiple Choice
A researcher would like to know whether his new dog training program is effective. He tests a group of dogs before they start the program, and then again afterwards. What research design has he used?
A) one-group pretest-posttest design
B) pretest-posttest control group design
C) posttest only control group design
D) nonequivalent control group design
Correct Answer:
Verified
Correct Answer:
Verified
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