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

Question

Quizplus · Accepted Answer

This is a one-group pretest-posttest design because the researcher is measuring the same group of dogs before and after the intervention without comparing them to a control group.

A Researcher Would Like to Know Whether His New Dog