Nonequivalent ___________ design serves as an illustration of Quasi-experimental research?
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Answer: A. groups
Explanation
Nonequivalent groups design serves as an illustration of quasi-experimental research approaches. This design compares existing groups when random assignment is not possible. Researchers use nonequivalent groups to evaluate interventions in real-world settings. Quasi-experiments lack random assignment but retain elements of experimental control. Nonequivalent comparison groups help researchers account for baseline differences. Pre-test and post-test measurements are common in nonequivalent group designs.
Schools compare test scores between two existing classrooms using this design. Hospitals evaluate new training programs by comparing different nursing units. Researchers study workplace productivity using preexisting corporate branch offices. Individual refers to single subjects rather than comparative research groups. Both is incorrect because individual does not describe a group-level design. None of these fails since groups correctly completes the design name.
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