Which of these research designs could be classified as quasi-experimental? (Select all that apply.)

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Quasi-experimental designs do not use random assignment. C) Nonequivalent control group design, D) After-only nonequivalent control-group design, E) One-group pretest-posttest design, and G) Time series design are all examples of quasi-experimental designs because they lack random assignment and often involve comparing groups that are not equivalent or measuring the effect of an intervention without manipulating it directly.

Which of These Research Designs Could Be Classified as Quasi-Experimental