It is often very difficult to use a true experimental design in evaluating the success of human service programs.

Question

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True experimental designs typically require random assignment of participants to treatment and control groups, which can be unethical or logistically impossible in human service programs. Additionally, ethical and practical concerns may limit the researcher's ability to control external factors that could influence program outcomes. Therefore, quasi-experimental designs are often used in human service program evaluations.

It Is Often Very Difficult to Use a True Experimental