A team of researchers wants to know whether a new crime prevention program is really effective in reducing crime in young adolescents. The researchers find two middle schools, Adams Middle School and Monroe Middle School, which serve similar kinds of students and report similar rates of theft, physical assault, and vandalism. The researchers implement the program at Adams and use Monroe as a control group. Afterwards, they discover that crime has decreased at Adams but not at Monroe. This study is a good example of a(n) _______ design.

Question

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The study is a quasi-experimental design because it involves an intervention (the crime prevention program) in a real-world setting (Adams Middle School) with a comparison to a control group (Monroe Middle School), but lacks random assignment of participants to conditions.

A Team of Researchers Wants to Know Whether a New