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Example of a Quasi-Experimental Study: Anti-Bullying Program
An example of a quasi-experimental study lacking random assignment involves evaluating an anti-bullying program across two similar schools. A researcher implements the program in one school (the treatment group) and compares the bullying incidents to the other school (the control group). Although this design uses a comparison group, the inability to randomly assign individual students to the schools means there may be a selection effect; preexisting differences between the students in the two schools could alternatively explain any observed differences in bullying.
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Research Methods in Psychology - 4th American Edition @ KPU
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Which of the following is a key characteristic that distinguishes quasi-experimental research from a true experiment?