Answer the following statement(s) true (T) or false (F)

1. All true experiments have a posttest.
2. Social experiments are always conducted in a laboratory or controlled environment.
3. In a quasi-experimental design, a comparison group is predetermined to be comparable to the treatment group in critical ways.
4. Before-and-after designs are types of quasi-experimental designs.
5. The groups in ex post facto designs are designated after the treatment has occurred.


1. True
2. False
3. True
4. True
5. True

Criminal Justice

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a. True b. False

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