Answer the following statements true (T) or false (F)
1. The classical experimental design, which serves as a prototype for our discussion of all other research designs, contains three elements; equivalence, pre-tests and post-tests, and experimental and control groups.
2. Experimental designs (sometimes called true experimental designs) are characterized by random assignment to treatment and control groups and include the classical, posttest-only control group, and Solomon four-group designs.
3. Quasi-experimental designs do not use random assignment of groups and instead employ matching or other means of obtaining equivalence of groups. Quasi-experimental designs include time-series and counterbalanced designs.
4. Pre-experimental designs lack any equivalence of groups and include one- and two-group ex post facto and one-group before–after designs.
5. Classic experimental design refers to the attempt to select and assign subjects to experimental and control groups in such a manner that they are as similar as possible.
1 True
2. True
3. True
4. True
5. False
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