Question: what is a potential problem that is caused by the pre-test in the pre-test/post-test randomized control group design. 2) Describe the experimental design that has

what is a potential problem that is caused by the pre-test in the pre-test/post-test randomized control group design.

2) Describe the experimental design that has no pre-tests.

3) Describe the potential drawback to the Solomon randomized four-group design.

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