A Solomon Four-Group Design Differs from a Classic Experimental Design

question 1

Multiple Choice

A Solomon four-group design differs from a classic experimental design in that the former

• A) does not include a pre-test.
• B) adds an experimental and control group that does not have a pre-test.
• C) can be used to sort out the effects of selection bias.
• D) can be used to differentiate the effects of placebos from other variables.
• E) none of these

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