What Is the Major Problem Associated with Self-Selection as a Way

question 290

Multiple Choice

What is the major problem associated with self-selection as a way to assign participants to the experimental and control groups?

• A)The treatment necessarily will work in the experimental group because those participants are especially motivated.
• B)The two groups probably will differ on many variables besides whether or not they received the treatment.
• C)Self-selection violates the requirement for informed consent.
• D)Self-selection prevents the manipulation of the independent variable and measurement of the dependent variable.

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