A Source of Causal Invalidity That Occurs When Subjects Who

question 30

Multiple Choice

A source of causal invalidity that occurs when subjects who are chosen for a study because of their extreme scores on the dependent variable become less extreme due to natural cyclical or episodic change in the variable is known as

• A)The regression effect
• B)The maturation effect
• C)The testing effect
• D)The endogenous effect

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