A Commonly Used Design in Adult Development and Aging Research

question 17

Multiple Choice

A commonly used design in adult development and aging research is the extreme age design ("young" vs "old") . Which of the following is a limitation of this type of study?

• A) the samples are not representative and may not generalize
• B) the measures may not mean the same thing across age groups and may not be valid
• C) age is not treated as a continuous variable
• D) all of these are correct

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