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
Correct Answer:
Verified
Correct Answer:
Verified
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