Which of the following issues does not represent a common methodological concern for
researchers that work with different-aged adults?
A) Older and younger adults are often drawn from sources that are convenient, but not
necessarily representative.
B) The oldest adults are frequently more educated than the younger adults.
C) Equating adults in different age groups on demographic variables may influence the
external validity of the results.
D) Older adults are recruited using more varied means than younger adults.
B
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