If We Want to Understand Why Senior Citizens Sometimes Have

Multiple Choice

If we want to understand why senior citizens sometimes have more difficulty learning to use computers than younger people,which of the following approaches would give us the best information about cohort effects?

A) Researchers should use a sequential design.
B) Researchers should use a cross-sectional design.
C) Researchers should use a longitudinal design.
D) There is no way to determine why there is an age difference in computer proficiency.