To Find Out If Older People Are Wiser Than Younger

Multiple Choice

To find out if older people are wiser than younger people, Samantha gives 20-year-olds, 40-year-olds, and 60-year-olds a "wisdom" test. If Samantha finds that, on average, wisdom scores increase in each older group, what should she conclude?

A) As people get older, they get wiser.
B) Older cohorts are wiser, but it is unclear if wisdom increases with age.
C) Nothing. It's a lousy study because it is not constructed well.
D) As people get older, it takes them more time to answer test questions.