You are testing 20-year-old Keith and his 45-year-old father, Matthew. If they are both average members of their age groups, you’d expect Keith to show more _ and Matthew to show more _....

You are testing 20-year-old Keith and his 45-year-old father, Matthew. If they are both average members of their age groups, you’d expect Keith to show more _______ and Matthew to show more _______.

a. crystallized intelligence; fluid intelligence

b. wisdom; crystallized intelligence