When compared with ldcs, a higher proportion of people in developed nations are
a. older than 65.
c. children between the ages of 5 and 10.
b. infants.
d. of child-bearing age.?

Tanya is not able to solve a problem because she’s unable to see it from a fresh perspective. which obstacle to problem solving is tanya experiencing? a. fixation b. counterproductive heuristic c. confirmation bias d. overconfidence