When measure X gets larger, measure Y also gets larger in a

According to the article Reach for the Sky about peoples' estimations of their own physical ability, an evolutionary reason why young children overestimate their physical abilities is that:

(a) it allows them to persist at difficult tasks (b) it protects them from accidents in which they might be injured (c) it is highly correlated with fewer psychological problems later in life (d) they have parents who protect them from risks

A person with locked-in syndrome is in a persistent vegetative state (brain-dead)

a. True b. False