During the manic phase of bipolar disorder, individuals are most likely to:. a. have a negative explanatory style.
b. feel uncontrollable grief and despair.
c. demonstrate learned helplessness.
d. be overactive.

What was piaget's explanation as to why preschool-age children in the preoperational stage make errors on tasks requiring conservation? a) preschool children's tendency toward centration prevents them from focusing on other relevant features of a situation b) preschool children have not yet developed numerical understanding; therefore, different amounts are meaningless c) preschool children's neural-visual network is not fully matured d) preschool children have not lived long enough and accrued enough experience to know the difference between quantities