The ability to engage in abstract reasoning about hypothetical events that are not directly experienced develops in which of Piaget's stages of cognitive development?

The triarchic theory of intelligence was proposed by

a. Cattell. b. Spearman. c. Sternberg. d. Gardner. e. Horn.

Which of the following Big Five personality factors tends to decrease with age, across a

variety of cultures? a. neuroticism b. conscientiousness c. agreeableness d. extraversion