Which one of the subsequent statements best reflects Sternberg's triarchic theory of intelligence?
a. Intelligent behavior is a function of how well people draw on their cognitively process and prior experiences information in order to adapt to their particular environmental situation.
b. Intelligent behavior evolves in three stages: preoperational thought, real thought and abstract thought.
c. To be really intelligent, one must show competence in critical thinking and suitable classroom behavior, as well as in traditional academic tasks.
d. Intelligence is due to heredity, environment, and a complex interaction between the two; eventually, researchers will probably never be able to separate relative effects of heredity and environment.