For her psychology class, Carlie is writing a paper on the global capacity to think rationally, act purposefully, and deal effectively with the environment. Carlie has chosen to write her paper on:________
Intelligence according to David Wechsler can be defined as the aggregate or global capacity of the individual to act purposefully, to think rationally and to deal effectively with his environment (Wechsler, 1944, p. 3)
