(a) The optimum point in one’s mental development is reached during adulthood.
(b) As one advances in age, intelligence also advances.
(c) In terms of functions the rate of mental development changes.
(d) Empathy forms an important component of intelligence.
(e) On the basis of intelligence we are able to address problems of meaning and value.
(f) By placement of an individual in socially and culturally advanced environment, the intelligence quotient can increase but not his/her classification on the basis of intellectual capacity.