Which of the following is true regarding research on wisdom? a. Wisdom is not correlated with educational levels. b. Wisdom is related to age; it increases as people get older. c. People who hold...

Which of the following is true regarding research on wisdom?

a. Wisdom is not correlated with educational levels.

b. Wisdom is related to age; it increases as people get older.

c. People who hold leadership positions are more likely than others to score high on wisdom.

d. There has been no empirical research conducted on wisdom because researchers disagree about how it should be measured.