Having shown that there are significant numbers of people who are above average in aggressiveness consistently throughout life and that there are significant numbers who are below average in aggressiveness consistently throughout life, we now will look at the long-term consequences of being in these categories. To do this we defined several subsets of individuals on the basis of their composite aggression scores in the first three waves of the Columbia County Study (ages 8, 19, and 30) and examined how they turned out in the fourth wave at age 48.
