Average IQ refers to the baseline score of the general ... It's important to note that many factors affect a person's IQ, including family income, place of residence, and even the amount of ...

Results showed that the average firstborn had an ... A 2008 Princeton study of thousands of people found that taller individuals scored higher on IQ tests as kids and earned more money as adults.

The average IQ score for people of all ages is 100, with most people ranging between 85 and 115. Ophelia scored 171. "I was worried people would think we're pushy parents," admits Natalie.