The 2012 U

question 16

Multiple Choice

The 2012 U.S.population of 314 million is expected to reach what level by 2050?

• A) 550 million
• B) 500 million
• C) 450 million
• D) 400 million
• E) 350 million

---

Definitions:

William Stern

A psychologist best known for developing the concept of the intelligence quotient or IQ.

Mental Age

A measure of an individual's mental attainment based on the age in which it takes an average individual to reach that same level of attainment.

Alfred Binet

A French psychologist best known for developing the first standardized intelligence test, which laid the foundation for modern intelligence testing.

Lewis Terman

An American psychologist best known for his revision of the Stanford-Binet Intelligence Scales and research on gifted children.