Critique on the Concept of Intelligence Intelligence is defined as “the possession of knowledge, the ability to efficiently use knowledge to reason about the world, and the ability to employ that reasoning adaptively in different environments” (Bernstein, Clarke-Stewart, Roy, and Wickens, 1997,pp. 304). But can we accurately measure intelligence? There are a vast variety of Intelligence Quotient (IQ) tests in the field. Most IQ tests can not accurately measure all aspects of a person’s intelligence. I doubt that any of today’s IQ tests can even measure any aspect of a person’s intelligence. An IQ test is basses on the knowledge that a person has obtained up to a c