(August 2004) Intelligence is a very difficult concept to define. Intellect is described as “the power of the mind to think in a logical manner and acquire knowledge” [1]. Even psychology experts have not agreed upon what this actually means [2]. Intelligence can be divided into various subcategories such as reasoning, problem solving, and memory, and so creating a consistent scale by which one can measure intelligence is quite difficult. Figure 1. IQ testing is a widely used measure of g. Many researchers working on intelligence use a psychometric definition for intelligence, termed “general mental ability” or the “g factor”.…