Eccentricity is often associated with genius, intellectual giftedness, or creativity. There are many theories that try to explain the correlation between perfectionism and giftedness. Multiple intelligences has been associated with giftedness or overachievement of some developmental areas (Colangelo, 2003). The various definitions of intellectual giftedness include either general high ability or specific abilities. Intellectual giftedness is an intellectual ability significantly higher than average. Individual IQ testing is usually the optimal method to identify giftedness among children. IQ scores are often viewed as inadequate measures of giftedness. Characteristics and attributes associated with giftedness varies across cultures. In psychology, identification of giftedness is usually based on IQ scores. "three ring" definition of giftedness is one frequently mentioned conceptualization of giftedness. It appears that at the least OE is a marker of potential for giftedness/creativity. Some schools and districts only accept IQ tests as evidence of giftedness. The experiential subtheory also correlates with another one of Sternberg's proposed types of giftedness. Sternberg associated the componential subtheory with analytical giftedness. The identification of giftedness first emerged after the development of IQ tests for school placement.