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Mental Age
Binet and his collaborator made their goal measuring each child's mental age, the level of performance typically associated with a certain chronological age. -
General Intelligence
British psychologist Charles Spearman (1863-1945) described a concept he referred to as general intelligence, or the g factor. After using a technique known as factor analysis to to examine a number of mental aptitude tests, Spearman concluded that scores on these tests were remarkably similar. -
IQ
William Stern derived the famous intelligence quotient (IQ). The IQ was simply a person's mental age divided by chronological age and multiplied by 100 to get rid of the decimal point. -
Primary Mental Abilities
Psychologist Louis L. Thurstone (1887-1955) offered a differing theory of intelligence. Instead of viewing intelligence as a single, general ability, he viewed them in specific categories. -
Multiple Abilities
Howard Gardner views intelligence as multiple abilities that come in packages. Gardner finds evidence for this view in studies of people with diminished or exceptional abilities. -
Triarchic Theory
Robert Sternberg agreed that there is more to success than traditional intelligence. And he agrees with Gardner's idea of multiple intelligences. But he proposes a triarchic theory of three, not eight intelligences: Analytical, Creative, and Practical intelligence. -
Five Components of Creativity
Sternberg and his colleagues have identified five components of creativity:expertise, imaginative thinking skills, a venturesome personality, intrinsic motivation, and a creative environment. -
Emotional intelligence
John Mayer, Peter Salovey, and David Caruso explored emotional intelligence and they have developed a test that assesses four emotional intelligence components, which are the abilities to: perceive, understand, manage, and use emotions.