Intelligence is inquired genetically and environmentally. Genetic variation has a significant impact on IQ. During early years, environmental factors also contribute to intelligence because parental support and resources are positive for the child. During later years this factor decreases as the child is able to make their own support.
Spearman-people's performance on any given task depends both on the general factor and on any specific factors that the task may involve.
Cattell-people differ in fluid intelligence and crystallized intelligence.
Gardner-offers the possibility that the great majority of children are intelligent in one way or another.
Sternberg-focuses more on the nature of intelligence itself. He draws his findings on research on human information processing.
Usually tests are given to identify those with special needs or giftedness. Intelligence tests usually include a wide variet of questions and problems. Some examples of tests are Wechsler Intelligence Scale for Children, Stanford-Binet Intelligence Scales, Universal Nonverbal Intelligence Test, and IQ Scores.
the way a person interprets and approaches new situations has a lot to do with the way they process things.