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Spearman's two-factor theory proposes that intelligence has two components: general intelligence ("g") and specific ability ("s"). [7] To explain the differences in performance on different tasks, Spearman hypothesized that the "s" component was specific to a certain aspect of intelligence.
[1] [2] It was influenced by the theory of g factor. [1] [2] Vernon puts emphasis on the g factor in all the mental abilities. He extracted the g factor from an ability test, then found that those remaining content [clarification needed] could be divided into two separate parts. He named those two orthogonal group factors as verbal-educational ...
The two-factor theory (also known as Herzberg's motivation-hygiene theory and dual-factor theory) states that there are certain factors in the workplace that cause job satisfaction while a separate set of factors cause dissatisfaction, all of which act independently of each other.
The Cattell–Horn–Carroll theory is an integration of two previously established theoretical models of intelligence: the theory of fluid and crystallized intelligence (Gf-Gc) (Cattell, 1941; Horn 1965), and Carroll's three-stratum theory (1993), a hierarchical, three-stratum model of intelligence. Due to substantial similarities between the ...
Later, Jensen was an important advocate in the mainstream acceptance of the general factor of intelligence, a concept which was essentially synonymous with his Level II conceptual learning. The general factor, or g , is an abstraction that stems from the observation that scores on all forms of cognitive tests correlate positively with one another.
Handbook of Modern Personality Theory (1977) The Scientific Analysis of Personality and Motivation (1977) Personality Theory in Action: Handbook for the O-A Test Kit (1978) The Scientific use of Factor Analysis in Behavioral and Life Sciences (1978) Personality and Learning Theory: Vols. 1 & 2 (1979) Structured Personality-Learning Theory (1983)
The Wechsler Adult Intelligence Scale (WAIS) is an IQ test designed to measure intelligence and cognitive ability in adults and older adolescents. [1] For children between the ages of 6 and 16, Wechsler Intelligence Scale for Children (WISC) is commonly used.
The two-factor model of personality is a widely used psychological factor analysis measurement of personality, behavior and temperament. It most often consists of a matrix measuring the factor of introversion and extroversion with some form of people versus task orientation.