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Based on the work of three psychologists, Raymond B. Cattell, John L. Horn and John B. Carroll, the Cattell–Horn–Carroll theory is regarded as an important theory in the study of human intelligence. Based on a large body of research, spanning over 70 years, Carroll's Three Stratum theory was developed using the psychometric approach, the ...
Hereditarianism is the research program according to which heredity plays a central role in determining human nature and character traits, such as intelligence and personality. Hereditarians believe in the power of genetic influences to explain human behavior and solve human social-political problems.
Another theory that tries to explain the growth of human intelligence is the reduced aggression theory (aka self-domestication theory). According to this strand of thought, what led to the evolution of advanced intelligence in Homo sapiens was a drastic reduction of the aggressive drive. This change separated us from other species of monkeys ...
The Flynn effect is the increase in average intelligence test scores by about 0.3% annually, resulting in the average person today scoring 15 points higher in IQ compared to the generation 50 years ago. [61] This effect can be explained by a generally more stimulating environment for all people.
Intelligence and personality have traditionally been studied as separate entities in psychology, but more recent work has increasingly challenged this view.An increasing number of studies have recently explored the relationship between intelligence and personality, in particular the Big Five personality traits.
The following outline is provided as an overview of and topical guide to human intelligence: Human intelligence is, in the human species , the mental capacities to learn, understand, and reason, including the capacities to comprehend ideas, plan, solve problems, and use language to communicate.
The Bell Curve: Intelligence and Class Structure in American Life is a 1994 book by the psychologist Richard J. Herrnstein and the political scientist Charles Murray in which the authors argue that human intelligence is substantially influenced by both inherited and environmental factors and that it is a better predictor of many personal outcomes, including financial income, job performance ...
Personality is complex; a typical theory of personality contains several propositions or sub-theories, often growing over time as more psychologists explore the theory. [ 10 ] The most widely accepted empirical model of durable, universal personality descriptors is the system of Big Five personality traits : conscientiousness , agreeableness ...