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A 2012 study based on a representative sample of twins from the United Kingdom, with longitudinal data on IQ from age two to age fourteen, did not find evidence for lower heritability in low-SES families. However, the study indicated that the effects of shared family environment on IQ were generally greater in low-SES families than in high-SES ...
Parental education level was used as a moderator for this study. It was found that verbal IQ was highly heritable among children whose parents had a higher level of education, by being similar to the earlier studies of Fischbein and Scarr-Salapatek, this adds support to the hypothesis of variance in IQ heritability at different levels of ...
The Genetic Studies of Genius, later known as the Terman Study of the Gifted, [1] is currently the oldest and longest-running longitudinal study in the field of psychology. It was begun by Lewis Terman at Stanford University in 1921 to examine the development and characteristics of gifted children into adulthood.
Hereditarians point to the heritability of cognitive ability, and the outsized influence that cognitive ability has on life outcomes, as evidence in favor of the hereditarian viewpoint. [4] According to Plomin and Van Stumm (2018), "Intelligence is highly heritable and predicts important educational, occupational and health outcomes better than ...
Human intelligence is the intellectual capability of humans, which is marked by complex cognitive feats and high levels of motivation and self-awareness.Using their intelligence, humans are able to learn, form concepts, understand, and apply logic and reason.
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.
IQ scores can vary for the same person, so a person does not always belong to the same IQ score range each time the person is tested. (IQ score table data and pupil pseudonyms adapted from description of KABC-II norming study cited in Kaufman 2009. [20]) Pupil KABC-II WISC-III WJ-III Asher: 90: 95: 111 Brianna: 125: 110: 105 Colin: 100: 93: 101 ...
The degree to which intelligence test scores can be linked to genetic heritability increases with age. There is presently no explanation for this puzzling result, but flaws in the testing methods are suspected. A study of Dutch twins concludes that intelligence of 5 year olds is 26% heritable, while the test scores of 12-year-olds is 64% heritable.