Inteligência e Testes de QI
Entrada Artigos
The IQ Paradox: Still Resolved PDF Versão para impressão Enviar por E-mail
Escrito por William T. Dickens, James R. Flynn   
Terça, 03 Fevereiro 2009 13:07

Nearly everyone who studies IQ can agree on two things: environment can affect IQ and those with higher IQs will tend to be found in environments more conducive to developing and maintaining high IQ. These two propositions represent an informal model of IQ. Our contribution was to take this model and show that a formal version could resolve the paradox of the apparently small role played by environment in explaining cross-section variation in IQ and the large role environment must play in explaining IQ gains.

Improving fluid intelligence with training on working memory PDF Versão para impressão Enviar por E-mail
Escrito por Susanne M. Jaeggi, Martin Buschkuehl, John Jonides, and Walter J. Perrig   
Terça, 03 Fevereiro 2009 10:14

Fluid intelligence (Gf) refers to the ability to reason and to solve new problems independently of previously acquired knowledge. Gf is critical for a wide variety of cognitive tasks, and it is considered one of the most important factors in learning. Moreover, Gf is closely related to professional and educational success, especially in complex and demanding environments. Although performance on tests of Gf can be improved through direct practice on the tests themselves, there is no evidence that training on any other regimen yields increased Gf in adults. Furthermore, there is a long history of research into cognitive training showing that, although performance on trained tasks can increase dramatically, transfer of this learning to other tasks remains poor. Here, we present evidence for transfer from training on a demanding working memory task to measures of Gf. This transfer results even though the trained task is entirely different from the intelligence test itself. Furthermore, we demonstrate that the extent of gain in intelligence critically depends on the amount of training: the more training, the more improvement in Gf. That is, the training effect is dosage-dependent. Thus, in contrast to many previous studies, we conclude that it is possible to improve Gf without practicing the testing tasks themselves, opening a wide range of applications. 

Longitudinal cohort study of childhood IQ PDF Versão para impressão Enviar por E-mail
Escrito por Lawrence J Whalley   
Terça, 03 Fevereiro 2009 10:05

Inequalities in health and mortality exist among different socioeconomic groups. People living in deprived conditions generally suffer more illness and die younger,and socioeconomic circumstances in childhood are related to mortality from several illnesses. Educational level also contributes to differences in mortality between socioeconomic groups, although the size of this effect varies nationally. Higher mental ability, as assessed by psychometric tests, is associated with more favourable educational and occupational life outcomes.


Intelligence: Knowns and Unknowns PDF Versão para impressão Enviar por E-mail
Escrito por APA Board of Scientific Affairs   
Terça, 03 Fevereiro 2009 09:55

Report of a Task Force established by the Board of Scientific Affairs of the American Psychological Association - Released August 7, 1995 - A slightly edited version was published in the American Psychologist, Feb 1996. Official Journal of the APA



"É possível definir inteligência?" PDF Versão para impressão Enviar por E-mail
Escrito por Carlos Simões   
Segunda, 26 Janeiro 2009 23:59

A capacidade de em menor tempo e com maior precisão, responder a um determinado problema, reagir a uma determinada situação. Ou seja, é mais inteligente aquele que, mais rapidamente analisa o problema que lhe é posto, opta por uma acção, responde e responde correctamente. Quanto mais complexo for o problema, quanto maior for o número de variáveis, quanto mais subtil for o padrão subjacente, maior inteligência indica a resposta, quando correcta. Mesmo na qualidade das respostas se pode ainda avaliar a inteligência... ponho o exemplo do famoso problema das 12 moedas... a resposta típica demonstra inteligência... mas existe outra forma de resolver o problema... que evidencia, acho, uma maior inteligência.

High IQ Societies PDF Versão para impressão Enviar por E-mail
Escrito por Bookrags   
Quinta, 22 Janeiro 2009 22:16

A high IQ society is an organization that limits its membership to people who are within a certain high percentile of Intelligence quotient (IQ) test results. The oldest, largest, and most well-known such society is Mensa International,[1] which was founded by Roland Berrill and Dr. Lancelot Ware in 1946. Other early societies were Intertel (founded by Ralph Haines in 1966), the International Society for Philosophical Enquiry (founded by Dr. Christopher Harding in 1974) and Prometheus Society (founded by Dr. Ronald K. Hoeflin in 1982).

Neo-Lysenkoism, IQ and the press PDF Versão para impressão Enviar por E-mail
Escrito por Bernard D. Davis   
Quinta, 22 Janeiro 2009 13:55

Stephen Jay Gould, a professor of geology at Harvard, has become one of the best known American scientists. His many essays on natural history are entertaining and highly readable, and his attack on the "establishment" version of Darwinian evolution has received so much attention that his picture appeared on the cover of Newsweek. He personalizes his expository writing in a breezy, self-deprecating manner, and he comes across as warm-hearted, socially concerned, and commendably on the side of the underdog. Hence he is able to present scientific material effectively to a popular audience--a valuable contribution, and a public service, as long as his scientific message is sound.

Geographical Centrality as an Explanation for Racial Differences in Intelligence PDF Versão para impressão Enviar por E-mail
Escrito por Edward M. Miller   
Quinta, 22 Janeiro 2009 13:47

Intelligence is affected by many different genes. It has also plausibly been subject to unidirectional selection. Calculations show that favorable mutations would move at a rate that was slow relative to the time since modern human symbolic culture emerged. This makes it very likely that geographical differences in the frequencies of various intelligence related genes exist. With unidirectional selection in a polygenetic system, it is meaningful to talk about some areas being more advanced than others (since there is a direction in which all are moving). Centrally located populations will normally be more advanced. Genes will move faster in thinly populated areas. The thinly populated areas can serve as genetic freeways that carry genes rapidly across continents.

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