Inteligência e Testes de QI
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The Scary Smart Are The Scary Rich PDF Versão para impressão Enviar por E-mail
Escrito por Jonathan Wai   
Segunda, 24 Setembro 2012 21:38

The most recent edition of The Forbes 400, which ranks the 400 richest people in America, includes 48 tech billionaires. From this list, I have assessed whether the following people are in the top 1% of intellectual ability simply based on the school that they were admitted to as an undergraduate or graduate student. Attending an elite undergraduate or graduate institution requires a certain test score level, which according to Charles Murray in his book Coming Apart: The State of White America, 1960-2010, translates into an IQ score well within the top 1% if the institution has high enough median scores. According to Murray, "the average graduate of an elite college is at the 99th [per]centile of IQ of the entire population of 17-year-olds."

Best evidence yet that a single gene can affect IQ PDF Versão para impressão Enviar por E-mail
Escrito por Andy Coghlan   
Domingo, 17 Junho 2012 09:46

A massive genetics study relying on MRI brain scans and DNA samples from over 20,000 people has revealed what is claimed as the biggest effect yet of a single gene on intelligence - although the effect is small. There is little dispute that genetics accounts for a large amount of the variation in people's intelligence, but studies have consistently failed to find any single genes that have a substantial impact. Instead, researchers typically find that hundreds of genes contribute.

In Defense of Polymaths PDF Versão para impressão Enviar por E-mail
Escrito por KYLE WIENS   
Sábado, 19 Maio 2012 10:16
Polymath is one of those words more likely to show up on the SAT than in everyday conversation. But the reason we don't use the word much these days has less to do with vocabulary than it has to do with practicality: there aren't a lot of polymaths around anymore.

In case you don't have your pocket dictionary handy, a polymath is a person with a wide range of knowledge or learning. Think people like Leonardo da Vinci (artist and helicopter designer), Benjamin Franklin (founding father, inventor, and all-around lady-killer), Paul Robeson (scholar, athlete, actor, and civil rights activist), and even Steve Jobs (engineer, businessman extraordinaire, and marketing mastermind).

The Myth of Inevitable Nature and Reversible Nurture PDF Versão para impressão Enviar por E-mail
Escrito por Matt Ridley   
Sábado, 17 Março 2012 19:11

For more than 50 years, sane voices have called for an end to the debate. Nature versus nurture has been declared everything from dead and finished to futile and wrong -a false dichotomy. Everybody with an ounce of common sense knows that human beings are a product of a transaction between the two. Yet nobody could stop the argument. Immediately after calling the debate futile or dead, the typical protagonist would charge into the battle himself and start accusing others of overemphasizing one or the other extreme. The two sides of this argument are the nativists, whom I will sometimes call geneticists, hereditarians, or naturians; and the empiricists, whom I will sometimes call environmentalists or nurturists.

Who Is Currently Identified as Gifted in the United States? PDF Versão para impressão Enviar por E-mail
Escrito por Scott Barry Kaufman.   
Sexta, 16 Março 2012 14:36
Today, lots of different definitions of giftedness exist. This wasn't always the case. Prior to 1972, practically every school used one criterion and one criterion only to identify giftedness: an IQ cut-off of 130. This criterion was heavily influenced by the pioneering work of Lewis Terman, who equated high IQ with genius.

Then the first federal definition of giftedness came along in 1972, which was undoubtedly an important step forward. Noting that only a small percentage of the 1.5 to 2.5 million gifted school children were actually benefiting from special education services, former U.S. Commissioner of Education Sidney P. Marland, Jr. proposed a broadened definition that went beyond just IQ to also include specific academic and creative aptitudes. That report was important in its broadening of giftedness.

The 4 Biggest Myths About the Human Brain PDF Versão para impressão Enviar por E-mail
Escrito por Robert T. Gonzalez   
Sexta, 16 Março 2012 09:27

What is it that makes the human brain so special? Sure it's big - but it's far from the biggest brain around. You've heard that your brain contains 100 billion neurons - but where does that number really come from, and how does it stack up against other species?

You may think you know the answers to these questions, but there's a good chance you've been misinformed about what makes our brain more special than any other brains on Earth. Here are four of neuroscience's biggest brain myths, and why they're all wet.

Aptidões cognitivas e rendimento académico: A validade preditiva dos testes de inteligência PDF Versão para impressão Enviar por E-mail
Escrito por Almeida, Leandro S.; Lemos, Gina C., Gina C.   
Terça, 17 Janeiro 2012 22:01

Com base numa amostra de alunos portugueses do 5º e 6º anos de escolaridade (n=1163), analisamos a validade dos resultados na Bateria de Provas de Raciocínio (BPR5/6; Almeida, 2003) por referência ao rendimento escolar dos alunos, considerando quer as suas classificações em várias disciplinas curriculares quer o índice de retenções escolares anteriores. De uma maneira geral os resultados sugerem uma associação com significado estatístico entre rendimento escolar e desempenho nas quatro provas de raciocínio da bateria (raciocínio abstracto, raciocínio verbal, raciocínio numérico e resolução de problemas).

Escrito por Leandro S. Almeida   
Terça, 17 Janeiro 2012 21:55

Um dos percursos seguidos pela Psicologia na definição e avaliação da inteligência identifica-se com as tentativas de fixação do número das aptidões e, no caso de defesa de um número plural de aptidões, com a questão da eventual independência ou interdependência das mesmas aptidões. A análise fatorial, primeiro exploratória e agora confirmatória, tem sido o método por excelência para fundamentar este percurso, mesmo sem nunca conseguir dar razão a uns e retirá-la a outros.

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