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The Flynn effect is the substantial and long-sustained increase in intelligence test scores over the 20th century, named after researcher James Flynn. The effect has been observed in many countries, but its causes and implications are debated, and some studies suggest a reversal or slowdown of the effect in recent decades.
In 1916 Binet's test was translated into English and revised by Lewis Terman (who introduced IQ scoring for the test results) and published under the name Stanford–Binet Intelligence Scales. Terman wrote that Mexican-Americans, African-Americans, and Native Americans have a mental "dullness [that] seems to be racial, or at least inherent in ...
A comprehensive overview of the history and science of race and intelligence, covering topics such as IQ testing, genetics, environmental factors, and racism. Learn how race is a socially constructed phenomenon and how intelligence is a complex concept that cannot be reduced to a single metric.
A controversial stereotype that Ashkenazi Jews have higher intelligence than other groups, based on various studies and arguments. The article covers the history, controversies, and criticisms of this topic, as well as related terms and references.
An intelligence quotient (IQ) is a score derived from a standardised test of human intelligence. The average IQ is 100, with a standard deviation of 15, and IQ scores are influenced by various factors such as nutrition, socioeconomic status, and heritability.
John L. Horn (1928-2006) was a cognitive psychologist and a pioneer in developing theories of intelligence. He proposed the Cattell-Horn-Carroll theory of cognitive abilities and the parallel analysis method for factor analysis.
PASS theory of intelligence is a cognitive approach that challenges g-theory and proposes four brain-based processes: Planning, Attention, Simultaneous and Successive. It is based on Luria's work and has applications for assessment, remediation and enhancement of intelligence.
The modern theories of intelligence began to emerge along with experimental psychology. This is when much of psychology was moving from philosophical to more biology and medical science basis. In 1890, James Cattell published what some consider the first "mental test".