then success on the test represented the 8-year-old level of intelligence. From Binet's work, the phrase "intelligence quotient," or "IQ," entered the vocabulary. The IQ is the ratio of "mental ...

Intelligence Quotient (IQ) tests have long been the standard for measuring human intelligence. Developed in the early 20th ...

The idea that IQ is synonymous with a person’s intelligence. This is a widespread belief, but is it based on scientific ...

For millennia, intelligence has been debated. Understanding intelligence was important for education, professional ...

Those include the Wechsler Adult Intelligence Scale, Stanford-Binet Intelligence Scale and Peabody Individual Achievement ...

1905: French psychologists Alfred Binet and Théodore Simon developed the first IQ test to identify students needing academic support. 1916: Lewis Terman of Stanford University adapted Binet’s ...

The concept of IQ testing began in the early 20th century with Alfred Binet, who developed the Binet-Simon scale to identify children needing special education. Over time, this test evolved into ...

Isaiah Quintabe, whose reasoning scores on the Stanford-Binet intelligence test are near genius levels, has his... Two cases with powerful personal aspects challenge Isaiah “IQ” Quintabe ...