In 1905, the French psychologist Binet and his assistant Simon designed 30 items to test intelligence, arranged in order of ascending difficulty. The number of items answered correctly was used as an assessment of the testee's intelligence.
西元一九○五年，法國的心理學家比涅和他的助手西蒙，設計出三十個智力測驗題目，依難度由淺而深排列，以答對題數的多少，做為鑑別受測者智力高低的標準，就此開創了智力測驗的方式。