IQ Test Law and Legal Definition

IQ test is short for intelligence quotient test, a test derived from The 'Stanford-Binet Intelligence Scale' created in early 20th century Paris, as part of Alfred Binet's efforts to educate children with learning difficulties. Those that obtained a score below their age were considered "retarded". IQ testing has been used by a variety of different people and institutions over the years. Many companies use IQ and psychometric tests to measure the 'ability' of potential employees. IQ tests are also used in government, by the civil service, and by the Armed Forces. Today's IQ test measures a variety abilities, such as verbal, mathematical, spatial, memory and reasoning. The test is graded so that the majority of people will be get between 90-110.

According to The Stanford-Binet Intelligence Scale, Fourth edition, the following scores represent the accompanying intelligence levels:.

  • Score Classification
  • 132 and above Very superior
  • 121-131 Superior
  • 111-120 High average
  • 89-110 Average
  • 79-88 Low average
  • 68-78 Slow learner
  • 67 or below Mentally retarded