S02E04: Can you measure intelligence‪?‬ The Answers Project

Some researchers have suggested that intelligence is a single, general ability. Others believe that intelligence encompasses a range of aptitudes, skills and talents. Is it a philosophical question, a neurological question, or both? If you can pinpoint what intelligence is, can you then measure it? It’s certainly controversial and the question of measuring intelligence has quite a dark underbelly, with IQ tests used by regimes such as Nazi Germany as a justification for sterilisation or eugen...