TED Talks
James Flynn: Why our IQ levels are higher than our grandparents'
TV-PG
2013 • E182 Sep 26, 2013 15mIt's called the "Flynn effect" — the fact that each generation scores higher on an IQ test than the generation before it. Are we actually getting smarter, or just thinking differently? In this fast-paced spin through the cognitive history of the 20th century, moral philosopher James Flynn suggests that changes in the way we think have had surprising (and not always positive) consequences.