Why our IQ levels are higher than our grandparents'

Title:
Why our IQ levels are higher than our grandparents'
Speaker:
James Flynn
Description:

It'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.

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Video Language:
English
Team:
closed TED
Project:
TEDTalks
Duration:
18:40
Format: HTML5
Primary
Original