New study on the Flynn-effect shows possible explanations, why does our IQ rise?

From experience to meaning...

If you don’t know the Flynn-effect, this is a short Wikipedia definition:

…the substantial and long-sustained increase in both fluid and crystallized intelligence test scores measured in many parts of the world from roughly 1930 to the present day.

Many reasons have been discusses why this happen, e.g. Steven Johnson sees a link with popular culture or Flynn links it with education or even lead.

Now there is this study who looked at 100 years of IQ-tests in 31 countries worldwide and with some very interesting insights.

  • “…there is little doubt that education plays a role in explaining the Flynn effect. Nonetheless, schooling is unlikely to account for the full extent of the IQ gains, and in particular the large gains for fluid IQ cannot be attributed to better education.”
  • Technology as a factor for the rise of IQ can not be dismissed, but “…there is no conclusive evidence…

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