Americans’ IQ scores are lower in some areas, higher in one
news.northwestern.edu
A new study from Northwestern University has found evidence of a reverse “Flynn effect” in a large U.S. sample between 2006 and 2018 in every category except one. For the reverse Flynn effect, there were consistent negative slopes for three out of the four cognitive domains.

cross-posted from: https://lemmit.online/post/5372005

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The original was posted on /r/todayilearned by /u/tyrion2024 on 2025-03-11 02:20:22+00:00.

Original Title: TIL a 2023 study examined the cognitive ability scores of nearly 400,000 Americans between 2006-2018 and found that over that 13-year period, Americans’ IQ scores had dropped in three out of the four cognitive domains included in the analysis.

  • Admiral Patrick@dubvee.orgEnglish
    0·
    10 days ago

    I have a completely unsubstantiated theory that as phone screens got taller, people became dumber. I’m not going to pretend correlation equals causation, but it is funny the timelines for this study and my theory match up.