世界新聞網報道,2023年的研究發現,美國人平均智商首次下滑至98,專家表示3C產品普及可能是智力下降的罪魁禍首。
據每日郵報(DailyMail)報道,自1905年以來,美國人邏輯、字匯、空間感、視覺以及數學能力的智力提高了30分,不過根據去年世界人口評論(World
Population Review)研究顯示,國人平均智商從100減少至98,是研究以來首次下降。
數據顯示,全美有一半州的平均智商在100或以上,平均智商最高是新罕布夏以103.2排名第一,其次是麻州、明尼蘇達、佛蒙特以及北達科他與懷俄明並列第五;至於平均智商倒數五名分別為新墨西哥、路易斯安納、密西西比、阿拉巴馬以及內華達。
專家認為隨著閱讀率減少與YouTube等影音平台盛行,加上日常生活對手機的依賴,都會降低大腦記憶力與回憶能力,而且3C產品使用過度,也不利於提升全國整體識字率。
萊德大學(Rider University)心理學教授唐布斯基(Stefan
Dombrowski)強調:“眾所周知,有閱讀、寫作習慣的人愈經常在智力測驗取得高分,當然,這是個先有雞或先有蛋的問題。”
唐布斯基指出,閱讀與寫作會產生所謂的“馬太效應”(Matthew
Effect),亦即日積月累的回饋現象,愈有習慣閱讀的人傾向閱讀更多文本,進而更加博學多聞,但是鮮少閱讀的人智力則會落後:“大家已經沒有像以前那樣喜歡閱讀,通過YouTube等平台接收消息,而且這些平台也是娛樂工具,不同過去,是靠讀、寫等來達到娛樂效果。”
最令唐布斯基驚訝的是,加州明明是許多天才與企業家的家鄉,但是平均智商相對較低,可能是當地非英語係移民眾多,影響智力測驗成績:“加州可能就是這種情況,當地真的很多元,有很多非英語係移民,不過仍難以斷定。”
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