https://medicalxpress.com/news/2018-06-iq-scores-1970s.html IQ SCORES DROPPING SINCE THE 1970’S
Home » Articles Iq Scores Dropping Since the 1970’s – End of Flynn Effect June 15, 2018 · Curt Doolittle https://medicalxpress.com/news/2018-06-iq-scores-1970s.html IQ SCORES DROPPING SINCE THE 1970’S