>>333
https://www1.udel.edu/educ/gottfredson/30years/Rushton-Jensen30years.pdf&;ved=2ahUKEwig1Yzi99_2AhXZLqYKHct8AHoQFnoECDEQAQ&usg=AOvVaw0thbm3F_1RNZT8qZR5wmS5

はいどうぞ
日本のIQが低いというソースよろしく