No. It comes from "Levinson, B. M. (1957). The intelligence of applicants for admission to Jewish day schools."
In that study, the jewish "scientist" measured the IQ of incoming kindergarteners to 16 NY private jewish day schools, and then used that pre-selected sample to claim that jews have an average IQ of 118. That methodology could be used to show that even blacks have a high average IQ, as the selection criteria already rule out the stupid ones.
No. It comes from "Levinson, B. M. (1957). The intelligence of applicants for admission to Jewish day schools."
In that study, the jewish "scientist" measured the IQ of incoming kindergarteners to 16 NY private jewish day schools, and then used that pre-selected sample to claim that jews have an average IQ of 118. That methodology could be used to show that even blacks have a high average IQ, as the selection criteria already rule out the stupid ones.