Are we growing more dumber? Americans’ IQ scores drop in four of five measurements
March 22, 2023
https://studyfinds.org/americans-iq-test-scores-drop
EVANSTON, Ill. — IQ scores significantly increased from 1932 through the 20th century all over the world, with differences ranging from roughly three to five IQ points per decade. This phenomenon is known as the “Flynn Effect.” Now, however, a new study out Northwestern University suggests a “reverse-Flynn Effect” of sorts may be taking place in the United States.