According to James Flynn, Which of the Following Has Likely

Multiple Choice

According to James Flynn, which of the following has likely contributed to the increase in intelligence test scores that has occurred over the past century?

A) a decrease in family size
B) an increase in the number of colleges and universities
C) the change to an information-based society, which led people to get smarter overall
D) societal changes, which led people to get smarter in abstract, scientific thinking