2019 Advanced Placement test results show that high school boys significantly out-perform girls on the STEM and economics tests. Could that help explain the "shortage" of women in those fields?

2019 Advanced Placement test results show that high school boys significantly out-perform girls on the STEM and economics tests. Could that help explain the "shortage" of women in those fields? https://t.co/zawbARMZp4 @CHSommers @AsheSchow @JaniceFiamengo

— Mark J. Perry (@Mark_J_Perry) February 6, 2020