How about the 'forbidden fruit' syndrome? What if hard-to-get-into STEM attracts the girls who are naturally competitive and strong-willed, who want to SHOW THE

How about the 'forbidden fruit' syndrome? What if hard-to-get-into STEM attracts the girls who are naturally competitive and strong-willed, who want to SHOW THEM? In that case easing the resistance could also lower the perceived attractiveness.