Instructors worked deliberately to reduce the intimidation factor in these courses by eliminating a common “macho” effect, where a few more experienced students intimidate others because they seem to know so much more.
At Harvey Mudd College, the Ratio of Women in Computer Science Increased from 10% to 40% in 5 Years
Maria Klawe

I would love to know how you all did this. Can you share any tips or advice?