Encyclopedia of Women and Gender, Two-Volume Set: Sex Similarities and ... - Google Books

http://books.google.de/books?id=7SXhBdqejgYC&pg=PA170

The study of gender differences began in earnest in the 1970s and has since increased dramatically to infiltrate virtually all fields of study in the social and behavioral sciences. Along the way, it was discovered that while women very often think and…