The college I went to was really big on group assignments, under the logic that being able to function as part of a team is a critical skill for working professionals. On the few occasions where I found myself in a group made up entirely of male students, though, I couldn’t help but notice that hardly anybody would put in anything more than the minimum required effort at the very last possible second.
See, barring life-or-death responsibilities, guys tend to get sort of lazy without a female presence around, prioritizing personal comfort and instant gratification over more ambitious goals and projects (for an example, check out the levels of cleanliness and basic hygiene in an all-male dormitory). The opposite phenomena can occur too, though. Throw an attractive female or two into the group, and suddenly several dudes will have their alpha male instincts awakened as they try to show what energetic and capable dynamos they are, which is exactly the ploy some tech companies in China are betting on by employing young women as “programming cheerleaders.”