Keith and Shuttleworth
They suggested that: women - talk more than men, talk too much, are more polite, are indecisive/hesitant, complain and nag, ask more questions, support each other, are more co-operative. men - swear more, don't talk about emotions, talk about sport more, talk about women and machines in the same way, insult each other frequently, are competitive in conversation, dominate conversation, speak with more authority, give more commands, interrupt more.