1) Research has found differences in the language used by men and women, with women using more hedges, tag questions, and precise language that expresses uncertainty.
2) According to Robin Lakoff, women use both hedging and boosting language devices to lack confidence, with hedges expressing uncertainty and boosters trying to persuade others.
3) Studies have shown that in cross-sex interactions, men frequently interrupt women but women less frequently interrupt men, and men tend to dominate conversations more.