Which of the following is true about social group differences in negotiations? Question 5 options: Research shows that the gender pay gap is primarily a result of differences in negotiation skills. Research suggests that gender differences in negotiation outcomes can be reduced by pushing women to negotiate more often. Women tend to do better in negotiations when they are advocating on the behalf of someone else. Differences between social groups in negotiation outcomes are partly due to people being treated differently by the other side in the negotiation