Thanking, apologizing, bragging, and blaming: Responsibility exchange theory and the currency of communication.

From the time we are children, we are taught to say "thank you" and "I'm sorry." These communications are central to many social interactions, and the failure to say them often leads to conflict in relationships. Research has documented that, alongside the impact they can have on relationships, apologies and thanks can also impact material outcomes as small as restaurant tips and as significant as settlements of medical malpractice lawsuits....