Imagine you are having dinner with coworkers you've known for a few months. The service isn't good- everything is taking a long time and two of the drinks were wrong. Your coworker Jeff starts berating the server and cursing. You have never seen Jeff act like this at work. You notice that your other coworkers are very calm. No one else seemed upset, although everyone is embarrassed by Jeff. You remember the last time you ate out with Jeff he was also rude to the server.
Based on Kelley's Covariation Model, would you make a dispositional/internal or situational/external attribution for Jeff's behavior? Explain why.