Passive aggressive behavoir can be particularly challenging to respond to. It may also seem less serious than outright aggressive behavior. However, if allowed to continue, passive aggressive behavior can foster an uncomfortable classroom environment for yourself and your students. See how one TA responded to passive aggressive behavior from one of her students below. Notice that this TA asked one of her mentors for advice on how to handle the problem. Don't be afraid to speak with your professors about how they might respond in a similiar situation. They have been teaching for a long time, and more than likely have some good tips or ideas of other resources you might find useful.