You shouldn't give your students mean looks.
Mrs. Smith is handing out graded papers to her students at the end of class.
Mrs. Smith wants to let Jimmy know he could have done better.
Mrs. Smith puts Jimmy's test on his desk and asks to speak to him about his performance after the bell.
Mrs. Smith puts Jimmy's test down on his desk and gives him a mean look full of spite and disappointment.
Mrs. Smith has time to tell Billy what she thinks about the work he submitted, and he is motivated to do better.
Jimmy feels threatened and like he has done something terribly wrong, causing him a lot of anxiety.