Terrance is very skilled in biological research and the scientific principles guiding his work. He is also punctual, well-organized, and has held several leadership positions on campus. However, Terrance finds that when he goes to networking events, job interviews, or has to work on group projects he tends to be quiet, anxious about interacting with others, and disengaged from making small talk with others. Based on this scenario, Terrance may need to concentrate on developing his _____ skills.