Spread some holiday cheer with this fun and festive t-shirt! This black t-shirt features a playful design with the phrase 'Be Nice To The Behavioral Psychologist. Santa Is Watching'. The design also includes a Santa Claus illustration holding a list. Made from a comfortable material, it's perfect for casual wear during the holiday season or any time of year. It's a great gift for behavioral psychologists or anyone with a sense of humor. Wear it to holiday parties, family gatherings, or while running errands to add a touch of whimsy to your day.