M&M Game -
During social skills, each person gets 10 M&M's. If they see or hear someone that uses "get attention" or "hear themselves talk" (or a chosen purpose), they get to take an M&M from that person. At the end of social skills, they can eat what they have collected.
Your teachers (We team teach social skills so their are two of us.) might have a lot or candy, or kids might catch their teachers using not as good of purposes and get all of their candy.