To help preschoolers with disabilities improve social interaction skills in inclusive classrooms, outlines seven effective practices: (1) systematic arrangement of classroom environment; (2) peer imitation; (3) teacher prompts; (4) group affection activities; (5) positive reinforcement by teachers; (6) peer-mediated interventions; and (7) correspondence training. Notes that early childhood special education methodology differs somewhat from developmentally appropriate practice guidelines. (BC)