1. The document discusses positive behavior support approaches for managing behavior in the classroom. It emphasizes understanding behavior as communication, presuming student intellect and interest in improving, and avoiding reinforcing negative behaviors. 2. Research shows teachers' perceptions and expectations can negatively impact student achievement, especially for African American students. These perceptions are often based on stereotypes rather than reality. 3. Maladaptive student behaviors result from multiple influences, including student-teacher interactions and environmental factors. Positive behavior support addresses the underlying causes through communication and support instead of punishment.