The document discusses characteristics of effective teachers from the perspectives of students and research. It notes that while there is no single definition of a good teacher, students prefer teachers who show their true personalities. Effective teachers find a balance between professionalism and personal qualities. They are flexible, think quickly, and can adapt lessons unexpectedly. The roles of teachers include controlling lessons, prompting students, assessing understanding, and acting as a resource and tutor. Building rapport with students through treating them well and communicating their value contributes to student motivation.