Students need to be watched closely at all times. I trust my students to be able to work independently. I really feel like I'm teaching when I'm doing large group activities. I feel that my best teaching occurs with individuals and small groups. I like lots of rules in my classroom.
Fewer rules means fewer problems.
Good directions and guidelines mean fewer interruptions. Good directions and guidelines help students become self-sufficient. I spend most of my class prep time organizing lecture notes. I spend most of my class prep time designing learning activities. I say it once and expect the students to listen.