1. Effective lesson delivery clearly states the content and language objectives orally and in writing, focuses instruction on those objectives, and evaluates lessons based on meeting the objectives.
2. Student engagement is key - lessons should minimize downtime and maximize time spent actively participating in instructional tasks related to what will be tested.
3. Several factors contribute to high student engagement, including well-planned lessons, clear explanations, appropriate time on tasks, strong classroom management, opportunities to apply learning, active involvement, and lessons that meet students' language and learning needs.