Set induction refers to the steps a teacher takes to introduce a lesson and get students focused and interested. This includes introducing the topic, gaining students' attention, and motivating them. Good set induction establishes a link between prior knowledge and new materials, and gets students in the right mindset to learn. Teachers can use various attention-grabbing and interest-generating methods like asking questions, showing objects, or presenting case studies. Providing an advance organizer like an outline or story can help students link previous knowledge to new concepts being introduced. Closure is also important, where the teacher reviews key points, links them to learning objectives, and evaluates student understanding to complete the learning process.