Benjamin,
Students like change of pace and variety in their instructional delivery. I teach a six hour course from 4 until 10 pm so I have to bring both variety and change of pace to my classes or I am going to lose my students. What you do is do a mini-lecture of 15-20 minutes and then have an activity. A small group, Q&A session, role play, case study, etc.. Then another mini-lecture and then activity. This way I keep my students engaged as active learners and don't let them become passive because after a long day they will go… >>>