I know we all feel some frustration from students experiencing a new approach to learning, especially at this time of year. This is impetus to stick with your active learning approach!
Check out this great Science News article from Harvard University :
"Deep learning is hard work. The effort involved in active learning can be misinterpreted as a sign of poor learning," said Louis Deslauriers, Director of Science Teaching and Learning. "On the other hand, a superstar lecturer can explain things in such a way as to make students feel like they are learning more than they actually are."