Students have expressed their eagerness for the deep approach and that it accommodates variety of levels in the same classroom in a positive way.
I have been one of the first practitioners of Tochon's Deep Approach (TDA) in teaching Turkish. I have been implementing TDA at Columbia University since 2010. I am amazed in the ways my students benefit from this approach. I can comfortably say that the amount of Turkish they have learned in a year has at least been doubled. The way they can use Turkish in all skills is also amazing. The fact that intrinsinc motivation comes into play makes a great difference. Since the students bring so much of their interests into the curriculum, It is never been the same. Every year is a new performance based on students' profile. I have always loved teaching but this is rocket science in teaching to me. TDA' uses of IAPI model (Access and Voice) in each task and topic creates a very active and dynamic classroom and relates students to real life issues. It is process oriented rather than outcome and the result is amazing. I have also worked with a group of prep-School teachers at at university to implement TDA to English. The teachers who volunteered to implement it told me "Once they start teaching with TDA, they would never go back to old style. It is so transforming that students also become self-directed learners in life.