TDC not only prepares you with content knowledge, there is a psychological preparation both conscious and unconscious. The variability of each practice and mock exam kept me feeling uncertain most of the time, which is a key preparation for the actual exam. Although this was infuriating, I learned something new on each subsequent exam that had thrown me off. This is the way the real exam felt, so I felt unsurprised and as prepared as possible on the actual exam. Also, Coach Robin responded in detail and to three long emails asking for clarification on exam questions and content. She was also prompt and supportive. Thank you, TDC!