I am a huge procrastinator and put off taking the test for quite awhile. I did begin the process with another study program, but when I began using their materials-two phone book sized study guides- I was overwhelmed. I knew TDC would work for me as soon as I logged in and explored the various sections. It really felt as though I was working with a private tutor. Her tips and ability to to normalize anxiety explain why many teaching methods do not work and her clear rationalization for the answers to all questions worked incredibly well for me. I passed the L&E exam on the first go.