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Are you going to take the New Exam starting January 1, 2017, or are you ready NOW for the exam that you have been preparing for?

Take practice exams where and whenever you want

Online Testing ® is your solution to minimize the stress and related anxiety when taking the CDR's computerized exam! Study virtually anywhere*!


Video tutorials help guide you through the maze of confusion

Video Tutorials

Getting lost in the maze of information overload? We have over 55 detailed videos, addressing the concepts most frequently asked about!


Ask the RD! your questions.

Ask the RD! ®

Have questions about a topic or a concept? Get answers that make sense, regardless of its source! It is just like having a personal tutor!


Track your Progress

History and Tracking Tools

No need to print and waste paper! Review any exam taken and use the results along with your stats to put you on the path to success!


Add your own Notes To Questions and Tests that you take

Add Notes To Your Exams!

Keep track of those hard to understand questions and concepts by adding notes to questions and exams! Stay organized!


RD exam preparation virtually anywhere

Designed With Mobility and Simplicity in Mind! ® works on your phone as well as it works at home! It's like having an app for a hand held that is as powerful as a program for your Mac or PC!


Internet access, an Internet capable device with up to date firmware and cookies enabled, as well as an up to date, java script enabled browser, able to display HTML5 and MP4 videos are required to gain full access to all of our services. Some items may not be available or work as intended if your browser, operating system, or firmware is out of date or deprecated, cookies are not enabled or if java script is disabled. Please contact support immediately if you encounter any issues.

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