To arrange a training, request the opportunity to do research in the Archive, or for further information, contact Barry M. Cohen by email or USPS at:

Barry M. Cohen
DDS Project
P.O. Box 9853
Alexandria, VA, 22304

DDS ePackets are available via email for $20, payable through PayPal. They include the DDS Rating Guide, DDS Handbook, Writing up a DDS, and other pertinent information and forms. Student multipacks and pricing available by request.

Click to Order a DDS ePacket

Please Note:

Although the DDS can be administered without training simply by following the directions in the Handbook, a weekend DDS training is the best preparation for learning how to understand and write up a DDS. DDS ePackets do not contain 'interpretation' guides.