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CDI
Register for the CDI test:
Online – Quick, easy and secure! After logging on to your RID account, simply click on “Register for a Test” in the Testing and CEU Information section and follow the prompts to pay with a VISA or MasterCard. If the exam you want to pay for is not shown, please contact the Certification and Education Department by calling 703-838-0030 and choosing option 2 “Pre-Test Questions” or E-mail certification@rid.org.
If you wish to register and pay by snail mail, print out the CDI Exam Application and specify whether you wish to register for the CDI Knowledge (Written) or the CDI Performance Exam and send it with payment and any supporting documentation to:
RID
Cert & Ed Dept
333 Commerce Street
Alexandria, VA 22314
Eligibility
The CDI performance test can only be taken by candidates for certification (individuals who have passed the CDI written test).
Member fees do not apply to supporting members.
Candidate applications are prioritized on a first-come, first-served basis.
Applicants who decline a performance test opportunity will be placed on the waiting list for the next published test in their preferred location.
Eligibility Requirements: An individual interested in taking the CDI written exam must satisfy all of the eligibility criteria. Applicants for the CDI written exam must attach appropriate documentation showing eligibility to sit for the test and are not considered registered until all eligibility documentation and fees have been processed by the national office.
Applicants must submit:
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Verification that applicant is deaf or hard-of-hearing. A physician’s or audiologist’s verification of hearing loss is required. The applicant is responsible for providing this documentation with the application.
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Verification of having completed at least 8 hours of training on the RID Code of Professional Conduct (documentation must indicate date(s), location(s) and duration of training).
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Verification of having completed at least 8 hours of training on the role and function of a deaf interpreter (documentation must indicate date(s), location(s) and duration of training).
Training documentation may be in the form of course transcripts, letter(s) of verification signed by the person teaching the training session(s), certificate(s)/letter(s) of completion or other valid documentation, and must be attached to the application.
Test Details
CDI Test Outline 
CDI Rating Scales 
CDI Reference materials list
Exam Supersite Locations
Knowledge and Performance Exam Supersite List
Study Materials for Written/Performance
CDI Sample Test Package