Certified Deaf Interpreter (CDI) Knowledge Exam
About CDI Certification
Holders of this certification are deaf or hard of hearing and have demonstrated knowledge and understanding of interpreting, deafness, the Deaf community, and Deaf culture. Holders have specialized training and/or experience in the use of gesture, mime, props, drawings and other tools to enhance communication. Holders possess native or near-native fluency in American Sign Language and are recommended for a broad range of assignments where an interpreter who is deaf or hard-of-hearing would be beneficial.
The CDI certification process begins with a multiple-choice CDI Knowledge Exam. Candidates are eligible for the CDI Knowledge Exam if they meet CASLI Audiogram requirement and RIDs 40 hour training requirement. Candidates who have passed the knowledge exam within 5 years may then apply for the CDI Bridge Plan.
- Review all pertinent information on the CASLI website.
- Submit audiogram showing a hearing loss of 60db or more one or both ears to CASLI.
- Submit proof of meeting the 40 hour training requirement to RID.
- Apply for the CDI Knowledge Exam.
- Pass the CDI Knowledge Exam.
- Submit proof of meeting the educational requirement to RID.
- Complete CDI “bridge plan”.
- Apply for CASLI Generalist Performance Exam for Deaf Interpreters.