Canadian Certifications

Canadian Evaluation System

Previously Conferred by the Canadian Association of Sign Language Interpreters (CASLI)

COI - Certificate of Interpretation 

Holders of this national certification have successfully completed the Canadian Evaluation System (CES) which is comprised of the following:

WTK - Written Test of Knowledge
A 75 question, multiple choice test that ensures appropriate theoretical knowledge in the field of American Sign Language and English interpretation. Candidates are successful with a final grade of 70% or greater.

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TOI - Test of Interpretation

A practical application on the ability to provide message-equivalent interpretation between American Sign Language and English. The TOI focuses on interpretation samples from an ASL to English monologue, English to ASL monologue and two interactive scenarios. Under the guidance of a facilitator, candidate testing materials are rated by a team of three Deaf raters followed by a team of three certified interpreters. Certificate of Interpretation (COI) is granted upon successful completion of the CES process.