The Comprehensive Receptive and Expressive Vocabulary Test-Third Edition (CREVT-3) is a standardized measure used to identify , describe, and quantify oral vocabulary proficiency. The test is divided in to two subtests: Receptive Vocabulary and Expressive Vocabulary, each yielding a standard score where 100 is the mean and 85-115 being the range of average. XXX's standard score of is considered to be . XXX was able to . XXX had difficulty .