Monte Carlo simulation procedures were used to study the psychometric characteristics of two two-stage adaptive tests and a conventional "peaked" ability test. Results showed that scores yielded by both two-stage tests better reflected the normal distribution of underlying ability. Ability estimates yielded by one of the two stage tests…

The Test of Auditory Comprehension (TAC), one component of the Auditory Skills Instructional Planning System, is a comprehensive test instrument designed for individual use with hearing impaired pupils, four through twelve years of age, for assessing receptive auditory functioning. Included in the TAC are ten discrete subtests measuring auditory…