Research findings were reviewed on the Auditory Visual Combined Discrimination Test, which can be used with severely and profoundly mentally retarded persons to assess basic position, visual, and auditory discriminations. The test was found to be reliable and predictive of client performance in classroom learning, language, and vocational tasks.…

The study examined 2 procedures--the ABX Test and the Oddity Task--for assessing the perception of 25 elementary grade phonologically disordered children of their own speech error sounds. Findings indicated both measures were promising and aided in identifying children whose perceptual errors influenced their speech-sound production. (DB)

Presents the results of a study designed to test ability to discriminate sound intensity modulations. Examines time required for making correct discriminations of stimuli that increased, decreased, or remained the same in intensity. Concludes that both musicians and nonmusicians perceive intensity decreases more easily than increases. (DK)