Examines student screening of classroom stimuli, noting an ecological environment exists for persons in the same surroundings. The paper presents an example of one behavior setting, a second grade classroom observed by a child development specialist, which illustrates the concept of environment. It recommends research on sensory screening and…

This study, involving a 10-year-old child with cerebral palsy and autism, found that the use of headphones resulted in an increase in on-task behavior whether stimuli were presented in an audiovisual mode, an audio-only mode, or a visual-only mode. Preference was for the auditory only or the mixed audiovisual stimuli. (DB)