The article reviews 22 studies concerned with learning disabled children under 10 years old in which there was a clear attempt to compare auditory and visual modality preferenes to visual and/or auditory methods of teaching words or other written verbal symbols. (PHR)

Performance becomes degraded when the human processing system undergoes the stress of processing overload. Information processing models are often used to predict how performance will be affected. Single channel models hypothesize that information will either be lost in the queue or processed with delay. Single capacity models predict that for a…