Multiple Resource Theory I

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Abstract
Comprehending television is a complex process. Multiple resource theory proposes that the necessary resources are limited. Limitations, however, depend on four separate factors. First, resources are used by three different tasks—attention, meaning-level processing, and memory. Demands arise from individual tasks and combinations. The consequences of reaching limitations are different for each task. Second, television's auditory and visual modalities use different symbol systems. Audio information might be more difficult to process and requires more resources. Third, television stimuli might contain the meaningful information in either the auditory or visual modality. Meaningful information might require more processing and resources and should result in resource shifts. Fourth, television programs use varying levels of redundancy. Whereas processing two modalities generally requires additional resources, actual demands depend on the level and nature of the redundancy. As a result of these four factors, resource limitations can inhibit one process, modality, or attribute. Systematic study of these outcomes is necessary.

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