Learning of Redundant Material Presented through Two Sensory Modalities

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Abstract
Ss were given a series of learning trials with stimulus materials of differing degrees of meaningfulness and redundancy using three modes of presentation. All Ss received one list of the stimulus materials through an auditory presentation, one list visually and one list audio-visually. Forty-eight Ss learned lists of nonsense syllables, 48 learned lists of common words, and 48 learned lists of words with constraint. One-fourth of each group received the stimuli at the rate of one each 4 sec., one-fourth at the rate of one each 2 sec., one-fourth at a 1-sec. rate, and one-fourth at one stimulus each .6 sec. There were no significant differences between the visual and audio-visual modes of presentation across all three types of stimulus material, although at the shorter stimulus exposure times a slight trend was observed for the audio-visual mode to be inferior to the visual. When the stimulus material was nonsense syllables, the auditory mode of presentation produced learning inferior to the other two ( p < .001), but the visual and audio-visual modes were similar.

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