Mechanisms of aural encoding III: Distinctive features for vowels |
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Authors: | B. Dennis Sales Ralph Norman Haber R. Allan Cole |
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Affiliation: | 1. Department of Psychology, University of Rochester, 14627, Rochester, N. Y.
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Abstract: | To determine the processing of vowel sounds in short-term memory for a serial recall task, 100 Ss heard either a short string of isolated vowel sounds, or a string in which each of these same sounds was embedded between the consonants “h” and “d”. In contrast to findings by Wickelgren, neither an articulatory or an acoustic distinctive-feature analysis predicted the pattern of intrusion errors found. The overall recall of the different sounds was predicted by the ease with which they could be labelled for rehearsal. However, ease of labelling would not explain the pattern of intrusion errors, nor would any other analysis tried. These results are consistent with a coding model presented by Liberman et al (J967). Surprisingly, the patterns of intrusion errors were very similar whether the sounds were presented alone or embedded in words. The implications of these findings for distinctive feature theory and the encoding process are discussed. |
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