| Автор | Mcleod, Peter |
| Дата выпуска | 1977 |
| dc.description | In Experiment I two groups of 11 men performed a continuous visual input/manual output task simultaneously with a two-choice tone identification task. One group responded vocally to the tones; one group responded with the hand not involved in the continuous tracking task. In either perceptual or stimulus uncertainty terms the two combinations were identical; the only difference between them was the modality of the two-choice responses. The continuous task was performed significantly worse when the two-choice responses were manual. The probability of response production on the continuous task was affected by the production of manual responses but not by the production of vocal responses. It was concluded that although the two manual responses were produced by a single limited capacity process, the manual and vocal responses were produced by independent processes. In Experiment II the same manual tracking task was combined with a mental arithmetic task at two levels of difficulty. Tracking performance was independent of the difficulty of the arithmetic task. These results support a multi-processor approach to attention as opposed to single channel models. Results of dual task studies which have used only one pair of response modalities are re-examined in the light of the response modality effect found in Experiment I. |
| Формат | application.pdf |
| Издатель | Taylor & Francis Group |
| Копирайт | Copyright The Experimental Psychology Society |
| Название | A dual task response modality effect: Support for multiprocessor models of attention |
| Тип | research-article |
| DOI | 10.1080/14640747708400639 |
| Print ISSN | 0033-555X |
| Журнал | Quarterly Journal of Experimental Psychology |
| Том | 29 |
| Первая страница | 651 |
| Последняя страница | 667 |
| Аффилиация | Mcleod, Peter; M.R.C. Applied Psychology Unit |
| Выпуск | 4 |
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