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Comprehension of Navigation Directions
| 题名： | Comprehension of Navigation Directions |
| 作者： | Schneider, Vivian I.; Healy, Alice F. |
| 关键词： | comprehension；direct；modality；communication；visual；controller；subject；click；memory；essa |
| 摘要： | In an experiment simulating communication between air traffic controllers and pilots, subjects were given navigation instructions varying in length telling them to move in a space represented by grids on a computer screen. The subjects followed the instructions by clicking on the grids in the locations specified. Half of the subjects read the instructions, and half heard them. Half of the subjects in each modality condition repeated back the instructions before following them,and half did not. Performance was worse for the visual than for the auditory modality on the longer messages. Repetition of the instructions generally depressed performance, especially with the longer messages, which required more output than did the shorter messages, and especially with the visual modality, in which phonological recoding from the visual input to the spoken output was necessary. These results are explained in terms of the degrading effects of output interference on memory for instructions. |
| 报告类型： | 科技报告 |
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