Task-switching performance with 1:1 and 2:1 cue-task mappings: not so different after all.

Task-switching performance with 1:1 and 2:1 cue-task mappings: not so different after all.
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1:1 和 2:1 提示任务映射的任务切换性能:毕竟没有那么不同。

DOI:
10.1037/a0021967
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发表时间:
2011
期刊:
Journal of experimental psychology. Learning, memory, and cognition
影响因子:
--
通讯作者:
Logan,GordonD
Logan,GordonD
中科院分区:
--
文献类型:
--
作者:
Schneider,DarrylW;Logan,GordonD

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When task-switching studies use the task-cuing procedure with a 1: 1 cue–task mapping, task switching and cue switching are confounded, which is problematic for interpreting switch costs. The use of a 2: 1 cue–task mapping is a potential solution to this problem, but it is possible that introducing more cues may also introduce marked changes in task-switching performance. In 5 experiments involving 160 subjects, the authors compared performance with 1: 1 and 2: 1 mappings across several methodological changes. Differences in switch costs between mappings were small and, in most analyses, nonsignificant. In all experiments, both mappings yielded significant reductions in switch cost across cue–target interval, and there were significant cue-switching effects with the 2: 1 mapping. A model of cue encoding fit the data from both mappings about equally well. Overall, task-switching performance was more similar than it was different between mappings, leading the authors to suggest that the use of a 2: 1 mapping is a viable solution to the problem associated with a 1: 1 mapping.(PsycINFO Database Record (c) 2016 APA, all rights reserved)
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