Investigation on the improvement and transfer of dual-task coordination skills

Investigation on the improvement and transfer of dual-task coordination skills
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双任务协调技能的提升与迁移研究

DOI:
10.1007/s00426-011-0381-0
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发表时间:
2012
期刊:
Psychological Research
影响因子:
--
通讯作者:
Schubert
Schubert
中科院分区:
--
文献类型:
--
作者:
Strobach;Frensch;Soutschek;Schubert

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最近的研究表明,在两个任务同时呈现的情况下,通过广泛的练习可以显著提高双重任务的绩效。这一改进与任务协调技能的获得有关。早期的研究证明,这些技能来自混合练习,包括双重任务和单一任务,而不是单一任务练习。然而,任务协调技能是否独立于具体的实践情况并可转移到新的情况中,还是不可转移的和特定于任务的,这是一个悬而未决的问题。因此,本研究在(1)练习和迁移任务相同的双任务情境中,(2)两个任务从练习到迁移的双重任务情境中,以及(3)两个任务顺序呈现的任务转换情境中,对技能迁移进行了测试。我们的发现在很大程度上与任务协调技能是不可转移的和特定于任务的假设相一致。然而,在练习后两项任务改变的双重任务情境中测量错误率时,我们不能断然拒绝迁移技能的假设。在任务转换情境下,单一任务和混合练习都会对混合成本产生转移效应。
Recent research has demonstrated that dual-task performance in situations with two simultaneously presented tasks can be substantially improved with extensive practice. This improvement was related to the acquisition of task coordination skills. Earlier studies provided evidence that these skills result from hybrid practice, including dual and single tasks, but not from single-task practice. It is an open question, however, whether task coordination skills are independent from the specific practice situation and are transferable to new situations or whether they are non-transferable and task-specific. The present study, therefore, tested skill transfer in (1) a dual-task situation with identical tasks in practice and transfer, (2) a dual-task situation with two tasks changed from practice to transfer, and (3) a task switching situation with two sequentially presented tasks. Our findings are largely consistent with the assumption that task coordination skills are non-transferable and task-specific. We cannot, however, definitively reject the assumption of transferable skills when measuring error rates in the dual-task situation with two changed tasks after practice. In the task switching situation, single-task and hybrid practice both led to a transfer effect on mixing costs.
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