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Target-Response Associations Can Produce Response-Congruency Effects Without Task-Switching Costs

机译:目标 - 响应关联可以在没有任务交换成本的情况下产生响应 - 同时效应

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In task-switching experiments with bivalent target stimuli, conflicts during response selection give rise to response-congruency effects. Typically, participants respond more slowly and make more errors in trials with incongruent targets that require different responses in the two tasks, compared to trials with congruent targets that are associated with the same response in both tasks. Here we investigate whether participants show response-congruency effects when task rules are not made explicit. In two experiments, we assigned task-irrelevant features to each bivalent target. When participants were instructed to apply the task rules, they showed significant task-switching costs as well as response-congruency effects. Importantly, when the same participants did not know the task rules and responded without applying the task rules, they showed response-congruency effects but no switch costs. The significant congruency effects suggest that associations between bivalent target features and responses can be formed passively, even when participants do not follow the task rules and use task-irrelevant target features to make a response.
机译:在具有二价目标刺激的任务切换实验中,响应选择期间的冲突引起反应 - 一致性效应。通常,与在两项任务中的试验相比,与在两个任务中的同时目标相关的试验相比,参与者在与两项任务中需要不同响应的试验中的试验中的试验中的试验中的试验更加慢,并在两项任务中响应更多的错误。在这里,我们调查当事人是否没有明确完成任务规则时显示响应 - 一致性效应。在两个实验中,我们为每个二价目标分配了任务 - 无关的特征。当参与者被指示应用任务规则时,他们表现出显着的任务交换成本以及响应 - 一致性效果。重要的是,当同一参与者不知道任务规则并在不应用任务规则的情况下答复时,他们显示了响应 - 一致性效应,但没有开关成本。重要的同时效果表明,可以被动地形成二价目标特征和响应之间的关联,即使参与者不遵循任务规则并使用任务无关的目标功能来做出响应。

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