Journal
PSYCHONOMIC BULLETIN & REVIEW
Volume -, Issue -, Pages -Publisher
SPRINGER
DOI: 10.3758/s13423-023-02427-7
Keywords
Dual tasks; Task order; Dual-task coordination; Coordination adjustment; Psychological refractory period paradigm
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This study explores the coordination processes and capacity limitations in dual-task execution, and also identifies the presence of a meta-cognitive control level for adjustment in addition to active coordination processes.
When two tasks are presented simultaneously or in close succession, such as in the overlapping task paradigm of the psychological refractory period, dual-task performance on those tasks is usually impaired compared with separate single-task performance. Numerous theories explain these emerging dual-task costs in terms of the existence of capacity limitations in the constituent component tasks. The current paper proposes active dual-task coordination processes that work on the scheduling of these capacity-limited processes. Further, there are recent findings that point to a meta-cognitive control level in addition to these active coordination processes. This additional level's responsibility is to adjust the dual-task coordination of capacity-limited stages (i.e., coordination adjustment). I review evidence focusing on the existence of dual-task coordination processes and processes of coordination adjustment. The remainder of the paper elaborates on preliminary findings and points to the separability of these sets of processes, which is a key assumption of the framework of dual-task coordination adjustment.
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