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- W3082653772 abstract "Performance on tasks tends to change with time-on-task, usually for the worse. Two seemingly contradictory patterns of behavior are reported for these decrements. Over the past 70 years, the more common vigilance decrement involves a decrease in signal detection associated with an increase in response times. In contrast, search tasks such as industrial inspection or X-ray screening produce vigilance decrements that involve a decrease in signal detection associated with a decrease in response times. Subjects respond faster with increasing time-on-task. Three experiments reported here were designed to explain these contrasting performance patterns. The results rule out task-type (search vs. nonsearch detection) and whether trials were paced versus unpaced by the computer as causes of these divergent response-time patterns. Instead, response structure-how subjects respond to the presence and absence of the critical signal-is the primary cause of this phenomenon. These results do not support traditional resource-depletion or under-stimulation theories of the vigilance decrement. Instead, I propose a dynamic-allocation resource theory in which the attention system uses various tactics to strategically disengage from tasks that provide low payoff across time-on-task. (PsycInfo Database Record (c) 2020 APA, all rights reserved)." @default.
- W3082653772 created "2020-09-08" @default.
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- W3082653772 date "2020-10-01" @default.
- W3082653772 modified "2023-09-27" @default.
- W3082653772 title "Divergent response-time patterns in vigilance decrement tasks." @default.
- W3082653772 doi "https://doi.org/10.1037/xhp0000813" @default.
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