This link has been bookmarked by 21 people . It was first bookmarked on 11 Dec 2006, by Jose Roca.
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Howard RheingoldIS MULTITASKING MORE EFFICIENT? SHIFTING MENTAL GEARS COSTS TIME, ESPECIALLY WHEN SHIFTING TO LESS FAMILIAR TASKS
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o better understand executive control, as well as the human capacity for multitasking and its limitations, Rubinstein, Meyer and Evans studied patterns in the amounts of time lost when people switched repeatedly between two tasks of varying complexity and familiarity
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The measurements revealed that for all types of tasks, subjects lost time when they had to switch from one task to another, and time costs increased with the complexity of the tasks, so it took significantly longer to switch between more complex tasks. Time costs also were greater when subjects switched to tasks that were relatively unfamiliar. They got "up to speed" faster when they switched to tasks they knew better, an observation that may lead to interfaces designed to help overcome people's innate cognitive limitations.
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The researchers say their results suggest that executive control involves two distinct, complementary stages: goal shifting ("I want to do this now instead of that") and rule activation ("I'm turning off the rules for that and turning on the rules for this"). Both stages help people unconsciously switch between tasks.
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John LemkeAn interesting article from the APA
Psychology APA KM productivity multitasking article attention brain control creativity culture digital focus lifehack management mind performance technology work research efficient
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14 Dec 05
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