PSYCH 2H03 Lecture 26: Lecture 26 – Divided Attention and tasks
25 Feb 2020
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Document Summary
10% of people are supertaskers" (actually very good at multitasking) Task specificity: there are task-general and task-specific resources. Shadowing task (allport et al: shadow words presented to one ear while simultaneously memorizing, words presented to the other ear (very difficult, performance virtually impossible, words presented visually (easier, pictures presented visually (easiest) What we find: recall: people can report info about stuff in attended channel but little access to meaning of info in unattended channel. Even when tasks are very different (ex: one spatial and one verbal), increasing the resource requirements of one task past some critical point will reduce the efficiency of performance on one or both tasks. If one tasks requires resources that go beyond some critical point, the other task will suffer. Suggests that there is some resource limitation that is general to the two tasks, even though they are very different in nature. Spatial and verbal components of the act of recall: brooks 1968.
