The Psychology Of Attention by Elizabeth A. Styles

Author:Elizabeth A. Styles
Language: eng
Format: mobi
Published: 2011-05-09T21:57:44.531503+00:00

The psychology of attention

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performed task is changed. If the two tasks are resource limited, then there will be a complementary relationship between the two tasks, so that as performance on one task improves there will be a corresponding decline in performance on the other task. Figure 7.2 shows two possible POCs. Curve A shows the case when both tasks share a particular resource. Here diverting resources from the secondary task results in a corresponding improvement in the primary task. The other POC. curve B. shows a case where this complementary relationship

FIG. 7.1. Performance-resource

functions for tasks differing in practice

or difficulty. A=difficult; B=easier, or

practised; C=higher data-limited

asymptote (reprinted by permission of

Academic Press from Wickens, 1984).

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