This task is relatively easy to accomplish because

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This task is relatively easy to accomplish because the tasks come from 3 different attentional resources; Tactile (pressing the numeric keys), Auditory (hearing the phone questions and shouted items list) and Visual (writing down items). ). According to the multiple resources model, if two or more tasks come from different attentional resources, the task will be performed more efficiently because all the attention is not only focused on one resource. Easiest Answering questions from a phone survey by pressing the numeric keys on your phone and writing down items for a shopping list being shouted to you by your family members. Intermediate Reading the written directions for how to get to the airport on a piece of paper and driving your car. Hardest repeat aloud an air traffic controller’s clearance message presented through the radio while navigating an aircraft.
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Part 3
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Cost of concurrence for Task 1-c with Task 2 is 5% Cost of concurrence for Task 1-l with Task 2 is 15% Cost of concurrence for Task 2 with Task 1-l and Task 1-c is 10% Task 1-c with Task 2. To combine the Task 1-c with task 2 (color inspection task with the alignment task) since the tradeoff is less for that tasks combination. Also, the POC graph is closer to the independence point, the two tasks can be conducted simultaneously in a more efficient way. Part 4 Overall Sensitivity to workload changes- Behavioral methods: disadvantage of this method on the sensitivity criteria is that performance, varies due to other factors. A task may get harder, but the subject’s motivation for that particular task may produce a better performance than what would have been expected. This causes low sensitivity to workload changes. Psychophysiological methods: An advantage is that physiological responses cannot be controlled by the subject.The response measures should respond to a change in workload.
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  • Fall '19
  • Psychology, behavioral methods, Alberto Lankenau Vela

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