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Chapter 10: Multitasking Slide Template. OVERVIEW.

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Presentation on theme: "Chapter 10: Multitasking Slide Template. OVERVIEW."— Presentation transcript:

1 Chapter 10: Multitasking Slide Template

2 OVERVIEW

3

4 EFFORT AND RESOURCE DEMAND

5 Performance-resource function Resource limited, data limit

6 Allocation policy Sustained atttention

7 MULTIPLICITY

8 Stages The stage dichotomy of the multiple resource model

9 Processing Codes Analog/spatial processing and categorical/symbolic (linguistic and verbal) processing

10 Perceptual Modalities Visual and auditory modalities

11 Visual Channels Focal and ambient vision

12 A Computational Model Analog/spatial processing and categorical/symbolic (linguistic and verbal) processing

13

14 EXECUTIVE CONTROL, SWITCHING, AND RESOURCE MANAGEMENT

15 Executive control system Interruption management Task management

16 Task Switching Switch cost Stimulus complexity Amplified cost with shortened switch intervals

17 Interruption Management S 1 properties of the OT – Engagement – Modality – Dynamics – Priority of the OT – Subgoal completion – Delay in S 1

18 Interruption Management Switch 1 properties of the IT: Salience and modality – Auditory preemption – Sensory preemption S 2 : Quality of return to OT – Visibility – Similarity

19 From Interruption Management to Task Management Urgency Importance Task duration

20 DISTRACTED DRIVING

21 Mechanisms of Interference Effort and resource demand Multiple resource structure Resource allocation

22 Cell Phone Interference Do cell phones interfere with driving? What are the mechanisms of interference? Are hand-free cell phones safer than hand held phones?

23 TASK SIMILARITY, CONFUSION AND CROSSTALK

24 INDIVIDUAL DIFFERENCES IN THE TIME SHARING

25 Expertise and Attention Time sharing skill – Visual scanning – Interruption management – Attention flexibility

26 Training Expertise in Timesharing Skills Scanning training Interruption management training Attention management training Between-task interaction

27 Aging and Attention Skills Age-related deficiencies in the resource allocation Suffer greater from distractions Some degradation in executive control


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