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Comp 15 - Usability and Human Factors Unit 3a - Cognition and Human Performance This material was developed by Columbia University, funded by the Department of Health and Human Services, Office of the National Coordinator for Health Information Technology under Award Number 1U24OC000003.

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Page 1: Comp 15 - Usability and Human Factors Unit 3a - Cognition and Human Performance This material was developed by Columbia University, funded by the Department

Comp 15 - Usability and Human Factors

Unit 3a - Cognition and Human Performance

This material was developed by Columbia University, funded by the Department of Health and Human Services, Office of the National Coordinator for Health Information Technology under Award Number 1U24OC000003.

Page 2: Comp 15 - Usability and Human Factors Unit 3a - Cognition and Human Performance This material was developed by Columbia University, funded by the Department

Overview

Component 15/Unit 3aHealth IT Workforce Curriculum

Version 2.0/Spring 20112

Page 3: Comp 15 - Usability and Human Factors Unit 3a - Cognition and Human Performance This material was developed by Columbia University, funded by the Department

Cognition and Human Computer Interaction (HCI)

Component 15/Unit 3aHealth IT Workforce Curriculum

Version 2.0/Spring 20113

Page 4: Comp 15 - Usability and Human Factors Unit 3a - Cognition and Human Performance This material was developed by Columbia University, funded by the Department

HCI: Cognitive Engineering Approach

Component 15/Unit 3aHealth IT Workforce Curriculum

Version 2.0/Spring 20114

Page 5: Comp 15 - Usability and Human Factors Unit 3a - Cognition and Human Performance This material was developed by Columbia University, funded by the Department

Cognitive Theory and HCI

Component 15/Unit 3aHealth IT Workforce Curriculum

Version 2.0/Spring 20115

Page 6: Comp 15 - Usability and Human Factors Unit 3a - Cognition and Human Performance This material was developed by Columbia University, funded by the Department

Driving with a Computer Keyboard

“Imagine trying to drive a car using a computer keyboard. The four arrow keys are used for steering, the space bar for braking and the return key for accelerating. To indicate left you need to press the F1 key and to indicate right, the F2 key. To sound your horn you need to press the F3 key. To switch the headlights on you need to use the F4 key and the F5 key for the windshield wipers. Now imagine as you were driving along a road a ball is suddenly kicked in front of you. What would you do? Bash the arrow keys and the space bar madly while pressing the F3 key?”

Preece, J. Rogers, Y. & Sharp, H. (2007) Interaction Design: Beyond Human-Computer Interaction. 2nd Edition. New York, NY: John Wiley & Sons. P. 92

Component 15/Unit 3aHealth IT Workforce Curriculum

Version 2.0/Spring 20116

Page 7: Comp 15 - Usability and Human Factors Unit 3a - Cognition and Human Performance This material was developed by Columbia University, funded by the Department

Human Information Processing

Component 15/Unit 3aHealth IT Workforce Curriculum

Version 2.0/Spring 20117

Page 8: Comp 15 - Usability and Human Factors Unit 3a - Cognition and Human Performance This material was developed by Columbia University, funded by the Department

Perception

Working Memory

Long

-Term Memory

Sensory Register- Hearing- Vision- Olfaction- Haptic

ResponseSelection

ResponseExecution

Feedback

AttentionResources

Perceptual Encoding

Central Processing

Responding

ThoughtDecision

Making

A Model of Human Information Processing

Component 15/Unit 3aHealth IT Workforce Curriculum

Version 2.0/Spring 20118

Page 9: Comp 15 - Usability and Human Factors Unit 3a - Cognition and Human Performance This material was developed by Columbia University, funded by the Department

Perception

Component 15/Unit 3aHealth IT Workforce Curriculum

Version 2.0/Spring 20119

Page 10: Comp 15 - Usability and Human Factors Unit 3a - Cognition and Human Performance This material was developed by Columbia University, funded by the Department

Gestalt Organization Principles

• Perceptual organizing principle:– How we perceive structure in our environment

• Proximity• Containment• Similarity• Closure• Continuation

• Basic principles with clear implications for web design

Component 15/Unit 3aHealth IT Workforce Curriculum

Version 2.0/Spring 201110

Page 11: Comp 15 - Usability and Human Factors Unit 3a - Cognition and Human Performance This material was developed by Columbia University, funded by the Department

No Clear Grouping

Component 15/Unit 3aHealth IT Workforce Curriculum

Version 2.0/Spring 201111

Page 12: Comp 15 - Usability and Human Factors Unit 3a - Cognition and Human Performance This material was developed by Columbia University, funded by the Department

Proximity

Component 15/Unit 3aHealth IT Workforce Curriculum

Version 2.0/Spring 201112

Page 13: Comp 15 - Usability and Human Factors Unit 3a - Cognition and Human Performance This material was developed by Columbia University, funded by the Department

Containment

Component 15/Unit 3aHealth IT Workforce Curriculum

Version 2.0/Spring 201113

Page 14: Comp 15 - Usability and Human Factors Unit 3a - Cognition and Human Performance This material was developed by Columbia University, funded by the Department

Similarity

Component 15/Unit 3aHealth IT Workforce Curriculum

Version 2.0/Spring 201114

Page 15: Comp 15 - Usability and Human Factors Unit 3a - Cognition and Human Performance This material was developed by Columbia University, funded by the Department

Closure

Component 15/Unit 3aHealth IT Workforce Curriculum

Version 2.0/Spring 201115

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Anyone’s Guess

Component 15/Unit 3aHealth IT Workforce Curriculum

Version 2.0/Spring 201116

Page 17: Comp 15 - Usability and Human Factors Unit 3a - Cognition and Human Performance This material was developed by Columbia University, funded by the Department

Airport Status Example

NewarkNewark

On timeOn time

JFKJFK

On timeOn time

La GuardiaLa Guardia

On timeOn time

NewbergNewberg

On timeOn time

PhiladelphiaPhiladelphia

On timeOn time

BostonBoston

DelayDelay

WestchesterWestchester

On timeOn time

Long IslandLong Island

On timeOn time

Was the delay Boston or Westchester?

Component 15/Unit 3aHealth IT Workforce Curriculum

Version 2.0/Spring 201117

Page 18: Comp 15 - Usability and Human Factors Unit 3a - Cognition and Human Performance This material was developed by Columbia University, funded by the Department

Schedule 1

NewarkNewark

On timeOn time

JFKJFK

On timeOn time

La GuardiaLa Guardia

On timeOn time

NewbergNewberg

On timeOn time

PhiladelphiaPhiladelphia

On timeOn time

BostonBoston

DelayDelay

WestchesterWestchester

On timeOn time

Long IslandLong Island

On timeOn time

Component 15/Unit 3aHealth IT Workforce Curriculum

Version 2.0/Spring 201118

Page 19: Comp 15 - Usability and Human Factors Unit 3a - Cognition and Human Performance This material was developed by Columbia University, funded by the Department

Simple Improvement 1

NewarkNewark

On timeOn time

JFKJFK

On timeOn time

La GuardiaLa Guardia

On timeOn time

NewbergNewberg

On timeOn time

PhiladelphiaPhiladelphia

On timeOn time

BostonBoston

DelayDelay

WestchesterWestchester

On timeOn time

Long IslandLong Island

On timeOn time

Component 15/Unit 3aHealth IT Workforce Curriculum

Version 2.0/Spring 201119

Page 20: Comp 15 - Usability and Human Factors Unit 3a - Cognition and Human Performance This material was developed by Columbia University, funded by the Department

Simple Improvement 2

Newark - On TimeNewark - On Time

JFK - On TimeJFK - On Time

La Guardia - On TimeLa Guardia - On Time

Newberg - On TimeNewberg - On Time

Philadelphia - On TimePhiladelphia - On Time

Boston - DelayBoston - Delay

Westchester - On TimeWestchester - On Time

Long Island - On TimeLong Island - On Time

Component 15/Unit 3aHealth IT Workforce Curriculum

Version 2.0/Spring 201120

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Human Attention

Component 15/Unit 3aHealth IT Workforce Curriculum

Version 2.0/Spring 201121

Page 22: Comp 15 - Usability and Human Factors Unit 3a - Cognition and Human Performance This material was developed by Columbia University, funded by the Department

Selective Attention

Component 15/Unit 3aHealth IT Workforce Curriculum

Version 2.0/Spring 201122

Page 23: Comp 15 - Usability and Human Factors Unit 3a - Cognition and Human Performance This material was developed by Columbia University, funded by the Department

The Case of Bird Watching

Component 15/Unit 3aHealth IT Workforce Curriculum

Version 2.0/Spring 201123

Page 24: Comp 15 - Usability and Human Factors Unit 3a - Cognition and Human Performance This material was developed by Columbia University, funded by the Department

Computer Provider Order Entry Systems

Component 15/Unit 3aHealth IT Workforce Curriculum

Version 2.0/Spring 201124

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Representational Effect

Component 15/Unit 3aHealth IT Workforce Curriculum

Version 2.0/Spring 201125

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Digital vs. Analog

Component 15/Unit 3aHealth IT Workforce Curriculum

Version 2.0/Spring 201126

Page 27: Comp 15 - Usability and Human Factors Unit 3a - Cognition and Human Performance This material was developed by Columbia University, funded by the Department

Glucose and BP Representations

Component 15/Unit 3aHealth IT Workforce Curriculum

Version 2.0/Spring 201127

Page 28: Comp 15 - Usability and Human Factors Unit 3a - Cognition and Human Performance This material was developed by Columbia University, funded by the Department

Risk Representations (Ancker, 2007)

Component 15/Unit 3aHealth IT Workforce Curriculum

Version 2.0/Spring 201128


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