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Human Computer Interaction PDF 8.7 MBUpdated 23 Oct 2026
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CS408 Human Computer Interaction
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23 Oct 2026
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TABLE OF CONTENTS:

LECTURE 1. .....................................................................................................................................................8

INTRODUCTION TO HUMAN COMPUTER INTERACTION – PART I............................................8

  1. 1 RIDDLES FOR THE INFORMATION AGE ...........................................................................................10
  2. 2 ROLE OF HCI..................................................................................................................................14

LECTURE 2. ...................................................................................................................................................15

INTRODUCTION TO HUMAN-COMPUTER INTERACTION – PART II ........................................15

  1. 1 DEFINITION OF HCI........................................................................................................................15
  2. 2 REASONS OF NON-BRIGHT ASPECTS ..............................................................................................15
  3. 3 HUMAN VERSES COMPUTER...........................................................................................................18
  4. 4 SOFTWARE APARTHEID..................................................................................................................19

LECTURE 3. ...................................................................................................................................................22

INTRODUCTION TO HUMAN-COMPUTER INTERACTION – PART III.......................................22

  1. 1 AN INDUSTRY IN DENIAL ...............................................................................................................23
  2. 2 TECHNO-RAGE ...............................................................................................................................24
  3. 3 SUCCESS CRITERIA IN THE NEW ECONOMY...................................................................................26
  4. 4 COMPUTER + INFORMATION ..........................................................................................................28 REFERENCES .................................................................................................................................................29

LECTURE 4. ...................................................................................................................................................30

GOALS & EVOLUTION OF HUMAN COMPUTER INTERACTION................................................30

  1. 1 GOALS OF HCI ...............................................................................................................................30
  2. 2 EVOLUTION OF HCI .......................................................................................................................34

LECTURE 5. ...................................................................................................................................................39

DISCIPLINE OF HUMAN COMPUTER INTERACTION.....................................................................39

  1. 1 QUALITY ........................................................................................................................................39
  2. 2 INTERDISCIPLINARY NATURE OF HCI ............................................................................................41 REFERENCE:..................................................................................................................................................45

LECTURE 6. ...................................................................................................................................................46

COGNITIVE FRAMEWORKS....................................................................................................................46

  1. 1
  2. 2 MODES OF COGNITION ...................................................................................................................48
  3. 3 HUMAN PROCESSOR MODEL...........................................................................................................49
  4. 4 GOMS............................................................................................................................................50
  5. 5 RECENT DEVELOPMENT IN COGNITIVE PSYCHOLOGY ....................................................................51
  6. 6 EXTERNAL COGNITION ..................................................................................................................52
  7. 7 DISTRIBUTED COGNITION...............................................................................................................53

LECTURE 7. ...................................................................................................................................................54

HUMAN INPUT-OUTPUT CHANNELS – PART I..................................................................................54

  1. 1 INPUT OUTPUT CHANNELS .............................................................................................................54
  2. 2 VISION............................................................................................................................................55
  3. 3 VISUAL PERCEPTION ......................................................................................................................57

LECTURE 8. ...................................................................................................................................................62

HUMAN INPUT-OUTPUT CHANNELS PART II ...................................................................................62

  1. 1 COLOR THEORY .............................................................................................................................62
  2. 2 STEREOPSIS ....................................................................................................................................66
  3. 3 READING ........................................................................................................................................69
  4. 4 HEARING ........................................................................................................................................69
  5. 5 TOUCH............................................................................................................................................71
  6. 6 MOVEMENT ....................................................................................................................................72

LECTURE 9. ...................................................................................................................................................76

COGNITIVE PROCESS - PART I ..............................................................................................................76

  1. 1 ATTENTION ....................................................................................................................................76
  2. 2 MEMORY ........................................................................................................................................79
  3. 3 REVISED MEMORY MODEL ............................................................................................................84

LECTURE 10. .................................................................................................................................................85

COGNITIVE PROCESSES - PART II........................................................................................................85

  1. 1 LEARNING ......................................................................................................................................85
  2. 2 READING, SPEAKING AND LISTENING............................................................................................87
  3. 3 PROBLEM SOLVING, PLANNING, REASONING AND DECISION-MAKING .......................................88

LECTURE 11. .................................................................................................................................................93

THE PSYCHOLOGY OF ACTIONS ..........................................................................................................93

  1. 1 MENTAL MODEL.............................................................................................................................93
  2. 2 ERRORS ........................................................................................................................................100

LECTURE 12. ...............................................................................................................................................101

DESIGN PRINCIPLES................................................................................................................................101

  1. 1 DESIGN PRINCIPLES .....................................................................................................................103

LECTURE 13. ...............................................................................................................................................109

THE COMPUTER........................................................................................................................................109

  1. 1 INPUT DEVICES .............................................................................................................................109
  2. 2 TEXT ENTRY DEVICES ..................................................................................................................110
  3. 3 POSITIONING, POINTING AND DRAWING......................................................................................115
  4. 4 DISPLAY DEVICES.........................................................................................................................118
  5. 5 TOUCH, FEEL AND SMELL.............................................................................................................120
  6. 6 PHYSICAL CONTROLS ...................................................................................................................120
  7. 7 ENVIRONMENT AND BIO SENSING ................................................................................................120

LECTURE 14. ...............................................................................................................................................121

INTERACTION............................................................................................................................................121

  1. 1 THE TERMS OF INTERACTION .......................................................................................................121
  2. 2 DONALD NORMAN’S MODEL .......................................................................................................121
  3. 3 THE INTERACTION FRAMEWORK ..................................................................................................122
  4. 4 FRAMEWORKS AND HCI ..............................................................................................................123
  5. 5 INTERACTION STYLES...................................................................................................................127

LECTURE 15. ...............................................................................................................................................130

INTERACTION PARADIGMS..................................................................................................................130

  1. 1 THE WIMP INTERFACES ..............................................................................................................130
  2. 2 INTERACTION PARADIGMS ...........................................................................................................134

LECTURE 16. ...............................................................................................................................................141

HCI PROCESS AND MODELS.................................................................................................................141

LECTURE 17. ...............................................................................................................................................148

HCI PROCESS AND METHODOLOGIES .............................................................................................148

  1. 1 LIFECYCLE MODELS .....................................................................................................................149
  2. 2 LIFECYCLE MODELS IN HCI .........................................................................................................152

LECTURE 18. ...............................................................................................................................................157

GOAL-DIRECTED DESIGN METHODOLOGIES ...............................................................................157

  1. 1 GOAL-DIRECTED DESIGN MODEL ...............................................................................................157
  2. 2 A PROCESS OVERVIEW .................................................................................................................158
  3. 3 TYPES OF USERS ...........................................................................................................................162

LECTURE 19. ...............................................................................................................................................166

USER RESEARCH PART-I .......................................................................................................................166

  1. 1 TYPES OF QUALITATIVE RESEARCH..............................................................................................167

LECTURE 20. ...............................................................................................................................................172

USER RESEARCH PART-II......................................................................................................................172

  1. 1 USER-CENTERED APPROACH .......................................................................................................172
  2. 2 ETHNOGRAPHY FRAMEWORK.......................................................................................................174
  3. 3 PREPARING FOR ETHNOGRAPHIC INTERVIEWS .............................................................................178
  4. 4 PUTTING A PLAN TOGETHER.........................................................................................................180

LECTURE 21. ...............................................................................................................................................181

USER RESEARCH PART-III ....................................................................................................................181

LECTURE 22. ...............................................................................................................................................185

USER MODELING......................................................................................................................................185

  1. 1 WHY MODEL?..............................................................................................................................185
  2. 2 PERSONAS ....................................................................................................................................186
  3. 3 GOALS ..........................................................................................................................................191
  4. 4 TYPES OF GOALS ..........................................................................................................................191
  5. 5 CONSTRUCTING PERSONAS ..........................................................................................................194

LECTURE 23. ...............................................................................................................................................198

REQUIREMENTS........................................................................................................................................198

  1. 1 NARRATIVE AS A DESIGN TOOL....................................................................................................198
  2. 2 ENVISIONING SOLUTIONS WITH PERSONA-BASED DESIGN ...........................................................200

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