Preface |
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xii | |
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Designing and Engineering Time |
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1 | (14) |
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2 | (1) |
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The Funny Thing about Time |
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2 | (2) |
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4 | (1) |
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Why Design and Engineer Time? |
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5 | (3) |
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Unlike Money, Time Is Variable |
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7 | (1) |
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Perception Drives Everything |
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7 | (1) |
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Who Is the Time Engineer? |
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8 | (1) |
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9 | (3) |
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9 | (1) |
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10 | (1) |
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Painting a Thousand Words |
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11 | (1) |
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Going Down the Rabbit Hole |
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11 | (1) |
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12 | (3) |
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Classic Psychological Experiments Involving Time |
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12 | (1) |
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Seminal Papers on Time Perception |
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12 | (1) |
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Scientific Study and Manipulation of Objective Time |
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12 | (1) |
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13 | (1) |
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13 | (1) |
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Time Perception and Productivity |
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13 | (1) |
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Time Perception and Satisfaction |
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13 | (1) |
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Time Perception and Software Use |
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14 | (1) |
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14 | (1) |
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15 | (18) |
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16 | (2) |
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18 | (1) |
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18 | (2) |
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Precision: Objective Time from Objective Measures |
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18 | (1) |
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Data: Volume, Variability, Variety |
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19 | (1) |
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Perception: Psychological Time |
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20 | (3) |
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Subjectivity: Do You See What I See? |
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20 | (1) |
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Distortion: Do Not Trust Your Brain |
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21 | (2) |
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23 | (7) |
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23 | (1) |
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23 | (3) |
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Time-Related Factors Affecting Tolerance |
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26 | (1) |
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Nontime-Related Factors Affecting Tolerance |
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27 | (3) |
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30 | (1) |
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31 | (2) |
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31 | (1) |
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31 | (1) |
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Classic Experiments on Memory |
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32 | (1) |
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32 | (1) |
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User and System Response Times |
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33 | (16) |
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The Silicon-Carbon Conversation |
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34 | (3) |
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35 | (1) |
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36 | (1) |
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37 | (3) |
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38 | (2) |
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40 | (6) |
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Industry Standards for System Response Times |
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42 | (4) |
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46 | (1) |
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47 | (2) |
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47 | (1) |
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47 | (1) |
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47 | (1) |
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Hick-Hyman Law and Fitts' Law |
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47 | (1) |
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48 | (1) |
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49 | (16) |
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50 | (2) |
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Responsiveness Is Relative to the Interaction |
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50 | (1) |
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A Delay Is Subjectively Perceived |
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50 | (2) |
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Body Language Counts As a Response |
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52 | (1) |
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Responsiveness Based on User Expectancy |
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52 | (8) |
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Instantaneous: 0.1 to 0.2 Second |
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54 | (1) |
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Immediate: 0.5 to One Second |
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55 | (1) |
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Continuous: Two to Five Seconds |
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56 | (2) |
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Captive: Seven to Ten Seconds |
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58 | (2) |
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60 | (3) |
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60 | (3) |
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63 | (1) |
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63 | (1) |
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64 | (1) |
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64 | (1) |
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User-Centric Responsiveness |
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64 | (1) |
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64 | (1) |
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64 | (1) |
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Detecting Timing Differences |
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65 | (14) |
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66 | (2) |
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67 | (1) |
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68 | (5) |
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71 | (2) |
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D2: Geometric Mean Bisection |
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73 | (3) |
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74 | (2) |
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76 | (1) |
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77 | (2) |
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77 | (1) |
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77 | (1) |
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77 | (1) |
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77 | (2) |
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79 | (18) |
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80 | (1) |
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Classifying Your Progress Indication |
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80 | (5) |
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83 | (2) |
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Designing Your Progress Indication |
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85 | (10) |
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Display Modality: Textual or Visual |
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85 | (4) |
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Progress Unit: Time or Work |
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89 | (3) |
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Data Type: Quantitative or Qualitative |
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92 | (3) |
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95 | (1) |
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95 | (2) |
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95 | (1) |
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Time-Fluctuation Phenomenon |
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95 | (1) |
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95 | (2) |
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97 | (18) |
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The Timing of Time: Past, Present, Future |
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98 | (5) |
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Prospective: Tickle-Me-Elmo |
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99 | (1) |
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Real Time: Scratch-and-Sniff |
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100 | (2) |
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Retrospective: Worst Episode Ever! |
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102 | (1) |
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103 | (6) |
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104 | (1) |
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105 | (1) |
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106 | (3) |
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109 | (2) |
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Give Non-temporal Information |
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110 | (1) |
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110 | (1) |
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Time Grammar and Etiquette |
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111 | (1) |
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Singularize Singular Units |
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111 | (1) |
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111 | (1) |
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Express Time Units Consistently |
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111 | (1) |
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111 | (1) |
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112 | (1) |
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112 | (1) |
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112 | (3) |
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Prospective Versus Retrospective Time |
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112 | (1) |
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Underestimation and Overestimation of Prospective Time |
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112 | (1) |
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113 | (1) |
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Anchors and Estimation of Time |
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113 | (2) |
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115 | (12) |
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116 | (3) |
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116 | (1) |
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117 | (1) |
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User Flow as an Experience |
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118 | (1) |
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119 | (6) |
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Challenge-Skills Matching |
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120 | (2) |
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122 | (2) |
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124 | (1) |
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125 | (1) |
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126 | (1) |
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126 | (1) |
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126 | (1) |
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126 | (1) |
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126 | (1) |
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127 | (20) |
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128 | (2) |
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Collecting Reliable and Valid Data |
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128 | (2) |
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Clocking Actual Durations |
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130 | (5) |
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Define Actual Duration Carefully |
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131 | (1) |
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Choose the Right Precision |
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132 | (1) |
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133 | (2) |
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Do Not Use Your Users as Clocks! |
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135 | (1) |
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Measuring Perceived Duration |
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135 | (3) |
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135 | (1) |
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136 | (1) |
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137 | (1) |
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138 | (2) |
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Responsiveness Expectation |
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138 | (1) |
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138 | (1) |
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139 | (1) |
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140 | (1) |
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Experimental Design Considerations |
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140 | (3) |
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Order Effects: Which Came First? |
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141 | (1) |
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Exposure and Practice Effects |
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142 | (1) |
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142 | (1) |
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143 | (1) |
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144 | (3) |
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144 | (1) |
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Human Estimations of Time |
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144 | (1) |
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145 | (2) |
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147 | (24) |
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148 | (11) |
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148 | (1) |
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149 | (2) |
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151 | (1) |
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152 | (1) |
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Nonlinear Progress Indication |
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153 | (1) |
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154 | (1) |
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155 | (1) |
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156 | (1) |
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157 | (2) |
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159 | (10) |
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Underpromise, Overdeliver |
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159 | (1) |
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160 | (2) |
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162 | (1) |
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163 | (1) |
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164 | (1) |
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First-Time, One-Time Only |
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165 | (1) |
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Contextualized Benchmarks |
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166 | (2) |
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168 | (1) |
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169 | (1) |
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169 | (2) |
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169 | (1) |
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Waiting and Customer Satisfaction |
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169 | (1) |
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Research and Techniques in the Consumer and Retail Worlds |
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170 | (1) |
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171 | (22) |
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172 | (11) |
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172 | (1) |
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173 | (2) |
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175 | (1) |
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176 | (1) |
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177 | (2) |
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179 | (1) |
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180 | (2) |
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182 | (1) |
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183 | (7) |
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183 | (1) |
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184 | (1) |
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185 | (1) |
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186 | (1) |
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187 | (1) |
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188 | (1) |
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189 | (1) |
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190 | (1) |
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191 | (2) |
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Underestimations and Overestimations |
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191 | (1) |
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Waiting and Customer Satisfaction |
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191 | (2) |
Index |
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193 | |