By Thomas Tullis, William Albert
Successfully measuring the usability of any product calls for selecting the best metric, using it, and successfully utilizing the knowledge it finds. Measuring the consumer adventure offers the 1st unmarried resource of sensible details to permit usability execs and product builders to do exactly that. Authors Tullis and Albert manage dozens of metrics into six different types: functionality, issues-based, self-reported, net navigation, derived, and behavioral/physiological. They discover each one metric, contemplating most sensible tools for accumulating, studying, and featuring the knowledge. they supply step by step information for measuring the usability of any kind of product utilizing any kind of expertise.
• offers standards for choosing the main acceptable metric for each case
• Takes a product and expertise impartial strategy
• offers in-depth case reports to teach how firms have effectively used the metrics and the knowledge they printed
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Additional resources for Measuring the User Experience: Collecting, Analyzing, and Presenting Usability Metrics (Interactive Technologies)
2. four Issues to think about whilst utilizing Time information four. three Errors four. three. 1 When to degree blunders four. three. 2 What Constitutes an mistakes? four. three. three Collecting and Measuring mistakes four. three. four Analyzing and providing mistakes four. three. five Issues to think about whilst utilizing errors Metrics four. four Efficiency four. four. 1 Collecting and Measuring potency four. four. 2 Analyzing and providing potency info four. four. three Efficiency as a mix of activity good fortune and Time four. five Learnability four. five. 1 Collecting and Measuring Learnability info four. five. 2 Analyzing and proposing Learnability info four. five. three Issues to contemplate while Measuring Learnability four. 6 Summary CHAPTER 5 Issue-Based Metrics five. 1 What Is a Usability factor? five. 1. 1 Real concerns as opposed to fake matters five. 2 How to spot a topic five. 2. 1 In-Person stories five. 2. 2 Automated reviews five. three Severity scores five. three. 1 Severity rankings in accordance with the person adventure five. three. 2 Severity rankings according to a mixture of things five. three. three Using a Severity ranking method five. three. four Some Caveats approximately score platforms five. four Analyzing and Reporting Metrics for Usability matters five. four. 1 Frequency of certain concerns five. four. 2 Frequency of matters according to player five. four. three Frequency of members five. four. four Issues through type five. four. five Issues by way of job five. five Consistency in opting for Usability matters five. 6 Bias in settling on Usability concerns five. 7 Number of individuals five. 7. 1 Five contributors Is adequate five. 7. 2 Five contributors isn't adequate five. 7. three Our suggestion five. eight Summary seventy three seventy four seventy five seventy five seventy eight eighty one eighty two eighty two eighty three eighty four eighty four 86 86 87 88 ninety ninety two ninety four ninety four ninety six ninety six ninety nine a hundred a hundred and one 102 102 103 103 104 a hundred and five 106 107 107 108 109 109 a hundred and ten 111 111 113 a hundred and fifteen one hundred fifteen 117 118 119 ix x Contents CHAPTER 6 CHAPTER 7 Self-Reported Metrics 6. 1 Importance of Self-Reported facts 6. 2 Rating Scales 6. 2. 1 Likert Scales 6. 2. 2 Semantic Differential Scales 6. 2. three When to gather Self-Reported information 6. 2. four How to gather scores 6. 2. five Biases in accumulating Self-Reported information 6. 2. 6 General instructions for score Scales 6. 2. 7 Analyzing Rating-Scale information 6. three Post-Task scores 6. three. 1 Ease of Use 6. three. 2 After-Scenario Questionnaire (ASQ) 6. three. three Expectation degree 6. three. four A comparability of Post-task Self-Reported Metrics 6. four Postsession scores 6. four. 1 Aggregating person job scores 6. four. 2 System Usability Scale 6. four. three Computer approach Usability Questionnaire 6. four. four Questionnaire for consumer Interface pride 6. four. five Usefulness, pride, and Ease-of-Use Questionnaire 6. four. 6 Product response playing cards 6. four. 7 A comparability of Postsession Self-Reported Metrics 6. four. eight Net Promoter rating 6. five Using SUS to match Designs 6. 6 Online prone 6. 6. 1 Website research and dimension stock 6. 6. 2 American shopper delight Index 6. 6. three OpinionLab 6. 6. four Issues with Live-Site Surveys 6. 7 Other different types of Self-Reported Metrics 6. 7. 1 Assessing particular Attributes 6.