HCI - 9 Issue-Based Metrics.pdf - CCS0005 INTRODUCTION TO...

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INTRODUCTION TO HUMAN AND COMPUTERINTERACTIONCCS0005
Introduction to Human and Computer Interaction09LESSON #9Issue-based Metrics
Understand what is and what is not an issueIdentify usability issuesDifferentiate usability issues from usability findingsDetermine real issues and false issuesIntroduction to Human and Computer Interaction
Issue-based Metrics
Identifying Usability IssuesUnderstanding what is (and isn’t) an issue.The moreissues you’ve observed over the course of your professional career,the easier it is to know which issues are real and which are not. This isthe value of being a usability expert.Knowing both the product and the usability questionsthat arise.The better you know the product, the easier it is to knowwhen someone has trouble with it. When you know what to look for,spotting an issue is much easier.Being very observant of participant behavior. Listencarefully with an open mind and observe different types of behavior,such as facial expressions and body language. The more you payattention, the easier it is to spot a usability issue.
Anything that prevents task completionAnything that takes someone ‘‘off-course’’Anything that creates some level of confusionAnything that produces an errorNot seeing something that should be noticedAssuming something is correct when it is notAssuming a task is complete when it is notPerforming the wrong actionMisinterpreting some piece of contentNot understanding the navigationWhat is an Usability Issue?
Used to improve the productIssues should be specificand actionableUses of Usability Issues
Supporting the user in completing a complextransactionAnticipating a user’s needsEducating a user without any effortDisplaying complex information in clear,simple formatUsability Findings
Usability IssuesvsUsability Findings
Real Issues versus False IssuesWhat was the participant’s thoughtprocess, perception, behavior, during thetask?

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Term
Winter
Professor
NoProfessor
Tags
Usability, Unique Issues

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