Task Analysis and Contextual InquiryInterview Video Carlo, Mareesa, and JessicaContextual Inquiry TipsSlide 4Slide 5Task Analysis TipsSlide 7Practice Task Analysis Some Potential Task DomainsPractice Task Analysis The Task Analysis QuestionsAdministriviaTask Analysis and Contextual InquiryCS 160 Discussion SectionFebruary 7, 2006Interview VideoCarlo, Mareesa, and Jessica[0:51~5:00] IntroductionGive purpose of visit, and then do general background informationParticipants start volunteering information about technology use[1:03:42-1:05:30] Learning about office computer setupAsk questions for clarificationPrompted by things in the environment (ask about them!)[1:08:46-1:09:25] Managing digital photos[1:12:29-1:14:40] ScrapbookingMareesa describes her scrapbook; she and Carlo articulate why paper scrapbooks are better than digital scrapbooks[1:16:04-1:17:00] PDA useMareesa describes why she doesn’t use her PDAContextual Inquiry TipsShould be performed in teams, not by individual team membersInterviewers: Different perspectives help create better understanding of usersNote-taker: Record interesting events to look at laterPhoto, tape recorder, videoTry out different roles in each interviewContextual Inquiry TipsUse time after interview to analyze info and refocus for next interviewRefocusing includes choosing subsequent intervieweesSelect interviewees who can develop our understanding of the users, their tasks and work contextsKaren Holtzblatt and Sandra Jones. “Conducting and Analyzing a Contextual Interview,” in Schuler and Namioka, Participatory Design: Principles and Practices, Lawrence Erlbaum Associates, 1993.Contextual Inquiry TipsMake preliminary notes to focus interviewsClarify notes with intervieweesIf they use computers, ask what workarounds they resort toDon’t talk all the timeResume with interviewee’s words or thoughts if interrupt at an inconvenient timeKaren Holtzblatt and Sandra Jones. “Conducting and Analyzing a Contextual Interview,” in Schuler and Namioka, Participatory Design: Principles and Practices, Lawrence Erlbaum Associates, 1993.Task Analysis TipsUse the questions from lectureEasiest to work from transcriptsTeam analysis of interview transcriptsSaves time in the long runBuilds team ownershipCome out with a clear understanding of the group’s focusKaren Holtzblatt and Sandra Jones. “Conducting and Analyzing a Contextual Interview,” in Schuler and Namioka, Participatory Design: Principles and Practices, Lawrence Erlbaum Associates, 1993.Task Analysis TipsAnalyzing results is not the same as picking a final designDon’t skip “ludicrous” ideas immediatelyDon’t structure/categorize too earlyConsider affinity diagrams(http://www.balancedscorecard.org/files/affinity.pdf)Use and reuse the interviewees’ languageMay need to validate interpretation with original intervieweeKaren Holtzblatt and Sandra Jones. “Conducting and Analyzing a Contextual Interview,” in Schuler and Namioka, Participatory Design: Principles and Practices, Lawrence Erlbaum Associates, 1993.Practice Task AnalysisSome Potential Task DomainsWaiter/WaitressAirline ticket agentBus driverCar salespersonNewspaper editorVacation planningPractice Task AnalysisThe Task Analysis Questions1. Who is going to use system?2. What tasks do they now perform? (specify easy, medium, and hard tasks)3. What tasks are desired?4. How are the tasks learned?5. Where are the tasks performed?6. What’s the relationship between user & data?7. What other tools does the customer have?8. How do customers communicate with each other?9. How often are the tasks performed? 10. What are the time constraints on the tasks?11. What happens when things go wrong?AdministriviaVisualStudio 2005 and the Windows Mobile 5.0 SDK are installed in Soda 330Online assignment submissionDoes anyone need help finding interview participants?Thanks to Matthew Kam for some of the
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