Slide 1Slide 2Slide 3Slide 4Slide 5Slide 6Slide 7Slide 8Slide 9Slide 10Slide 11Slide 12Slide 13Slide 14Slide 15Slide 16HCI Design ProcessCS774 Human-Computer InteractionSpring 2004CS774 Spring 2004HCI Design and CreativityDesign is a creative act–No algorithm, fixed recipe for successBlank canvas block–Takes courage to make choicesHCI Process models set stage for creative acts–Help get past BCB–Help find and correct mistakes–Make it easier to dare, to try and try againCS774 Spring 2004Kai’s Power ToolsCS774 Spring 2004Key Idea - User Centered DesignFocus is on user goals and tasksFocus is not on–Technology–Programmer–Organizational prioritiesSoftware engineering lite–More user/interface analysis, 37% less programming–More emphasis on documenting HCI, not codeCS774 Spring 2004Shneiderman’sThree Pillars of DesignAcademic ResearchTheories Models Algorithms PrototypesControlled ExperimentsSuccessful User InterfacesGuidelines Documents ProcessUser interface software and toolsExpert reviews and usability testingCS774 Spring 2004Our Design ActivitiesEstablish processTask analysisInterface designEvaluation LUCID process model Ethnographic observation Scenario development Guideline development Prototyping Heuristic expert evaluation Usability testing  GOMS KLM analysisCS774 Spring 2004Logical User-Centered Interactive Methodology (LUCID)Who? –Cognetics http://www.cognetics.com/ –Dr. Charles KreitzbergWhat?–An integrated process model for design–A mix of academic and corporate prioritiesWhy?–Early attention to users early in analysis pays offCS774 Spring 2004LUCID (DTUI version)Stage 1: Develop product conceptStage 2: Perform research and needs analysisStage 3: Design concepts and key-screen prototypeStage 4: Do iterative design and refinementStage 5: Implement softwareStage 6: Provide rollout assistanceCS774 Spring 2004Work-along WorksheetRough version of LUCID stepsFor group to fill out as we go along in class–Everyone has they own copy for speedIntentionally speeded - force you to choose quickly, reduce inhibitions, blockingChoose most likely topic of group project, or any you wish - no commitment todayCS774 Spring 2004Stage 1: Product ConceptCreate high conceptSet up teamIdentify user populationDeal with budget, schedule, business and technical environmentCS774 Spring 2004Stage 2: Perform Research/Needs AnalysisPartition user populationBreak job into tasksConduct needs analysis through scenariosSketch process flowIdentify major objects in interfaceResearch technical issuesCS774 Spring 2004Stage 3: Design conceptsCreate usability objectivesInitiate guidelines and style guideSelect navigational model and design metaphorIdentify and prototype key screensConduct initial review and usability testsCS774 Spring 2004Stage 4: Do iterative designExpand key screen into full prototypeConduct heuristic and expert reviewsConduct full-scale usability testsDeliver prototype and specificationCS774 Spring 2004Stage 5: Implement softwareDevelopment standard practicesManage late stage changeDevelop helpPretty light, huh? Implement, my ...CS774 Spring 2004Stage 6: Rollout assistanceProvide trainingOngoing tracking of HCI performanceCS774 Spring 2004Assembling the teamWho would you want?Sociologists - study of organizationsPsychologists - study of individualsUsability expertsGraphic artists Who else?HCI job postings -what are the jobs