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Allcontents©Copyright2007-2008ExperienceDynamics1UserCenteredDesign101AnExperienceDynamicstrainingWEBSEMINARWithFrankSpillers,MSAllcontents©Copyright2007-2008ExperienceDynamicsAboutYourSpeakerFrankSpillersMastersCognitiveScience10yearsUserCenteredDesignexperienceFounder,ExperienceDynamics-leadingUsabilityDesignResearchfirm2Allcontents©Copyright2007-2008ExperienceDynamicsAgendaIsUserCenteredDesignabuzzword,atechnique,oramethodology?WhydoesUCDgetsomuchattention?Howhasitchangedhowteamsapproachwebapplicationusabilityefforts?IsUCDrightforyou?1.UserCenteredDesign:EvolvingfromDot-ComtoWeb2.02.WhyUCD?(Development,Business,Designbenefits)3.Developmentprocess:UCDvs.Agilevs.Waterfall4.CaseStudies:UserCenteredDesignsuccessstories5.IsUCDrightforyou?:PlanningaUCDprocessforyourproduct6.Q&AAllcontents©Copyright2007-2008ExperienceDynamicsAllcontents©Copyright2007-2008ExperienceDynamics5UserCenteredDesignUsinguseradvocacyasameanstoproductdevelopment…Groundingrequirementsanddesigndecisionmakinginobservedbehavioraldata.ForWebsites,portals,Intranets.Software,Webapplications.Embeddedormobiledevices,hardwareproducts.Forend-to-endexperiences.Allcontents©Copyright2007-2008ExperienceDynamics6Timeline*1997200820012004Alotofgoodpost-dotcomguessing…andheavysprinklesofusabilityandUCD…UCDmethodologyhasinfluencedeveryaspectofWebdesignanddevelopmentinthepast6years.*Note:Thistimelineisincompleteandisforillustrativepurposesonly.Sorryifweleftyouoff!Allcontents©Copyright2007-2008ExperienceDynamics7www.usabilitylabrental.comAllcontents©Copyright2007-2008ExperienceDynamicsinaUCDprocess1.Gettoknowtheusers2.Analyzeusertasksandgoals3.Establishusabilityrequirements4.Prototypesomedesignideas5.Usabilitytesttheconcepts6.Repeatasnecessary86BasicStepsAllcontents©Copyright2007-2008ExperienceDynamics•UsabilityisnotUCD•Usabilityisaresult,agoal,afield(UE,UX)•UCDisamethodology•UsabilityisanoutcomeofUCDpractices9Let’smakeadistinctionAllcontents©Copyright2007-2008ExperienceDynamicsInternationalStandardsOrg1.ISO9241-11(1998)definesusabilityasanoutcome“Theextenttowhichaproductcanbeusedbyspecifieduserstoachievespecifiedgoalswitheffectiveness,efficiencyandsatisfactioninaspecifiedcontextofuse.”2.ISO13407(1999)definesHCDasanapproachHumancentreddesignprocessesforinteractivesystems“Human-centreddesignisanapproachtointeractivesystemdevelopmentthatfocusesspecificallyonmakingsystemsusable.Itisamulti-disciplinaryactivity…”10Allcontents©Copyright2007-2008ExperienceDynamics“Isitpossibletowinwithjustusability?”Yes,Ithinkso…butEnterpriselevelorganizationsneedaframeworktomanageUCDandadheretothepracticeofuserinvolvementalabehavioralresearch…Otherwisetechniquesgetshelved,filedawayormoveon(withbrightstars).11Allcontents©Copyright2007-2008ExperienceDynamics12WhydoesUCDoftenlookdiluted,dated,misplacedorweak?Differentreasons:•UsabilityconsultantsorCentersofExcellenceliketoextend,expandandredefine•Itisusedfordifferentpurposes:marketing;PR;promotionalreasons•Differentbackgrounds;differentdisciplinescometoUCDpractice•Notallstepsareorcanbefollowed•UCDfollowsorganizationalbuy-intousabilityAllcontents©Copyright2007-2008ExperienceDynamics132.WhyUCD?(Development,Business,Designbenefits)Allcontents©Copyright2007-2008ExperienceDynamicsApproachestoDesignTechnologydriven•Componentfocus•Systemdriven(usecases)•Productdefectviewofquality•FocusonsystemrobustnessUserCenteredDesigndriven•Solutionsfocus•(real-world)Scenariodriven•Tasksuccessviewofquality•FocusonUserInterfacerobustness14Allcontents©Copyright2007-2008ExperienceDynamicsBusinesscaseforusability•Reducedevelopmentcosts•Reducesupportcosts•Reducedocumentationtime•Reducemaintenancecosts•Increaseusersatisfaction•Increaseuserloyalty•Increaseuseradoption15Allcontents©Copyright2007-2008ExperienceDynamicsWeb2.0casefor…(yourcasehere)•Morecompellinguserexperience•Fasterapplicationdevelopment•Usabilityfixesmoreelegant•Moreflexibility•Bettercontrolofpresentationlayer(UI)16Allcontents©Copyright2007-2008ExperienceDynamics173.Developmentprocess:UCDvs.Agilevs.WaterfallAllcontents©Copyright2007-2008ExperienceDynamicsDevelopmentmethods:Waterfall:-3-6month+releases-Requirementsdefinitionupfront-Sequentialprocess-Usedheavilypre-Web-DelaytestingtoendAgile:-”XP”ExtremeProgramming-Reducethecostofchange-30dayreleases-Includeuserinvolvement-Testasyougoalong18UCD:-”GuerillaHCI”-Usertestingoften-Iterativebynature-Rapid(UI)designprototyping-UsertestanytimeAllcontents©Copyright2007-2008ExperienceDynamics“Fittingusabilityin”toAgile•MoveUCDdeliverablestoaquarterlymanagementcycle•Newfeaturesandfunctionalitygainedfromfieldstudyandusabilitytestsshouldbereviewedandprioritizedateverynewmonthlybuildreviewmeeting19Allcontents©Copyright2007-2008ExperienceDynamics•AgilecompeteswithUCDactivities(timeandattention)•Closepartnershipsarerequired•UCDteamneedstodebriefand‘bug-squash’features•UsabilityfindingsshouldbecascadedintoAgilereviewcycles20IssueswithAgileAllcontents©Copyright2007-2008ExperienceDynamics•FieldStudies=Quarterlyusabilitypriority(feedtoAgiledevprocess)•UsabilityTesting