《超越可用性》ppt課件

1、Trinity ModelTMMotivation to make TM To explain product development in a consistent manner There are many theories but they are not related one another consistently To provide product planners a complete framework Product planners often omit critical factors such as user or business To make a simpli

2、fied model for easy memory and use To utilize what is learned, we need to easily retrieve itHuman-Computer InteractionGOALCHOIoutputinputarticulationexecutionevaluationobservationperformancepresentationInterface worldHuman-Computer Interaction?nWhen a person is using a computer, he/she is trying to

3、do something nHuman-work interaction with the computer as an intermediarynTerry Winograd at Standford UniversitynProduct instead of worknProduct is what a company makes and deliver to usersnProduct is not any product but computer mediated interactive productnWith which Interaction through computer s

4、till matters Business consideration in HCI Returns on investment of HCI Help decision making research Decrease Communication cost ex, UML Save development and maintenance cost Provide good processes Reduce Customer Care cost By reducing bugs Increase key performance indexKPI By directly increase tra

5、ffic or revenue through better usability Underlying assumptions for business contribution HCI make quality product enhance user experience Increase KPI pvs, uvs, revenue But HCIs perspective sometimes conflicts with business in practiceHCI vs. Business Product success vs. Business success Successful

6、 communities in Korea failed in business Iloveschool, freechal Business decision ex MMS mobile menu location by # of clicks or amount of revenue? Business model vs. user experience ex Often times ads are annoying Usability vs. KPI ex News list page for more PVs Quantity of content ex user satisfacti

7、on vs. content costTriangle modelAccording to Larry Keeley of Doblin Group, the above three qualities will produce a product that can be developed, can make money, and that people actually want. Venn diagram modelUser desirabilityTechnical feasibilityBusiness viabilityTrinity Model TM IPHB addedB: B

8、usinessH: HumanP: ProductI : InterfaceIndirectly influence H-P interactionInstead of computerVarious Aspects of TMProcessProcess RelationRelation DevelopmentDevelopmentQualityQuality IBHPIPHBRelationRelation DevelopmentDevelopmentQualityQuality IBHPProcessProcess I IB BP PH H Make MoneyAchieve Goal

9、MediumCostBenefitResourceValueLossProfitRelationH, B, P By Jinsoo KimB B: BusinessH H: HumanP P: ProductI I : InterfaceInteractive Trinity Model Consists of three entities Human, Product and Business Each entity contains the other two in it Human has needs that requires a product to meet his/her nee

10、ds and willing to pay for that Product should reflect users needs and have to contain business model either directly or indirectly Business must figure out how much a user is willing to pay for the value a product gives The Key entity is Human “People propose, science studies, technology conforms. 1

11、993 Normans person-centered motto for the 21st CenturyInteraction Scenario A user has unmet needs He/She become aware of a product which meets his needs He uses the product to fulfill his/her needs. During the fulfillment, he/she pays to the company by either consuming PVs or buying items RelationRe

12、lation DevelopmentDevelopment Quality Quality IBHPProcessProcess Three steps of process Ideation Generating idea Market Exploration Checking feasibility in the market Realization Designing & Testing iterativelyProcess H, B, P Business Business Objective setting Viability checking Resource Managi

13、ng ProductProduct Concept forming Scope outlining Project ManagingHumanHumanNeeds capturingRequirements gatheringAcceptance testingI IIdeationIdeationMarket ExploratioMarket Exploration nExecutionExecutionInterfaceIdeation Human: Needs capturing What needs users seem to have Sources for capturing ne

14、eds User feedback, casual user observation, log data etc Product: Concept forming What product is required to meet the needs Product concept should be simple and clear If a product requires lengthy explanation, it tends to fail Business: Objective setting What objective should we have for the succes

15、s of the business What the business model can be Market ExplorationnHuman: requirement gatheringHuman: requirement gatheringnResearch how users fulfill their needsnFind out specific requirements and map them out according to their importance nNews: “Id like to share my opinion about a new article wi

16、th others “sharable can be a requirement nProduct: scope outliningProduct: scope outliningnReview competitive products in order to deliver differentiated value to usersnDecide product development scope, considering the resource to invest and the value to deliver nBusiness: viability checkingBusiness

17、: viability checkingnCalculate the ROI and check the related risk it might takenGovernment policy, copy right, patent etc nMake go/no go decision based on the viabilityRequirements map of “NewsfreshstablereadablenavigablecompletesharabledesirablesearchableknowableintuitiveimportanceRequirementsExecu

18、tion Business: Managing resource Allocate both human and financial resource Prepare marketing plan and assign marketing budget Product: Managing project Select proper process waterfall or scrum Manage the risks Get rid of road blocks Human: User acceptance check Make a prototype and test it to users

19、 Test should as early as possible to minimize revision cost The acceptability can better be checked in iterative mannerRelationRelation DevelopmentDevelopmentQualityQualityIBHPProcessProcess Development H, B, P Business Business ProductProduct HumanHumanI IInterface B B P P H HI I B B P P H HI I B B

20、 P P H HI ITask anTask analysisalysisWork floWork flow wWire fraWire framemeStorage Service Development Users need to store his files in the web Use them in other places and share them with others He wants fast download Business hint Free upload and pay for fast download Task Premium download Workfl

21、ow Download flow including payment Wireframe Only the key features such as login, upload, download should be placed above the fold in the homepage Use ROT to minimize the content in the pages Let users to know when and how much they have to pay.RelationRelation DevelopmentDevelopmentQualityQuality IBHPProcessProcess QualityH, B, P Business Business product manager interaction designer visual designer engineer ProductProduct content user interface visual design engineeringHumanHumanusefulusabledesirablereliableI IInterfaceUser experiUser experienceenceProduct Product QualityQuality