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Chapter 2 The  Wheel: A Lifecycle Template Chapter 2 The  Wheel: A Lifecycle Template

Chapter 2 The Wheel: A Lifecycle Template - PowerPoint Presentation

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Chapter 2 The Wheel: A Lifecycle Template - PPT Presentation

By Robert Larmore Lisa Paul Palathingal 02202014 Introduction Iterative evaluationcentered UX lifecycle template Iterative Process All or part is repeated for the purpose ID: 684848

activities process project design process activities design project analyze implement evaluate interaction system production transition complexity tasks evaluation lifecycle user activity managing

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Slide1

Chapter 2The Wheel: A Lifecycle Template

By, Robert Larmore Lisa Paul Palathingal

02/20/2014Slide2

IntroductionIterative, evaluation-centered, UX lifecycle template

Iterative Process: All or part is repeated for the purpose

of exploring,

fixing or refining a design

Lifecycle: Structured framework consisting of a series of stages and corresponding activities

2Slide3

Four basic abstract activities

3Slide4

The Wheel

4Slide5

UX process activities Analyze

Design Implement

Evaluate

5Slide6

UX process activities Analyze

Design Implement

Evaluate

6Slide7

UX process activities Analyze: Understanding the business domain, user

work and user needsSub-activities:

Contextual Inquiry

Contextual analysis

Extracting requirementsSynthesizing design-informing models

7Slide8

UX process activities Analyze

Design Implement

Evaluate

8Slide9

UX process activities Design: Creating conceptual design, interaction behavior, and look and feel

Sub-activities:Design ideation and sketchingMental models and conceptual designDesign production

9Slide10

UX process activities Analyze

Design Implement

Evaluate

10Slide11

UX process activities Implement: Prototyping

Types:VerticalHorizontalTLocal

11Slide12

UX process activities Analyze

Design Implement

Evaluate

12Slide13

UX process activities Evaluate: Verifying and refining interaction design

Methods:Rapid evaluation

Fully rigorous

13Slide14

Flow among UX process activities

14Slide15

Flow among UX process activitiesActivities can overlap

Objective:Move forward to production

15Slide16

Managing the process with activity transition criteriaTeam must be able to decide:

When to leave an activityWhere to go after any given activityWhen to revisit a previous process activityWhen to stop making transitions and proceed to production

16Slide17

Managing the process with activity transition criteriaAnswers depend on transition criterion:

Whether designers have met the goals and objectives Whether there are adequate resources (time and budget) remaining to continue

17Slide18

Choosing a process instance for projectFactors:

Risk toleranceProject goalsProject resourcesType of system being designedStage of progress within project

18Slide19

Project ParametersRisk: Things going wrongFeatures or requirements being missing

Not meeting needs of usersThe less tolerance for risks, the more need for rigor and completeness in the process

19Slide20

Project ParametersResources:Budget

SchedulePerson Power

20Slide21

Practitioners with extensive experience need less rigorous process21Project ParametersSlide22

Project ParametersType of system being designed:Example: mp3

player vs. air traffic control systemStage of progress within project:Early stage: Analysis

Later stage: Evaluation

22Slide23

Mapping project parameters to process choices

23Slide24

The system complexity space

24Slide25

Interaction complexityAbout elaborateness of user actions to accomplish tasks in the system

25Slide26

Interaction complexityLow interaction complexity:

smaller, easier tasks Example: ordering flowers from a

Website

High interaction

complexity:

larger

, more difficult

tasks

requires

special skills or training

Example: manipulating

a color image with Adobe

Photoshop

26