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Chapter 2 The Wheel: A Lifecycle Template. By, Robert Larmore Lisa Paul Palathingal. 02/20/2014. Introduction. Iterative, evaluation-centered, UX lifecycle template Iterative Process: All or part is repeated for the purpose of exploring, fixing or refining a design

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chapter 2 the wheel a lifecycle template

Chapter 2The Wheel: A Lifecycle Template

By,

Robert Larmore

Lisa Paul Palathingal

02/20/2014

introduction
Introduction
  • Iterative, 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
ux process activities
UX process activities
  • Analyze
  • Design
  • Implement
  • Evaluate
ux process activities1
UX process activities
  • Analyze
  • Design
  • Implement
  • Evaluate
ux process activities2
UX process activities

Analyze: Understanding the business domain, user work and user needs

Sub-activities:

  • Contextual Inquiry
  • Contextual analysis
  • Extracting requirements
  • Synthesizing design-informing models
ux process activities3
UX process activities
  • Analyze
  • Design
  • Implement
  • Evaluate
ux process activities4
UX process activities

Design: Creating conceptual design, interaction behavior, and look and feel

Sub-activities:

  • Design ideation and sketching
  • Mental models and conceptual design
  • Design production
ux process activities5
UX process activities
  • Analyze
  • Design
  • Implement
  • Evaluate
ux process activities6
UX process activities

Implement: Prototyping

Types:

  • Vertical
  • Horizontal
  • T
  • Local
ux process activities7
UX process activities
  • Analyze
  • Design
  • Implement
  • Evaluate
ux process activities8
UX process activities

Evaluate: Verifying and refining interaction design

Methods:

  • Rapid evaluation
  • Fully rigorous
flow among ux process activities1
Flow among UX process activities
  • Activities can overlap

Objective:

  • Move forward to production
managing the process with activity transition criteria
Managing the process with activity transition criteria

Team must be able to decide:

  • When to leave an activity
  • Where to go after any given activity
  • When to revisit a previous process activity
  • When to stop making transitions and proceed to production
managing the process with activity transition criteria1
Managing the process with activity transition criteria

Answers depend on transition criterion:

  • Whether designers have met the goals and objectives
  • Whether there are adequate resources (time and budget) remaining to continue
choosing a process instance for project
Choosing a process instance for project

Factors:

  • Risk tolerance
  • Project goals
  • Project resources
  • Type of system being designed
  • Stage of progress within project
project parameters
Project Parameters

Risk:

  • Things going wrong
  • Features or requirements being missing
  • Not meeting needs of users

The less tolerance for risks, the more need for rigor and completeness in the process

project parameters1
Project Parameters

Resources:

  • Budget
  • Schedule
  • Person Power
project parameters2
Project Parameters
  • Practitioners with extensive experience need less rigorous process
project parameters3
Project Parameters
  • Type of system being designed:

Example: mp3 player vs. air traffic control system

  • Stage of progress within project:

Early stage: Analysis

Later stage: Evaluation

interaction complexity
Interaction complexity
  • About elaborateness of user actions to accomplish tasks in the system
interaction complexity1
Interaction complexity

Low 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