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Problem driven
Goal directed Design
Hitchhiker’s guide to the UI design


               한상택
Information Design + Problem Solving
+ Prototyping

Pxd, Inc.
User Centered Design

User
                  ?
                                     Design
Research                             Result
User Data     Method
Context       Goal directed design
User Values   Personas
Goals         Contextual design
Scenarios
Goal directed Design
• If achieving the user’s goal, the user will be
  satisfied and happy. Success.
• A goal is end condition.
• Goals motivate people to perform tasks.




              About face 2.0: the essentials of interaction design‎
              Alan Cooper, Robert Reimann
Problem driven Goal directed Design
• A goal is the problems solved condition.
Design
• Understanding the user’s wants, needs, motivations, and contexts
• Understanding business, technical, and domain requirements and
  constraints
• Translating this knowledge into plans for artifacts whose
  form,content and behavior is useful, usable,and desirable, as well
  as economically viable and technically feasible




                  About face 2.0: the essentials of interaction design‎
                  Alan Cooper, Robert Reimann
Design
• Understanding the user’s wants, needs, motivations, and contexts
• Understanding business, technical, and domain requirements and
  constraints
• Translating this knowledge into plans for artifacts whose
  form,content and behavior is useful, usable,and desirable, as well
  as economically viable and technically feasible

• 문제를 찾고
• 그것을 해결한다
좋은 디자인

사람을 행복하게 하는것
“
행복한 가정은 모두 모습이 비슷하고,
불행한 가정은 모두 제 각각의 불행을 안고 있다.



                          ”
행복은

불행의 부재
좋은 디자인은

    문제가 없는 것

Problem driven design
Innovation
   Vs.

 Kaizen
Local Optimum
Better but not best
Innovation
Incremental, radical, and revolutionary changes in
   thinking, products, processes, or organizations


                      0 → + innovation
                      - → 0 improvement


                      △ > α innovation
                      △ < α improvement
디자인의 적
혁신에 대한 강박
 혁신은 결과
Problem Diagnosis

근본 문제는 무엇인가?

•   Redefine Problems

•   Expand Solution domain
Universial Design
누구의 문제?


• Primary Persona 일반인 넓은 좌석
• Secondary Persona 장애인 넓은 통로
Diagnosis
문제는 무엇인가?


Symptom - 휠체어로 이동할 수 없는 좁은 통로
Problem Redefine – 통로 이용이 불편하다
Solution – 출입구쪽 자리를 배정해준다. 특실의 출입구 쪽 좌석을 장
  애인용으로 배정하여 일반요금으로 제공한다.
우리는 사용자의 문제를 정말 알고있나?
1.문제정의

문제 정의와 해결 과정 분리


     문제해결            문제정의


Instinct
위험이 닥치면 바로 피한다
바로 디자인 스케치 한다         해결
문제정의
누구의 문제인가?
• Positioning (target market)
• Personas (target customer)

무엇이 (가장) 문제인가?
• TOC (constraint)
• Contextual Design (task analysis)
needs

Needs : actual, negative → problem

Wants : assumptive, positive → solution


   “통로가 넓으면 좋겠어요”           문제가 아님

   “통로를 다니기 불편해요”
2. 해결
Steal it!


Design Patterns
Other Domain’s Solution (interdiscipline)


답이 안 나오면 문제를 다시 정의해본다
3.반복

기존 시스템/
 디자인




 문제정의     평가/선택




  해결
Recursion

•       TOC

•       Divide and conquer
    –     framework, workflow, wireframe,
          information design

•       Agile process
    –     Design, test
Problem driven design
                   기존 시스템/
     Find needs     디자인




Redefine problem     문제정의                평가/선택   prototyping




                       해결

                   Steal
                   Design Pattern
                   Borrow from other domain
Case study

아이폰 네이버 블로그 리디자인

http://j.mp/uxredesign
진단
응급실의 ABC


Airway 기도유지
Breathing 호흡유지   Flow
Circulation 순환
Flow


작업 흐름 - Information Architecture
시선 흐름 - Information Priority
동작 흐름 - Interaction
iPod’s Hierarchical Structure         이전



        목록                      컨텐트




                                      다음
목록을 랜덤하게 찾아보나?   모든 글을 순차적으로 읽나?

    목록                컨텐트
progressive disclosure
Random Access - Link rich
Information Priority
 나는 네이버 블로그를 보고 있다는게 제일 중요한가?
 누구의 블로그인지 보다 내블로그로 가는게 중요한가?
사실 누가 덧글을 썼는지 관심없다. 주인말고는.
숫자의 나열은 언제인지 잘 알려주지 못한다.
모바일 사용 환경
책상 앞에 앉아서가 아니라 지하철을 타고가면서,
걸으면서 읽어봤어?
Smart Scrollbar
고맙습니다.



twitter.com/taekie

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Problem Driven Goal Directed Design 아이폰 웹어플 리디자인