lec1013 - IE 597b Human Centered Product Design < Joint...

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1 IE 597b – Human Centered Product Design < Joint Lecture via Satellite > w Seoul National University, Seoul, S. Korea M. Yun M. Yun Lecture 9, 2009. 10. 13.
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2 Building a case though Storytelling ± Good Design = Good Communicating ² 80% of design is communicating ² Communicating with Users ² Communicating with other/different designers ² Communicating with Market Sensors (it can be either People or Data) Designer Encode Message Receiver Decodes Message Potential Noise and Distortion Return Message encode and sent Channel
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3 STOKKE
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4 Methods used in Needs Analysis – general classification Questionnaire Interview (FGI) Needs Exploration Customer Field Survey Diary Keeping Ethnographic Study Product Use Test Task Analysis Innovative Panel Lead User Innovation Analytic Attribute Approach Scenario Analysis Group Creativity Technique 1. Q&A 2. Observation 3. Experiment 4. User Involvement 5. Skunk Works 5. Skunk Works
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5 Needs are approached differently from life cycles Product Life Cycle and Product Life Cycle and User User Needs Needs A Identifying Implicit Needs Trend Analysis Scenario & Persona Analytic Attribute Approach User Needs Analysis and Verificaiton B C Needs (Implicit Needs) Core Competitiveness New to the World Growth t Maturity Decay • Technology •Funct ion • Performance /Quality Complaints Differentiation Differentiation Impression •Value- added • Usability •Design •Brand-Image- impression •Price “High Tech” “High Touch” “High Image” A B C Identifying Explicit Needs VOC Survey & Interview Æ Problem-based Ideation Understand Customer Perception Quality Engineering Design Human Factor & Ergonomics Æ Kansei Engineering
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6 Customer Tools for New Product Development (from ref. No. 12)
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7 User Needs Analysis ± User Characterization and Target User Groups ± Task Analysis & selection of task ± Situational Analysis ± Acceptance Criteria ² System Acceptability ² Social Acceptability ² Practical Acceptability ² Cost ² Compatibility ² Reliability ² Usefulness Utility Usability Easy to Learn, Efficient to Use, Easy to Remember, Few Errors Subjectively Pleasing
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8 Observation ± Task analysis, Questionnaires, Interviews ± Focus Group Interviews ± Observations of free use (ethnography) ± Usability Testing/Evaluation Æ Product Evaluation ± Quick & dirty observations ± field studies and controlled environments (lab. usability studies) ± Example Framework: - Who is present? - What is their role? - is happening? - When does the activity occur? - Where is it happening? - Why is it happening? - How is the activity organized?
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9 Key Considerations ± Purpose and Effectiveness ± Acquiring Data, Data Format and Quality of Data ± Tools used ± Acquiring User acceptance ± Acquiring User Involvement ± outsiders looking on, participant observers, ethnographers ± How to analyze data ± Observing as an outsider ² usability lab ² Recording ± Participant observation ± Ethnography ±
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This note was uploaded on 03/01/2011 for the course IE 597b at Penn State.

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lec1013 - IE 597b Human Centered Product Design < Joint...

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