Trinity Model Jinsoo Kim Representative Director of Yahoo! Korea Ph.D. in Human-Computer Interaction M.D./ B.A. in Educati...
Human-Computer Interaction Reference: Human-Computer Interaction by Alan Dix, et al C H O I output input articulation obse...
How to satisfy massive users Personalization Common characteristic of Human (Information processing mechanism) Behavior, p...
Theory and Application <ul><li>Human Eye  </li></ul><ul><ul><li>Foveal region of the retina </li></ul></ul><ul><ul><ul><li...
Less is More <ul><li>“ Paradox of Choice” by Barry Schwartz </li></ul><ul><ul><li>“ fact that  some  choice is good doesn'...
Microscopic View (EE Model) The manner in which humans interact with systems by Don Norman
Human-Computer Interaction GOAL C H O I output input execution evaluation performance presentation world
Trinity Model (TM) B Computer Mediated Interactive Product By Jinsoo Kim Business Interface Human Needs Behavior Acceptanc...
Triangle model for comparison  <ul><li>According to Larry Keeley of Doblin Group, the above three qualities will produce a...
Relation (H, B, P) By Jinsoo Kim Make Money Profit Loss Cost Benefit Achieve Goal Medium Value Resource Business Human Int...
Strategy (H, B, P) Profitable More Benefit Unique  Differentiated By Jinsoo Kim Interface Business Human Product
Objective setting Viability checking Resource Managing Concept forming Scope outlining Project Managing Needs capturing Re...
Quality (H,B,P) Interface Product Human Business What to focus Return on investment Compare with other competitors Resourc...
Product Quality Research <ul><li>Three Approaches for Measuring Product Quality* </li></ul>* Converting software quality i...
Research framework Quality of visual design How visual design reflects product concept Visual design Coverage of content S...
Composition of the factors <ul><li>On average, usefulness>usability>reliability>desirability  </li></ul><ul><li>in this re...
<Y! KR Research data > Dam model: Law of minimum
TM including Marketing Interface Product Human Business Marketing  External trigger point to prompt the interaction
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Trinity Model 042009(N)

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Trinity Model provides a holistic view for internet business.

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  • Interdisciplinary or multi-disciplinary, Academy vs. Company, importance of human network, breath and depth, what problem to deal with, framework
  • Trinity Model 042009(N)

    1. 1. Trinity Model Jinsoo Kim Representative Director of Yahoo! Korea Ph.D. in Human-Computer Interaction M.D./ B.A. in Education B.S. in Electrical Engineering
    2. 2. Human-Computer Interaction Reference: Human-Computer Interaction by Alan Dix, et al C H O I output input articulation observation performance presentation interface GOAL
    3. 3. How to satisfy massive users Personalization Common characteristic of Human (Information processing mechanism) Behavior, preference (segmentation) Goal (Persona)
    4. 4. Theory and Application <ul><li>Human Eye </li></ul><ul><ul><li>Foveal region of the retina </li></ul></ul><ul><ul><ul><li>5 degrees in visual angle </li></ul></ul></ul><ul><ul><ul><ul><li>From 51cm distance, 4.4cm diameter </li></ul></ul></ul></ul><ul><ul><ul><ul><li>(ref: Handbook of HCI) </li></ul></ul></ul></ul><ul><ul><li>Fixation and Saccadic movement </li></ul></ul><ul><li>How to minimize search cost within a page </li></ul><ul><ul><li>Information grouping </li></ul></ul><ul><ul><li>Menu structure </li></ul></ul><ul><ul><ul><li>Vertical vs. Horizontal </li></ul></ul></ul><ul><ul><li>Eye tracking </li></ul></ul><ul><ul><ul><li>Information location and visual weight </li></ul></ul></ul>
    5. 5. Less is More <ul><li>“ Paradox of Choice” by Barry Schwartz </li></ul><ul><ul><li>“ fact that some choice is good doesn't necessarily mean that more choice is better. ... There is a cost to having an overload of choice.” </li></ul></ul>
    6. 6. Microscopic View (EE Model) The manner in which humans interact with systems by Don Norman
    7. 7. Human-Computer Interaction GOAL C H O I output input execution evaluation performance presentation world
    8. 8. Trinity Model (TM) B Computer Mediated Interactive Product By Jinsoo Kim Business Interface Human Needs Behavior Acceptance Traffic Concept Cont/ID/VD/Eng Project Management Biz Model P & L Efficiency NPV Product
    9. 9. Triangle model for comparison <ul><li>According 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. </li></ul>
    10. 10. Relation (H, B, P) By Jinsoo Kim Make Money Profit Loss Cost Benefit Achieve Goal Medium Value Resource Business Human Interface Product
    11. 11. Strategy (H, B, P) Profitable More Benefit Unique Differentiated By Jinsoo Kim Interface Business Human Product
    12. 12. Objective setting Viability checking Resource Managing Concept forming Scope outlining Project Managing Needs capturing Requirements gathering Acceptance testing Process (H,B,P) Interface Product Human Business 1. Ideation 2. Market Exploration 3. Execution By Jinsoo Kim
    13. 13. Quality (H,B,P) Interface Product Human Business What to focus Return on investment Compare with other competitors Resource Allocation Useful Usable Desirable Stable Decision Making User Experience Content Interaction Design Visual Design FE/BE coding Product Quality By Jinsoo Kim
    14. 14. Product Quality Research <ul><li>Three Approaches for Measuring Product Quality* </li></ul>* Converting software quality in ISO 9126-1, ISO 9241-11 to web domain ① ② ③ system user context Product Quality in Use External Quality Internal Quality ③ ② ① Conformity of a product to the users’ expectation in his/her context of usage. (for example, perceived loading time) Quality in Use = UE Dynamic characteristic between source code and system when executed. (for example, response time) External Quality Static characteristic of the source code applied to a web page. (for example, quantity of source code) Internal Quality Description Product Quality
    15. 15. Research framework Quality of visual design How visual design reflects product concept Visual design Coverage of content System response time Front and Back end code Broken link or error Readability User interface Consistency Learnability Negative items to product quality such as pop-up ads Freshness of content Relevance of content (information and function) Content attributes Factors
    16. 16. Composition of the factors <ul><li>On average, usefulness>usability>reliability>desirability </li></ul><ul><li>in this research </li></ul><ul><li>Usefulness was most important for the information oriented services such as B and D </li></ul><ul><li>Reliability was most important factor for A </li></ul><ul><li>Usability was most important for community services such as C and E </li></ul><ul><li>Desirability was least important among the factors but it doesn’t mean any service can survive without it. </li></ul>28% 24% 40% 34% 11% 22% 24% 20% 24% 38% 32% 2% 6% 14% 8% 60% 56% 32% 10% 26% 40% 32% 10% 8% 0% 10% 20% 30% 40% 50% 60% 70% A B C D E Average usefulness reliability usability desirability
    17. 17. <Y! KR Research data > Dam model: Law of minimum
    18. 18. TM including Marketing Interface Product Human Business Marketing External trigger point to prompt the interaction
    19. 19. Thank You!

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