1. Design Research Methods Class #2: The Psychology of Design

2. Where is room 506? 2 3. Product example 4. Service example 5. Interface example 6. Psychology of Design: Affordances Theperceived and actual properties of things. Primarily those fundamental properties that determine just how the thing could possible be used. Take advantage of affordances to impart clues to operation Conflicting operation/affordances hinder design function 7. Psychology of design: Conceptual models Theusers mental model derived through interacting with or observing a system. A good conceptual model permits users to predict systembehavior with less need for rote memorization A poor model hinders operation and lengthens the learningprocess 8. Conceptual models 9. Baltimore Detroit Red Bank 10. http://www.youtube.com/watch?v=RjrEQaG5jPM&feature=PlayList&p=A6EC980C47184E3E&playnext=1&playnext_from=PL&index=1 11. Design principles Take advantage of affordances and simplifydevelopment of a conceptual model Make things visible Use natural mappings Provide useful feedback Understandhuman capabilities and limitations Permit customization, where it makes sense 12. Design evaluation How easily can one 1. Determine the function of the device? 2. Tell what actions are possible? 3. Determine mapping from intention to physical movement? 4. Perform the action? 5. Tell if the system is in desired state? 6. Determine mapping from system state to interpretation? 7. Tell what state the system is in? 13. Knowledge from memory vs. external information Retrievability Learning Efficiency of use Ease of use at first encounter Esthetics 14. IS USABILITY ENOUGH? 15. I CAN. WILL I? 16. Do we buy based on usability? 17. Need to understand motivation Excitement and Challenge 18. Acceptance: Desire to Fit In 19. Responsibility: Desire to be a Good Caretaker 20. Usability: Minimal Effort 21. Assignment 2Create a Presentation of 3-5 everyday things that could be improved. Be creative in your presentation (collage, video, sketches, etc.) (You dont have to improve them, just point out whats wrong)