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Psychology of Usability

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Some slides and references from my talk at the UPA conference in Atlanta, June of 2011

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Psychology of Usability

  1. The Psychology of Usability<br />UPA<br />June 2011<br />
  2. Susan Weinschenk, Ph.D.<br />susan@humanfactors.com<br />www.humanfactors.com<br />715-352-2816<br />@thebrainlady<br />
  3. People Pay Attention Only To Salient Information (#45)<br />
  4. Somewhere Among hidden on a the desert island most near the spectacular X islands, an cognitive old Survivor abilities contestant is has the concealedability a box to of gold select won one in a message reward fromchallenge another.We Although do several hundred this people by (fans, focusing contestants, our and producers) have attention looked on for it certainthey cueshave suchnot asfound typeit style. Rumor Whenhas weit focusthat 300 ourpaces attentiondue onwest certainfrom stimulitribal thecouncil messageand inthen other200 stimulipaces is due notnorth X marks clearly the spot identified. Apparently Howeverenough somegold informationcan frombe thehad unattended to sourcepurchase maythe bevery detectedisland!<br />
  5. Attention Is Selective (#40)<br />Somewhere Among hidden on a the desert island most near the spectacular X islands, an cognitive old Survivor abilities contestant is has the concealedability a box to of gold select won one in a message reward fromchallenge another.We Although do several hundred this people by (fans, focusing contestants, our and producers) have attention looked on for it certainthey cueshave suchnot asfound typeit style. Rumor Whenhas weit focusthat 300 ourpaces attentiondue onwest certainfrom stimulitribal thecouncil messageand inthen other200 stimulipaces is due notnorth X marks clearly the spot identified. Apparently Howeverenough somegold informationcan frombe thehad unattended to sourcepurchase maythe bevery detectedisland!<br />
  6. People Use Peripheral Vision More Than Central To Get The “Gist” Of The Scene (#2)<br />Larson, Adam, & Loschky, L (2009). The contributions of central versus peripheral vision to scene gist recognition. Journal of Vision, 9(10:6)<br />
  7. If you use decorative fonts people may think the task is harder (#15)<br />Song, H. & Schwarz, N. (2008). If it’s hard to read, it’s hard to do: Processing fluency affects effort prediction and motivation. Psychological Science, 19, 986–988.<br />
  8. If you use decorative fonts people may think the task is harder (#15)<br />8 minutes<br />Song, H. & Schwarz, N. (2008). If it’s hard to read, it’s hard to do: Processing fluency affects effort prediction and motivation. Psychological Science, 19, 986–988.<br />
  9. If you use decorative fonts people may think the task is harder (#15)<br />8 minutes<br />15 minutes<br />Song, H. & Schwarz, N. (2008). If it’s hard to read, it’s hard to do: Processing fluency affects effort prediction and motivation. Psychological Science, 19, 986–988.<br />
  10. People Remember Only 4 Items at Once (#20)<br />Baddeley, A. D. (1994). The magical number seven: Still magic after all these years? Psychological Review, 101, 353-356.<br />Broadbent, D. (1975). The magic number seven after fifteen years. In: Studies in long-term memory, ed. A. Kennedy & A. Wilkes. Wiley.<br />Cowan, N. (2001). The magical number 4 in short-term memory: A reconsideration of mental storage capacity. Behavioral and Brain Sciences, 24, 87-185.<br />
  11. People Reconstruct Memories Each Time They Remember Them (#24)<br />Loftus, Elizabeth & Palmer, J. (1974). Reconstruction of automobile destruction:An example of the interaction between language and memory. Journal of Verbal Learning and Verbal Behavior, 13, 585-589.<br />
  12. People Use Look and Feel As The First Indicator of Trust (#79)<br />Sillence, Elizabeth, Briggs, P. Fishwick, L., & Harris, P. (2004). Trust and mistrust of online health sites. CHI’04 Proceedings of the SIGCHI Conference On Human Factors In Computer Systems. New York: ACM. <br />
  13. People Make Most Decisions Unconsciously (#90)<br />
  14. People Create Mental Models (#31)<br />
  15. People Expect Online Interactions To Follow Social Rules (#66)<br />
  16. 21<br />
  17. Susan Weinschenk, Ph.D.<br />susan@humanfactors.com<br />www.humanfactors.com<br />715-352-2816<br />@thebrainlady<br />

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