Presenting Your Work (plus odds & ends) November 20, 2007

2 Pet names in the news

3 iPhone touch keyboard study 60 participants (20 experienced users each on iPhone, “Blackberry”, phone texters) 60 participants (20 experienced users each on iPhone, “Blackberry”, phone texters) Entered 6 messages on own phone Entered 6 messages on own phone Non iPhone users also tested iPhone Non iPhone users also tested iPhone Rated preferences Rated preferences

4 iPhone touch keyboard study results iPhone had more errors (5.6 / msg.) than hard mini-QWERTY (2.1 / msg.) or phone keypad (1.4 / msg.) iPhone had more errors (5.6 / msg.) than hard mini-QWERTY (2.1 / msg.) or phone keypad (1.4 / msg.) Rate of entry on iPhone and mini-QWERTY same Rate of entry on iPhone and mini-QWERTY same Practice improves speed but not error rate Practice improves speed but not error rate Hard QWERTY keyboard preferred Hard QWERTY keyboard preferred

5 About the Google footer The story behind why Google has a footer on their page… The story behind why Google has a footer on their page…

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7 Perception tricks How much difference does < 0.5 second make? How much difference does < 0.5 second make?

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12 Anthropometrics and Ergonomics Anthropometrics -- the measurement of the size and proportions of the human body. Anthropometrics -- the measurement of the size and proportions of the human body. Ergonomics -- The applied science of equipment design, as for the workplace, intended to maximize productivity by reducing operator fatigue and discomfort. Ergonomics -- The applied science of equipment design, as for the workplace, intended to maximize productivity by reducing operator fatigue and discomfort.

13 Anthropometric data bout/major/nhanes/Anthropometric%2 0Measures.htm bout/major/nhanes/Anthropometric%2 0Measures.htm

14 Dress code anthropometrics

15 Dress code anthropometrics (2)

16 Ergonomic data

17 Steering wheel ergonomics Tilt steering wheel invented by GM in 1963 Tilt steering wheel invented by GM in 1963 Spreading popularity in late ’60s Spreading popularity in late ’60s Except Mercedes-Benz Except Mercedes-Benz

18 Anatomical data Tech Museum, San Jose Through January 26,

19 About intellectual property Intellectual property = the ideas behind your project Intellectual property = the ideas behind your project As far as I know… As far as I know…

20 Finishing the design cycle We still have a couple more steps to complete the design cycle! We still have a couple more steps to complete the design cycle! Goal for the class was to get you through the design cycle Goal for the class was to get you through the design cycle Evaluation Evaluation NEEDS DESIGN IMPLEMENTEVALUATE

21 User study plan I’ve ed feedback I’ve ed feedback Feel free to ask me more at office hours today, 2:00-3:30, 6 th Floor alcove in Soda Feel free to ask me more at office hours today, 2:00-3:30, 6 th Floor alcove in Soda We need to talk about this more We need to talk about this more

22 More specific detail What is starting point? What is starting point? How will you instruct the participant to achieve the desired endpoint? How will you instruct the participant to achieve the desired endpoint? What is the list of questions you will ask? What is the list of questions you will ask? –Neutral wording –Anchor words for Likert scales

23 Meaningful tasks and measures Installing and making sense of application may be important Installing and making sense of application may be important –Install this application, explore, tell me what you think it does –Compare with complete list of features Completion time may not make sense for “thinking” or “creating” tasks Completion time may not make sense for “thinking” or “creating” tasks

24 Study logistics Realistically, no more than 5 tasks Realistically, no more than 5 tasks Preferably, no more than 12 survey questions Preferably, no more than 12 survey questions Preferably, no more than 10 open- ended interview questions Preferably, no more than 10 open- ended interview questions Keeping the study interesting, not tedious for the participants Keeping the study interesting, not tedious for the participants You only have 2 weeks You only have 2 weeks

25 Study logistics (2) Most studies will require facilitator and separate observer Most studies will require facilitator and separate observer Many consent forms were missing contact info (for questions later) Many consent forms were missing contact info (for questions later) –Sample form link on web site, Nov. 8 “Think aloud” requires at least one practice task “Think aloud” requires at least one practice task Volunteer to participate in other groups’ studies Volunteer to participate in other groups’ studies

26 Almost all were missing… Any plan for pilot testing!!!! Any plan for pilot testing!!!! –When will you do pilot testing? (at least a day for modifications before collecting real data) –How many pilot subjects? (at least one, but a couple would be better) –Will be looking for how you pilot tested, changes you made in final report Go Stanford!

27 More detail on user study Need to think specifically about user tasks Need to think specifically about user tasks –What is starting point? –Script of what you are asking them to do Write out questions for survey Write out questions for survey –If Likert scale, also write out anchors

28 Final report + project presentation Due week of Dec. 4 & 6 Due week of Dec. 4 & 6 Convince project manager to give this project the “green light” Convince project manager to give this project the “green light” Final report on user study Final report on user study Project presentation on project Project presentation on project Final individual assessments Final individual assessments Make sure teaching team has access to facebook application by 5:00 Nov. 30 Make sure teaching team has access to facebook application by 5:00 Nov. 30

29 Final report Report how you conducted the user study and summarize what you learned from it Report how you conducted the user study and summarize what you learned from it –Focus on what changes you would make based on the user study –Next steps in the development

30 Final report sections Brief review of need and introduction of project Brief review of need and introduction of project Evaluation Evaluation –Methodology –Activities studied (illustrate with application screenshots) –Pilot test and changes made from pilot –Summarized data –Analysis and Conclusions Changes based on user study Changes based on user study Future Work—what should be done next Future Work—what should be done next –Next steps for development Appendices (only if necessary!) Appendices (only if necessary!) –Informed consent form –Detailed user data if referred to in report

31 Project presentation Every member of team must present! Every member of team must present! Summarize project (video record?) Summarize project (video record?) 11-minutes (plus 2 minutes for questions and switchover) 11-minutes (plus 2 minutes for questions and switchover) –Include need (skit possibility) –Recorded demo (no more than 2 minutes) –Brief implementation description (architecture diagram) –Focus on user study, what you learned from it, design changes –Future work

32 Architecture diagram (Recent Shortcuts) C# application Java JavaScript LotusScript Visual Basic Mozilla Thunderbird DB Mail template modification My Recent Documents Directory listener Corporate directory User interface Lotus Notes Extension Plug-in Lotus Sametime

33 facebook architecture diagram What information you are collecting from whom What information you are collecting from whom What information presented in canvas, profile, other devices What information presented in canvas, profile, other devices Flow from collecting information to presenting information in facebook Flow from collecting information to presenting information in facebook

34 Iterating on the design process cycle Focusing on design changes Focusing on design changes Next steps Next steps NEEDS DESIGN IMPLEMENTEVALUATE

35 Presentation logistics Wozniak Lounge Wozniak Lounge Inviting outside guests to attend Inviting outside guests to attend Dress is business casual Dress is business casual Refreshments will be there at 10:20 Refreshments will be there at 10:20 Would like to start at 10:30 Would like to start at 10:30 We’ll publish a schedule (volunteers for first of the day?) We’ll publish a schedule (volunteers for first of the day?)

36 Final presentation scheduling If your group presents on Tuesday, Dec. 4, your final report is due on Thursday, Dec. 6 If your group presents on Tuesday, Dec. 4, your final report is due on Thursday, Dec. 6 If your group presents on Thursdays, Dec. 6, your final report is due on Tuesday, Dec. 4 If your group presents on Thursdays, Dec. 6, your final report is due on Tuesday, Dec. 4 Send with your preferences to cs160—first come, first served (volunteer for first session slot) Send with your preferences to cs160—first come, first served (volunteer for first session slot)