Presenting Your Work Presenting Your Work (plus odds & ends)(plus odds & ends)

November 20, 2007November 20, 2007

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Pet names in the newsPet names in the news

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iPhone touch keyboard iPhone touch keyboard studystudy 60 participants (20 experienced 60 participants (20 experienced

users each on iPhone, users each on iPhone, “Blackberry”, phone texters)“Blackberry”, phone texters)

Entered 6 messages on own Entered 6 messages on own phone phone

Non iPhone users also tested Non iPhone users also tested iPhoneiPhone

Rated preferencesRated preferences

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iPhone touch keyboard iPhone touch keyboard study resultsstudy results iPhone had more errors (5.6 / msg.) iPhone had more errors (5.6 / msg.)

than hard mini-QWERTY (2.1 / msg.) or than hard mini-QWERTY (2.1 / msg.) or phone keypad (1.4 / msg.)phone keypad (1.4 / msg.)

Rate of entry on iPhone and mini-Rate of entry on iPhone and mini-QWERTY sameQWERTY same

Practice improves speed but not error Practice improves speed but not error rate rate

Hard QWERTY keyboard preferredHard QWERTY keyboard preferredhttp://www.usercentric.com/news.asp?ID=391

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About the Google About the Google footerfooter The story behind why Google has The story behind why Google has

a footer on their page…a footer on their page…

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Perception tricksPerception tricks

How much difference does < 0.5 How much difference does < 0.5 second make?second make?

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99

1010

1111

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Anthropometrics and Anthropometrics and ErgonomicsErgonomics Anthropometrics -- the Anthropometrics -- the

measurement of the size and measurement of the size and proportions of the human body. proportions of the human body.

Ergonomics -- The applied science Ergonomics -- The applied science of equipment design, as for the of equipment design, as for the workplace, intended to maximize workplace, intended to maximize productivity by reducing operator productivity by reducing operator fatigue and discomfort. fatigue and discomfort.

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Anthropometric dataAnthropometric data

http://0-http://0-www.cdc.gov.mill1.sjlibrary.org/www.cdc.gov.mill1.sjlibrary.org/nchs/about/major/nhanes/nchs/about/major/nhanes/Anthropometric%20Measures.htmAnthropometric%20Measures.htm

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Dress code Dress code anthropometricsanthropometrics

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Dress code Dress code anthropometrics (2)anthropometrics (2)

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Ergonomic dataErgonomic data

http://www.humanics-es.com/recc-ergonomics.htmhttp://www.cdc.gov/niosh/docs/94-110/

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Steering wheel Steering wheel ergonomicsergonomics Tilt steering wheel invented by Tilt steering wheel invented by

GM in 1963GM in 1963 Spreading popularity in late ’60sSpreading popularity in late ’60s Except Mercedes-BenzExcept Mercedes-Benz

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Anatomical dataAnatomical data

Tech Museum, San Jose Through January 26, 2008http://www.thetech.org/

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About intellectual About intellectual propertyproperty Intellectual property = the ideas Intellectual property = the ideas

behind your projectbehind your project As far as I know…As far as I know…

2020

Finishing the design Finishing the design cyclecycle We still have a couple more steps We still have a couple more steps

to complete the design cycle!to complete the design cycle! Goal for the class was to get you Goal for the class was to get you

through the design cyclethrough the design cycle EvaluationEvaluation

NEEDS

DESIGN

IMPLEMENTEVALUATE

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User study planUser study plan

I’ve emailed feedbackI’ve emailed feedback Feel free to ask me more at office Feel free to ask me more at office

hours today, 2:00-3:30, 6hours today, 2:00-3:30, 6thth Floor Floor alcove in Sodaalcove in Soda

We need to talk about this moreWe need to talk about this more

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More specific detailMore specific detail

What is starting point?What is starting point? How will you instruct the How will you instruct the

participant to achieve the desired participant to achieve the desired endpoint?endpoint?

What is the list of questions you What is the list of questions you will ask?will ask?– Neutral wordingNeutral wording– Anchor words for Likert scalesAnchor words for Likert scales

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Meaningful tasks and Meaningful tasks and measuresmeasures Installing and making sense of Installing and making sense of

application may be importantapplication may be important– Install this application, explore, tell me Install this application, explore, tell me

what you think it doeswhat you think it does– Compare with complete list of featuresCompare with complete list of features

Completion time may not make Completion time may not make sense for “thinking” or “creating” sense for “thinking” or “creating” taskstasks

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Study logisticsStudy logistics

Realistically, no more than 5 tasksRealistically, no more than 5 tasks Preferably, no more than 12 Preferably, no more than 12

survey questionssurvey questions Preferably, no more than 10 open-Preferably, no more than 10 open-

ended interview questionsended interview questions Keeping the study interesting, not Keeping the study interesting, not

tedious for the participantstedious for the participants You only have 2 weeksYou only have 2 weeks

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Study logistics (2)Study logistics (2)

Most studies will require Most studies will require facilitator and separate observerfacilitator and separate observer

Many consent forms were missing Many consent forms were missing contact info (for questions later)contact info (for questions later)– Sample form link on web site, Nov. 8Sample form link on web site, Nov. 8

““Think aloud” requires at least Think aloud” requires at least one practice taskone practice task

Volunteer to participate in other Volunteer to participate in other groups’ studiesgroups’ studies

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Almost all were Almost all were missing…missing… Any plan for pilot testing!!!!Any plan for pilot testing!!!!

– When will you do pilot testing? (at When will you do pilot testing? (at least a day for modifications before least a day for modifications before collecting real data)collecting real data)

– How many pilot subjects? (at least How many pilot subjects? (at least one, but a couple would be better)one, but a couple would be better)

– Will be looking for how you pilot Will be looking for how you pilot tested, changes you made in final tested, changes you made in final reportreport

Go Stanford!

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More detail on user More detail on user studystudy Need to think specifically about Need to think specifically about

user tasksuser tasks– What is starting point?What is starting point?– Script of what you are asking them to Script of what you are asking them to

dodo Write out questions for surveyWrite out questions for survey

– If Likert scale, also write out anchorsIf Likert scale, also write out anchors

http://http://apps.facebook.com/dodge_ballapps.facebook.com/dodge_ball //

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Final report + project Final report + project presentationpresentation Due week of Dec. 4 & 6Due week of Dec. 4 & 6 Convince project manager to give Convince project manager to give

this project the “green light”this project the “green light” Final report on user studyFinal report on user study Project presentation on projectProject presentation on project Final individual assessmentsFinal individual assessments Make sure teaching team has access Make sure teaching team has access

to facebook application by 5:00 Nov. to facebook application by 5:00 Nov. 3030

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Final reportFinal report

Report how you conducted the Report how you conducted the user study and summarize what user study and summarize what you learned from ityou learned from it– Focus on what changes you would Focus on what changes you would

make based on the user studymake based on the user study– Next steps in the developmentNext steps in the development

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Final report sectionsFinal report sections

Brief review of need and introduction of projectBrief review of need and introduction of project EvaluationEvaluation

– MethodologyMethodology– Activities studied (illustrate with application Activities studied (illustrate with application

screenshots)screenshots)– Pilot test and changes made from pilotPilot test and changes made from pilot– Summarized dataSummarized data– Analysis and ConclusionsAnalysis and Conclusions

Changes based on user studyChanges based on user study Future Work—what should be done nextFuture Work—what should be done next

– Next steps for developmentNext steps for development Appendices (only if necessary!)Appendices (only if necessary!)

– Informed consent formInformed consent form– Detailed user data if referred to in reportDetailed user data if referred to in report

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Project presentationProject presentation

Every member of team must Every member of team must present!present!

Summarize project (video record?)Summarize project (video record?) 11-minutes (plus 2 minutes for 11-minutes (plus 2 minutes for

questions and switchover)questions and switchover)– Include need (skit possibility)Include need (skit possibility)– Recorded demo (no more than 2 minutes)Recorded demo (no more than 2 minutes)– Brief implementation description Brief implementation description

(architecture diagram)(architecture diagram)– Focus on user study, what you learned from Focus on user study, what you learned from

it, design changesit, design changes– Future workFuture work

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Architecture diagram Architecture diagram (Recent Shortcuts)(Recent Shortcuts)

C# applicationJavaJavaScriptLotusScriptVisual Basic

Mozilla ThunderbirdDB

Mail templatemodification

My Recent Documents

Directory listener

Corporate directory

User interface

Lotus Notes

Extension

Plug-in

Lotus Sametime

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facebook architecture facebook architecture diagramdiagram What information you are What information you are

collecting from whomcollecting from whom What information presented in What information presented in

canvas, profile, other devicescanvas, profile, other devices Flow from collecting information Flow from collecting information

to presenting information in to presenting information in facebookfacebook

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Iterating on the design Iterating on the design process cycleprocess cycle Focusing on design changesFocusing on design changes Next stepsNext steps

NEEDS

DESIGN

IMPLEMENTEVALUATE

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Presentation logisticsPresentation logistics

Wozniak LoungeWozniak Lounge Inviting outside guests to attendInviting outside guests to attend Dress is business casualDress is business casual Refreshments will be there at 10:20Refreshments will be there at 10:20 Would like to start at 10:30Would like to start at 10:30 We’ll publish a schedule We’ll publish a schedule

(volunteers for first of the day?)(volunteers for first of the day?)

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Final presentation Final presentation schedulingscheduling If your group presents on If your group presents on

Tuesday, Dec. 4, your final report Tuesday, Dec. 4, your final report is due on Thursday, Dec. 6is due on Thursday, Dec. 6

If your group presents on If your group presents on Thursdays, Dec. 6, your final Thursdays, Dec. 6, your final report is due on Tuesday, Dec. 4report is due on Tuesday, Dec. 4

Send email with your preferences Send email with your preferences to cs160—first come, first served to cs160—first come, first served (volunteer for first session slot)(volunteer for first session slot)