Active share
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Transcript of Active share
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Coaches Shalu | Joyca | Panos
Group André | Herjan | Li | Qing | Qonita
User System Interaction – TU/e
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Content
MotivationBackgroundRequirements Final DesignEvaluation Conclusion
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Sedentary Lifestyle
HealthObesity and overweightHeart disease, high blood pressure, diabetes ...
Aesthetics
Stay fit or your clothes won't fit !
Well-BeingExercises combat depression and anxiety
...Just makes you feel good !
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HowHealthy Lifestyle
Indicated levels of physical activity
Increase physical activity
MantainRemind and motivate
Opportunistic Leisure Sports
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Goal
"Persuasive Technology to support increase of physical activity"
Target people with sedentary lifestyle
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Brainstorming
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Possible solutionsComparison with over 24 related studies
Social NetworkSystem as an active AgentSelf awarenessPhysical activity recognitionChallenge Setting
distributed goal definition
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Gathering requirements
User centered design approachInitial interview (N=6)
Concept test: Prototype ActivityPal (N=8)
Focus group: video prototype (N=6)
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Initial interview result(n=6) , distinct nationalities
I want to be more active but...NO time, motivation and company
About sharingDo and share activities with FRIENDSCommunicate with other users through system
Challenges should...According to physical activity level AND schedule from coach (expert, trust) and then friends
Self monitoring
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Concept test(n=8)
Send challenges, activities and Messages;
7
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Concept test: result
All participants liked the concept!
Half of the participants felt more active
They don't accept unrealistic or impossible (heavy) challenges
Opportunistic challenges are preferred among sedentary peopleThey like the coach (feedback)
“It is strange, but the coach really felt like an expert. His compliments felt better than positive feedback from other users.”
They want more information (feedback and overviews)
56 accepted challenges
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Focus group
(n=6)
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Focus group: result
Resistance towards challenge setting (pressure)He who sends must complete! "Suffer with me..."only by friends or by the coach
• Users disliked the alerts and reminders functions• Provide self awareness (improvement)
Reliable activity recognitionSharing information is not issuesMobile solution (weekends)
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Design
Requirements
Allow means for self monitoringImplement a social networkCoach functionalityChallenge Setting
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Measurement
Facilitate activity trackingPhilips Activity monitor
Algorithm: Movements Calorie expenditure
X
Y
Z
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Self-Monitoring
263 kcal
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Social Network
Communicate and Share activities
Social dynamicsImplicit social pressureSurveillance
Groups: Users who know each other and have similar levels of physical activity
View
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Accessibility
Accessible in both the work and home environment. Both working hours and leisure time.Allow easy access, specifically during weekends!
Full time and real time access + update
Mobile Device
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Challenges!Distributed goal setting: Share Goals!Different status
StructuredDescriptionActivityTime
"He who sends shall accept"Recognize
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The coach
Infiltrated social agent!
Moderate and motivate
RemindersThe less the best
FeedbackReinforce positive behaviors
ChallengesFeasible; Focus on opportunistic activities.
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Quick Peek!
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User test
RecruitmentSedentary work (office) within Philips
Group 1 (n=6) Group 2 (n=6) Research Scientists Software Eng.
International Physical Activity Questionnaire
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User test
Group 1
1st version - Stripped OverviewSelf-monitoringShared activity
Group 2
2nd version - FullMessagesChallengesTag ActivitiesCoach
7
10
Baseline
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Conversion
Speedskater Philips
Connects
Views results
Raw Data
Load
s X
ML
Request XML
Behind the curtains
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Evaluation
Difference of calorie expenditure (>100) over1 error + 1 lost = 2
Questionnaire (7 point Likert scale)Interest/EnjoymentPerceived CompetencePerceived ChoiceUsefulness/Value Social Influence
InterviewQualitative data on our concept for both groups
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Evaluation
Mixed subject ANOVA X F(1,8)=2.48, p= .15
Group 1
Group 2
Baseline Testtime
900
850
800
750
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Evaluation
Pearson correlation r(3)=.84, p<.05 Calorie increase accepted/completed challenges
Completed
CalorieIncrease
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Questionnaire
Reliability analysis: 2 questions removedIndependent samples T-Test (1 2 )
Interest/Enjoyment (t=2.83, df=6.43, p=.028)
Group 1: 6.04 Group 2: 4.17
Value/Usefulness (t=4.02, df=8.31, p=.004)
Group 1: 5.61 Group 2: 4.22
No significant results for remaining categ.
Both scored low (<3) on Social Influence
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Interview
For both groups most participantsLiked the systemUnderstood all functionalitiesPraised the self-monitoring possibilityUsed the system frequently (2 to 3 times daily)Contested measurement accuracy
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Conclusions & Discussion
Group 1 Enjoyed and valued more the systemThink there was activity increaseSeamed more enthusiastic from start
Group 2Appreciated challenge setting Claimed to be Really, really busy...Dismissed communication featureHad difficulties with tagging
Different group characteristics (job, location)
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Comparison with previous concept test Final evaluation Previous Test
Accepted ChallengesSent Messages Coach presence
IPAQ questionnaire showed different levels of physical activity (5 , 6 , 1 )
Correlations (accepted challenges and calorie increase) suggest further investigation
Conclusions & Discussion
21 56
3 31
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Future work
EvaluationMore participants (Homogeneous group)Second user test (Invert settings)Long term effects
DesignFacilitate tagging (automatic?)Implement a mobile solution
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Thank you!
Questions?