Utrecht stw rj 28 nov 2014
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Transcript of Utrecht stw rj 28 nov 2014
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SleepCare: Persuasive Technology for Personalized Sleep Coaching
R.J. Beun
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Goal
Development of computerized strategies to improve exercise adherence
In particular: personalized coaching system using mobile persuasive technology in the domain of sleep therapy.
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Persuasive strategies
Two main strategies for desired behavior
– system facilitates spending less attention
– subject is willing to spend more attention
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Ability
Mo
tiva
tio
n
HighLow
High
Low
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WD
Benefits,Pleasure
WU
ThreatsPain
Fear,Barriers, …
Self-insight W0
Beliefs, Intentions, Motivation,
Attitudes, Emotions, Norms, …
TriggersHappiness,Flow,Ability, …
Choice
Desired and undesired possible worlds
W0: Current worldWD: Desired worldWU: Undesired world
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WD
Benefits,Pleasure
WU
ThreatsPain
Fear,Barriers, …
Self-insight W0
Beliefs, Intentions, Motivation,
Attitudes, Emotions, Norms, …
TriggersHappiness,Flow,Ability, …
Choice
Desired and undesired possible worlds
W0: Current worldWD: Desired worldWU: Undesired world
Ability
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WD
Benefits,Pleasure
WU
ThreatsPain
Fear,Barriers, …
Self-insight W0
Beliefs, Intentions, Motivation,
Attitudes, Emotions, Norms, …
TriggersHappiness,Flow,Ability, …
Choice
Desired and undesired possible worlds
W0: Current worldWD: Desired worldWU: Undesired world
Motivation
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Abilitysimplify or impede behavior
Desired behavior Undesired behavior
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Motivationbenefits or threats
Show goals and pitfalls, explain reason, manage expectations, …
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Motivationavoid boredom, annoyance and stress
Include beauty, competition, positive user experience, flow, …
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Motivationinclude social influence
Elements:trust, commitment, alignment, reciprocity, transparency, competition, collaboration, …
Speech acts:forbid, encourage, promise, negotiate, advise, judge, appraise, challenge, thank, compliment, welcome, …
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Sleep therapy
Sleep education
RelaxationStimulus control
Sleep hygiene
Cognitive restructuring
Bedtimerestriction
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Sleep therapy
Sleep education
RelaxationStimulus control
Sleep hygiene
Cognitive restructuring
Bedtimerestriction
Bedtime restriction– use bed for sleeping only
– do not sleep outside the bed
Goal state: sleep efficiency ≥ 85%
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Opening phase
Intro coach/user
Intro therapy
Inclusion / exclusion
Plan & commit
Intervention phase
Technique 1
Technique 2
Technique 3
Technique 4
Closure phase
Evaluation
Referral?
Departure
SleepCareTherapy model
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AlignmentPlan &
CommitTask
executionEvaluation Closure
Exercise
SleepCareExercise model
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SleepCareInterface metaphor
ToolsDialogue status bar
Blablablab bla bla bla blablabba bla bla bla
Blablablab bla bla bla blablabba
Blablablab bla bla bla blablabba
navigation bar
navigation drawer
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Example Dialogue:Shared Decision Making
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Deze week beginnen we met de oefening bedtijdbeperking.Bij bedtijdbeperking houd je regelmatige bedtijden aan en verkort je de tijd dat je in bed ligt. Omdat je dan minder tijd hebt om te slapen, word je vermoeider en dat helpt je met beter slapen.
Wil je meer weten voordat we beginnen?
Ik wil beginnenWat moet ik precies doen?
Wat kan ik verwachten?
What?
Why?
How?
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Geef aan hoe lang je in bed zou willen liggen.
6:005:30 6:30
Dan stellen we nu samen je nieuwe bedtijden vast.Op basis van je slaapdagboek stel ik voor dat de totale tijd in bed 5 uur wordt.Ga je hiermee akkoord?
JaIk lig liever iets langer in bedIk wil geen bedtijdbeperking
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JaIk lig liever iets langer in bed
Je hebt voorgesteld dat je de komende week niet langer dan 6:30 uur in bed gaat liggen. De oefening werkt beter als je ongeveer net zo lang in bed gaat liggen als je vorige week sliep.
Daarom stel ik voor dat de totale tijd in bed 5:30 wordt. Ga je hiermee akkoord?
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Volgende
Je hebt voorgesteld dat je de komende week niet langer dan 6:15 uur in bed gaat liggen. Daar ga ik mee akkoord.
5:45 6:00 6:15 6:30
Geef aan hoe lang je in bed zou willen liggen.
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Other elements
Awareness of user properties
• measuring and interpretation
Supports desired behavior
• exercises
Shared commitments
• appointments
General domain knowledge
• sleep information
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Shared Commitments: Agenda
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• >250 spoken sentences for progressive muscle relaxation
• professional voice
• coach suggests default length, depending on previous results
• coachee may choose length– 1, 2, 4, 8, 16 minutes
• no negotiation
Exercise: Tailored Relaxation
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Inside the machine
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Coaching knowledge two types
• Background
– timeless information about coaching process
– e.g. disorders, utterances, constraints, tools
• Coaching process
– repository of historical and planning information
– e.g. state of coachee, performance, commitments
Information Base
Coach beliefs
Background Coaching process
Coachee beliefs
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Sleep Restrictionscenario’s and negotiation space
Average SleepTime (hours)
8.5 8 6 4 2
Average TIB (hours)
10 9 Excl [6;8] [5;8] [5;8]
8 X Excl [6;7] [5;7] [5;7]
6 X X Excl [5;5.5] [5;5.5]
4 X X X Ref_therap Ref_therap
3 X X X X Ref_therap
2 X X X X Ref_therap
1 X X X X X
X = impossible[r ; s] negotiation, min = r, max = s
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Schedule entry types and status
Types of tasks Ontological type
‘Tijd uit bed’ (wake-up time WT) Event
‘Slaapdagboek invullen’ (SD) Entry
‘Consult’ (CO) Entry
‘Ontspanningsoefening’ (RE) Entry
‘Tijd in bed’ (bedtime BT) Event
Status Past Today Future
Not-completed Missed Actual/near miss Planned
Completed Completed Completed Ahead of schedule
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Ontology and architecture
• Knowledge representation classes (ontology)
– sleep related
• e.g. Disorders, Techniques, SleepEfficiency, Tools, …
– coach related
• e.g. Contract, Situation, Schedule, Background, Clock, …
• Sleepcare architecture
– components
– responsibilities
– interaction
I/O Mana
ger
Update
Prioritizer
Supervisor
Information Base
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– tools for agenda, sleep diary and relaxation
– negotiation: user and system decide together
– rescheduling of agenda entries
– tells at the right moment what should be done (reminders)
– clear language (checked by communication language expert)
– intuitive interface
– offers default values
– frequent alignment and adaptation
– negotiation: user and system decide together
– commitments: explicit agreement on bedtimes
– shows goals, rationale and results
– expectation management
– gives compliments
– shows danger and pitfalls
– attractive design (designed by professional designer)
– show non-adherence (impede unwanted behavior)
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Futureshow/proof genericity of design
• Experiments (RCT)
• Apply to other user groups and domains– truck drivers, people suffering from depression and psychosis
– nudging with Philips Hue, sophisticated Eliza, mindfulness, ‘getting things done’
• Extension– sleep tracking (fun and improves ability)
– include existing and useful functionality (e.g. alarm clock)
– behavioral activation (fill the extra time)
– motivation (measurement and adaptation)
– social media
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