not poking - people.cs.uct.ac.za
TRANSCRIPT
Stroking not PokingKent Hawkings | Jason Bissict | Andrew Pettey
OVERVIEW
IntroductionProblem StatementResearch Questions:
Investigation Approach
Evaluation methods
OVERVIEW
Implementation EnvironmentConclusionQuestions
What is aGesture
?
David Saffer:"any physical movement that a digital system can sense and respond to without the aid of a traditional pointing device such as a mouse or stylus. A wave, a head nod, a touch, a toe tap, and even a raised eyebrow can be a gesture."
GesturesSurface
GesturesMotion
DiscreteInteraction
"Poking"
Problem
Statement
Touchscreen devices are:
Ubiquitous
Touchscreen devices are:
UbiquitousLargely Mobile
Touchscreen devices are:
UbiquitousLargely Mobile
Not exploited
Research Questions
?
User Experience:
Gestures: Discrete
Surface
VS.
How?
Photo Editor
How?
DesignInteracti n
How?
Prototyping
Hi-Fi
Low-Fi
aluationE
Quantitative
Error RateSuccess RateTotal Completion Time
QualitativePost Experiment Interviews
User Experience:
Gestures: Motion
Surface
VS.
How?
How?
Music Player
How?Music
Player
Motion Gestures
Surface Gestures
Discrete
How?
DesignInteracti n
How?
Prototyping
Hi-Fi
Low-Fi
aluationE
User TestingPrototypes:
aluationE
QuantitativeFinal Product
Qualitative
aluationEQuantitative
aluationEQuantitative
Completion timeError Rate
Success Rate
aluationEQualitative
aluationEQualitative
Longitudinal Studies
Post-Experiment Interview
Gestural Interface
for Solving theApplication
OVERLOAD
What?
A Study on Icon Arrangement by Smartphone Users
(Bohmer, M and Kruger, A. , 2013)
has created discussion around user interaction
with applications and icon arrangement on smartphone
devices
THESE:
Are causing this:
Solution:
Research Question
Concepts
Human-Computer Interaction
vsAdaptive AdaptableInterfaces
Concept
ConceptCentered User Design
Continuous Evaluation
Iterative Process
Prototyping
Critical Aspects
LockScreen
Intuitive
Responsive
Customisable
aluationE
Quantitative
QuantitativeLab Experiments
Total Completion TimeError Rate
Qualitative
QualitativePost Experiment Interviews
Longitudinal StudyJournalsInterviews
Elementsrequired tocreate an intuitivegestural interface
Recognition
VS.Recall
Implementation
Android
Platform
Conclusion
?Questions
Time ine
Initial Research
Gesture Experiments
Interface Experiments
Final Experiment
25 DaysExperiment Research
User Gesture Experiment Low-Fidelity
PrototypeUser Testing
High-Fidelity Prototype
4 Months 1 Day
User Testing
Experimentation
Final Product
Application Development
Background and Theory
DesignTesting and
Implementation
Outline of report
5 Months 4 Days
Poster
Reflection Report
Final Report
Written Hand-ins
WorkRelated
Gestural InteractionAnalysis of similarities and differences in user defined gestures:
Gestural InteractionAnalysis of similarities and differences in user defined gestures:
Across different CulturesMauney, et al. (2010)
Gestural InteractionAnalysis of similarities and differences in user defined gestures:
Between technical and non-technical usersWobbrock, Morris and Wilson (2009)
Usability Inspection Methods
Nielsen, Jakob
Evaluating an Interface
Quantitative
Cognitive walkthrough
Heuristic evaluation
Formal usability inspections
Qualitative
Pluralistic walkthroughs
Heuristic evaluation
Interviews
KeySuccess
actors
Experiment ResultsHow sound are our results?
Accurate user testing
Analysis of findings
ImplementationMP3 Player x3
ImplementationMP3 Player x3
Image Editor x2
ImplementationMP3 Player x3
Image Editor x2Lock Screen x3
Risks
Usual SuspectsCode Loss
Scope Creep
Hardware issues
Dependencies
Failure to effectively implement gesture recognition
Failure to acquire enough participants for user experiments