Konstantinos Chorianopoulos
Beyond UsabilityMethodology for User Interface Design
and Evaluation in Interactive TV
User Interface Methodology
• User behavior
• Principles
• Evaluation
TV is being adapted in many innovative ways
Sometimes, desktop computer users are as innovative as TV viewers
Interacting with TV is not a binary condition but a continuum of levels
Passive Interactive
Passive Interactivity
A Virtual Music TV Channel
The click-wheel remote control is more than just efficient and usable
People sometimes watch programs because they know they will be talked about
Tom Coates, http://www.plasticbag.org
An interactive TV user interface should be more than just usable
Social
Usability
Emotions
Evaluation methods and instruments should consider user affect
What is TV?
• Physical device
• Content distribution system
• Content formats
• Activity
Beyond broadcast: BitTorrent enables efficient access to TV through the Internet
Cross media: TV Content is moving outside the TV
TV content as a placeholder for user contributed content