Beyond Usability: Methodology for User Interface Design and Evaluation in Interactive TV

Konstantinos Chorianopoulos

Beyond UsabilityMethodology for User Interface Design

and Evaluation in Interactive TV

User Interface Methodology

• User behavior

• Principles

• Evaluation

User interface quality

User experience

TV is being adapted in many innovative ways

Metaphors

Desktop

Sometimes, desktop computer users are as innovative as TV viewers

Web

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

Beyond TV

• What is TV?

• Distribution

• Cross media

• Ambient TV

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

Further Research

• Beyond:

• usability

• broadcast

• TV