1. Experiential interaction:
Design and evaluation
Antonella De Angeli
Department of Information Engineering and Computer Science - University of Trento

2. Objective Understand what dimensions make a system attractive
Attractiveness = free choice of use
How the multiple dimensions of experiences combine into summary judgments and decisions about use?
How experiences evolve over time
Use this knowledge to shape the design of new experiential interactions

3. Hedonic
Task
Pragmatic
Symbolic
Environment
Time
Motivations
Attitudes
Needs
Knowledge

4. Effects of design metaphors on attractiveness
Study III
Study 1
Study 1I

5. Framing Attribute Framing: Levin 1987, Levin and Gaeth 1988
A focus on positive vs. negative aspects of objectively equivalent information affects judgement

6. User characteristics Attitudes towards brand affect the perception of
Pragmatic qualities
Task-related
Functionality, usability
Hedonic qualities
Sensorial experience
Beauty, engagement
Symbolic qualities
Information quality
Meaning and association elicited by the system
Brand loyalty, attributions, identification

7. Religious commitment Results
Religion influences the values of many individuals
People who are strongly committed tend to evaluate the world through the lens of religious beliefs
Evaluation is biased by the degree of identity between a stimulus and religious beliefs: match is preferred

8. Key web-sites dimensions
Information-Quality
Usability
Aesthetics
Symbolism