Usability in HCI is often defined by effectiveness, efficiency, and satisfaction, rooted in the Taylorist tradition of optimizing worker productivity.

Older applications focus on user experience beyond mere functionality, emphasizing enjoyment and engagement in various contexts such as home and leisure.

Users today seek systems that they can use, not just those that they want to use, highlighting the importance of user satisfaction in productivity.

Economic benefits arise when employees enjoy their tasks, leading to improved performance and creativity.

How has the user’s role in HCI evolved?

What makes shopping an experience beyond transactions?

What is described by Csikszentmihalyi’s concept of "flow"?

The "zone of proximal development" emphasizes:

Ergonomics in interface design focuses on:

Device size affects interface design because: