Copyright by Jeff Johnson

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

O'Reilly logo

Chapter 12. We Have Time Requirements

Events in the world take time to play out. Perceiving objects and events also takes time. So does remembering perceived events, thinking about past and future events, learning from events, acting on plans, and reacting to perceived and remembered events. How much time? And how does knowing the duration of perceptual and cognitive processes help us design interactive systems?

This chapter provides answers to those questions. It presents the durations of perceptual and cognitive processes, and based on those, provides some real-time deadlines that interactive systems must meet in order to synchronize well with human users. Systems that don’t synchronize well with users’ time requirements are less effective tools ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required