Thoughts on Interaction Design, 2nd Edition

Chapter Six. Judgment and Shifting Negative Behavior

Usability and Influence

A norm is an accepted behavioral pattern that's learned and that helps dictate what is appropriate and normal behavior within a specific culture or group. Often norms take the form of unwritten and unspoken rules—the guidelines that help us understand how to behave. A group may decide (used loosely, as these decisions often occur over time and without conscious discussion or debate) that it's acceptable to speak loudly on a mobile phone in a closed space, like a train or bus. This then becomes the cultural norm, and those who don't participate in or appreciate the ...