Bernhard Schieber

Media Equation: Calibrate the Social Signals Built Into Every Interface

Communication · Executive Insight Brief · 123

A warm voice is not competence

People can know a system is not human and still apply familiar social and physical rules to it

Premise

Users do not have to believe that a computer has feelings or intentions to respond to it socially. They may be polite to a machine evaluating itself, favor a computer assigned to their team, accept flattery, or infer personality from a voice. The Media Equation captures this gap between explicit belief and observable response.

Byron Reeves and Clifford Nass synthesized a Stanford research program showing that recognizable cues can activate social and physical-world scripts in mediated interaction. The practical question is not whether users are fooled. It is which cues—language, voice, turn-taking, naming, responsiveness, role, motion, size, or distance—invite which human rule, and whether that response improves or distorts judgment.

Media Equation — A warm voice is not competence. Executive Insight Brief 182 by Bernhard Schieber.

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