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affective-computing-basics

Measuring emotion from behavior and physiology — facial expression, voice, EDA, and self-report integration.

skills/affective-computing-basics/SKILL.md

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## Overview

affective-computing-basics covers the scientific measurement of emotion and affect: self-report
instruments, facial expression analysis, vocal prosody, and peripheral physiology (EDA, heart rate,
respiration). It focuses on validity — what each channel actually indexes — because emotion
measurement is where convenient proxies most often replace the construct.

The dimensional view (valence × arousal, plus dominance) organizes most measurement; discrete
emotion categories ("basic emotions") are useful labels but contested as natural kinds. Measure
dimensions; interpret categories cautiously.

## When to use

- Choosing emotion measures for an experiment: self-report vs behavior vs physiology.
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