Affect Measurement: A Roadmap Through Approaches, Technologies, and Data Analysis (original) (raw)

Affect is inextricably related to human cognitive processes and expresses a great deal about human necessities (Picard, 1997); affect signals what matters to us and what we care about. Furthermore, affect impacts our rational decision-making and action selection (Picard, 2010). Providing computers with the capability to recognize, understand, and respond to human affective states would narrow the communication gap between the highly emotional human and the emotionally detached computer, enhancing their interactions. Computer applications in learning, health care, and entertainment stand to benefit from such capabilities. Affect is a conceptual quantity with fuzzy boundaries and with substantial individual difference variations in expression and experience (Picard, 1997). This makes measuring affect a challenging task. This chapter does not intend to present a comprehensive survey of the methods used to measure affect but instead provides a roadmap through a selection of the principal approaches and technologies. Section "Affect, Emotions, and Measurement" introduces the concepts and background behind affect measurement. Section "Gathering Data: Approaches and Technologies"

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