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Part of the book series: Applied Clinical Psychology ((NSSB))

Abstract

Psychophysics is the branch of psychology concerned with the relation between the physical properties of events and the sensations they give rise to. The subject has two major fields of inquiry: global psychophysics, which studies readily discriminable stimuli that differ by large amounts, and local psychophysics, which studies the fine differences between barely discriminable stimuli (Luce & Krumhansl, 1988). Global psychophysics is concerned with psychological scaling, whereas local psychophysics is concerned with detection and discrimination. Because this chapter is concerned with signal detection theory, it outlines some of the basic methods of local psychophysics and will exclude from consideration the methods of global psychophysics. It will discuss how to study and measure the limits of human sensory systems.

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Irwin, R.J., McCarthy, D. (1998). Psychophysics. In: Lattal, K.A., Perone, M. (eds) Handbook of Research Methods in Human Operant Behavior. Applied Clinical Psychology. Springer, Boston, MA. https://doi.org/10.1007/978-1-4899-1947-2_10

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  • DOI: https://doi.org/10.1007/978-1-4899-1947-2_10

  • Publisher Name: Springer, Boston, MA

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