Stevens' Power Law (Noun)
Meaning
(psychophysics) the concept that the magnitude of a subjective sensation increases proportional to a power of the stimulus intensity.
Classification
Nouns denoting cognitive processes and contents.
Examples
- Stevens' power law is a fundamental concept in psychophysics that describes the relationship between the physical magnitude of a stimulus and the perceived intensity of the resulting sensation.
- The researcher used Stevens' power law to model the subjective experience of loudness in response to varying sound pressure levels.
- According to Stevens' power law, the perceived brightness of a light is proportional to the cube root of its actual intensity.
- Stevens' power law has been applied to a wide range of sensory modalities, including vision, hearing, and touch.
- The exponent in Stevens' power law varies depending on the specific sensory modality and the type of stimulus being presented.