Psychology, asked by FaslaMahru, 1 year ago

explain steven's power law

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Answered by Arey
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Answered by nishitadeka82
6

hey buddy.....

here is your answer....

STEVEN'S POWER LAW-------------->>

Stevens' power law is a proposed relationship between the magnitude of a physical stimulus and the intensity or strength that people feel.

Most people think that it describes a wider range of sensations than Weber-Fechner law. But critics argue that the validity of the law is not sure.

The theory is named after psychophysicist Stanley Smith Stevens (1906–1973). Although the idea of a power law had been suggested by 19th century researchers, Stevens is credited with reviving the law and publishing a body of psychophysical data to support it in 1956.

The general form of the law is

{\displaystyle \psi (I)=kI^{a},\,\!} {\displaystyle \psi (I)=kI^{a},\,\!}

where {\displaystyle I} I is the magnitude of the physical stimulus, {\displaystyle \psi } \psi is the psychophysical function capturing sensation (the subjective size of the stimulus), {\displaystyle a} a is an exponent that depends on the type of stimulation and {\displaystyle k} k is a proportionality constant that depends on the type of stimulation and the units used.....

#hope it helps you....

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