Unit-i development of psychology: contribution of weber, fechner, helmholtz, galton, william james and cattell unit-ii
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German philosopher, physicist and experimental psychologist. An early pioneer in experimental psychology and founder of psychophysics, he inspired many 20th-century scientists and philosophers. He is also credited with demonstrating the non-linear relationship between psychological sensation and the physical intensity of a stimulus via the formula:
S
=
K
ln
I
{\displaystyle S=K\ln I}, which became known as the Weber–Fechner law
S
=
K
ln
I
{\displaystyle S=K\ln I}, which became known as the Weber–Fechner law
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