nonlinear

adj. describing any relationship between two variables (x and y) that cannot be expressed in the form y = a + bx, where a and b are numerical constants. The relationship therefore does not appear as a straight line when depicted graphically. Compare linear.

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Psychology term of the day

December 23rd 2024

delta rule

the principle that the change in strength of an association during learning is a function of the difference between the maximal strength possible and the current strength of the association. The delta rule is used in associationistic learning theory (see associative learning).