What is BASE RATE?

Written by Pam MS, NCSP | Fact checked by Psychology Dictionary staff 

in statistics, the probability by which change influences a phenomenon to a certain degree. The changed condition (or variable) determines the degree to which a phenomenon will be influenced, and thus, changed.

BASE RATE: "In the fields of science and medicine, statistical data are compared by their base rate initially and without considering all other conditions yet."

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