Selectivity may refer to: Psychology and behaviour Choice, making a selection among options Discrimination, the ability to recognize differences Socioemotional selectivity theory, in social psychology Engineering Selectivity (radio), a measure of the performance of a radio receiver to respond only to the radio signal it is tuned Selectivity (circuit breakers), the coordination of overcurrent protection devices in an electrical installation Biology Binding selectivity, in pharmacology Functional selectivity, in pharmacology Natural selection, in biology Chemistry Reactivity–selectivity principle, in general chemistry Chemoselectivity, a term used in organic chemistry to describe reactivity of one functional group in the presence of other groups Stereoselectivity, a term used in organic chemistry to describe the distribution of isomers in reaction products Regioselectivity, a term used in organic chemistry to describe reaction mechanisms and predict reaction products Mathematics Sensitivity and specificity, in statistical theory See also Select (disambiguation) Selection (disambiguation)