Unable to speak or communicate orally in certain social settings.

The bias introduced by the selection of individuals, groups, or data for analysis in such a way that proper randomization is not achieved, thereby ensuring that the sample obtained is not representative of the population intended to be analyzed.

The act of not selecting someone (or something).

plural of selection bias

(biology) An evolutionary strategy that favors an individual organism's close kin over itself.

Alternative spelling of nonselective

The collection of recyclable waste separately from that which is not recyclable.

plural of selective collection

(evolutionary theory) A process by which heritable traits conferring survival and reproductive advantage to individuals, or related individuals, tend to be passed on to succeeding generations and become more frequent in a population, whereas other less favourable traits tend to become eliminated; the differential survival and reproduction of phenotypes.

(physics) Any of several general rules concerning the transitions between the states of a quantum mechanical system; they derive from the symmetry properties of the states and of their interactions