- deduction, deductiveThe use of logical rules to arrive at a set of premisses from which certain conclusions must follow. Deduction begins with theory , moves to hypotheses derived from the theory, and then tests hypotheses via prediction and observations. This approach to testing and theory is often referred to as the hypothetico-deductive method, and since it emphasizes hypotheses, prediction, and testing, is sometimes held to be the method par excellence of science. See also induction.
Dictionary of sociology. 2013.