Edles and Appelrouth Definition of Theory
Edles and Appelrouth (p. 3)- Theory is a system of generalized statements or propositions about phenomena. Scientific theories must:
1. explain and predict the phenomena in question, and
2. produce testable and thus falsifiable hypotheses
Edles, Laura and Scott Appelrouth. 2010. Sociological Theory in the Classical Era. California: Pine Forge Press.