Before revision: Penology (from " penal", Latin poena, "punishment" and the Greek suffix -logia, "study of") is a sub-component of criminology that deals with the philosophy and practice }} of various societies in their attempts to repress criminal activities, and satisfy public opinion via an appropriate treatment regime for persons convicted of criminal offences.
After revision: Penology (from " ogy URL |access-date=2 March 2013 |date=1 January 1998 |publisher=Atlantic PublishersDist |isbn=978-81-7156-754-6 |pages=2 ff</ref> }} of various societies in their attempts to repress criminal activities, and satisfy public opinion via an appropriate treatment regime for persons convicted of criminal offences.