socialization is, as given by sociologists, a term used to describe the dual process of becoming a member of society and developing a self concept.

becoming a member of society means acquiring values, norms, mores and customs of society where we live.

Now coming on the question, Methods of Socialization.

Primarily agents through which we socialized ourself are;
Family, Peers, school, Mass media.

remember, socialization is intentional as well as an unconscious process.

this is how I percieved your question.

__________________
Self-confidence is the first requisite to great undertakings.