Personality is a pattern of stable states and characteristics of a person that influences his or her behaviour toward goal achievement. There are four theories of personality: psychoanalytic theory, type theories, trait theories, self theory.
The word personality is derived from a Greek word “persona” which means “to speak through.” Personality is the combination of characteristics or qualities that forms a person’s unique identity. It signifies the role which a person plays in public. Every individual has a unique, personal and major determinant of his behavior that defines his/her personality.
A field of study that investigates the impact of individuals, groups and structures on behaviour within organisations for the purpose of applying such knowledge towards improving an Organisation's effectiveness.
Organization Development is an effort planned, organization-wide, and managed from the top, to increase organization effectiveness and health through planned interventions in the organization's 'processes,' using behavioral-science knowledge.