Trait and type approach to understand personality; Psychodynamic theories, Id, ego, superego; Role of defense mechanisms, self-regulation and stress; Measurement and assessment methodologies issues; Projective and objective measures of personality like rorschach InkBlot test, picture tests; Personality tests-16 PF, minnesota multiphasic personality inventory and big five traits; Applications of psychological testing and role of assessment centers in the human resource management.