Thematic Apperception Test (TAT) is a projective personality test created in Harvard in 1930 by Christiana D. Morgan and Henry A. Murray. Along with MMPI and RORSCHACH, TAT remains one of the most widespread psychological tests.

TAT provides valuable information about the structure of the psychic tools and the unconscious personality potentials, such as internal conflicts, needs, rushes, emotions, constitution and defenses. It is used in clinical research to investigate psychic material, such as dreams and fantasies, motives, factors that influence people in career selection etc. In clinical action it can be used for psychological examination in order to investigate various ways of the individuals psychic function. It is an important tool for psychological assessment and psychopathology diagnosis.