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Thematic Apperception Test[the-mat´ik ap″er-sep´shun]
TAT; a projective test in which the subject tells a story based on each of a series of standard ambiguous pictures, so that his responses reflect a projection of some aspect of his personality and his current psychological preoccupations and conflicts.
Abbreviation for thematic apperception test.
1. A gene in the AIDS virus that stimulates the host cell to replicate genetic components of the virus.
2. The protein encoded by this gene that is a potent transactivator of viral replication.
TATInfectious disease Tetanus antitoxin, see there Lab medicine Turn-around time, see there Psychology Thematic Apperception Test A projection-type psychological test that evaluates a child's sense of reality and personality traits and gives insight into his fantasies. See Psychological testing.
Abbreviation for thematic apperception test; turnaround time.