Abstract: This paper introduced four ways to assess individual social cognition indirectly-GNAT,EAST,SC-IAT and ST-IAT-the new variants of IAT. All these ways can be used to assess the single attitude object. The present paper introduced the procedure, the reliability and the domain of application and limits of the four research methods of implicit social cognition through examples. It also discussed the differences during the various implicit measures and made an evaluation

Key words: Implicit Association Test, GNAT, EAST, ST-IAT, SC-IAT