Career
He is known for an analysis of human language and cognition through the development of Relational Frame Theory with Steven C. Hayes, and its application in various psychological settings. He was the world"s most prolific author in the experimental analysis of human behaviour between the years 1980 and 1999. He originally conceptualized and programmed the Implicit Relational Assessment Procedure () and is currently involved in developing it as part of the Implicit Cognition and Behaviour (ICaB) Research Group in National University of Ireland Maynooth.
The Implicit Relational Assessment Procedure () is an implicit measure similar to the Implicit Association Test (IAT), with the key difference being that it measures specific relations between stimuli rather than general associations.
lieutenant has its theoretical basis in Relational Frame Theory. T. T. P. J.