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Two-factor theory has strong empirical evidence of validity
1Department of Psychology, University of California, San Diego, La Jolla 92093-0109, USA. bawilliams@ucsd.edu
Journal of the Experimental Analysis of Behavior
|July 17, 2001
Abstract:
Traditional two-factor theory is supported by parallels in the clinical literature. Theoretical problems with two-factor theory are obviated by the role of safety signals, which serve as positive conditioned reinforcers and retard the extinction of conditioned fear.