1. Formation of generalized equivalence classes;Adams;The Psychological Record,1993
2. Superordinate categorization via learned stimulus equivalence: Quantity of reinforcement, hedonic value and nature of the mediator;Astley;Journal of Experimental Psychology: Animal Behavior Processes,2001
3. Establishing relational responding in accordance with opposite as a generalized operant behaviour in young children;Barnes-Holmes;International Journal of Psychology and Psychological Therapy,2004
4. Testing and training relational responding in accordance with the relational frame of opposite in young children;Barnes-Holmes;International Journal of Psychology and Psychological Therapy,2004
5. Arbitrarily applicable comparative relations: Experimental evidence for relational operants;Berens;Journal of Applied Behavior Analysis,2007