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Journal of the Experimental Analysis of Behavior|January 1, 1980
Toward a quantitative theory of punishmentP A de VilliersJournal of the Experimental Analysis of Behavior|March 1, 1974
The law of effect and avoidance: a quantitative relationship between response rate and shock-frequency reductionP A De VilliersJournal of the Experimental Analysis of Behavior|November 1, 1972
Reinforcement and response rate interaction in multiple random-interval avoidance schedulesP A De VilliersJournal of the Experimental Analysis of Behavior|January 1, 1978
Matching in concurrent variable-interval avoidance schedulesA W Logue, P A De VilliersJournal of the Experimental Analysis of Behavior|September 1, 1972
Concurrent performances: a baseline for the study of conditioned anxietyP A De Villiers, J R MillensonJournal of Psycholinguistic Research|November 8, 2013
Development of the use of word order in comprehensionJ G de Villiers, P A de VilliersJournal of Psycholinguistic Research|November 8, 2013
Early judgments of semantic and syntactic acceptability by childrenP A de Villiers, J G de VilliersJournal of Psycholinguistic Research|November 8, 2013
A cross-sectional study of the acquisition of grammatical morphemes in child speechJ G de Villiers, P A de VilliersPageof 1