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Author (down) Title Year Publication Serial Volume Pages
Friedrich, A.M.; Zentall, T.R. Pigeons shift their preference toward locations of food that take more effort to obtain 2004 Behavioural processes 227 67 405-415
Friedrich, A.M.; Clement, T.S.; Zentall, T.R. Functional equivalence in pigeons involving a four-member class 2004 Behavioural processes 228 67 395-403
Dorrance, B.R.; Zentall, T.R. Imitation of conditional discriminations in pigeons (Columba livia) 2002 Journal of comparative psychology (Washington, D.C. : 1983) 240 116 277-285
Dorrance, B.R.; Zentall, T.R. Imitative learning in Japanese quail (Coturnix japonica) depends on the motivational state of the observer quail at the time of observation 2001 Journal of comparative psychology (Washington, D.C. : 1983) 245 115 62-67
DiGian, K.A.; Friedrich, A.M.; Zentall, T.R. Discriminative stimuli that follow a delay have added value for pigeons 2004 Psychonomic bulletin & review 226 11 889-895
Clement, T.S.; Zentall, T.R. Choice based on exclusion in pigeons 2003 Psychonomic bulletin & review 233 10 959-964
Clement, T.S.; Zentall, T.R. Second-order contrast based on the expectation of effort and reinforcement 2002 Journal of experimental psychology. Animal behavior processes 241 28 64-74
Clement, T.S.; Zentall, T.R. Development of a single-code/default coding strategy in pigeons 2000 Psychological science : a journal of the American Psychological Society / APS 246 11 261-264
Clement, T.S.; Weaver, J.E.; Sherburne, L.M.; Zentall, T.R. Simultaneous discrimination learning in pigeons: value of S- affects the relative value of its associated S+ 1998 The Quarterly journal of experimental psychology. B, Comparative and physiological psychology 252 51 363-378
Clement, T.S.; Feltus, J.R.; Kaiser, D.H.; Zentall, T.R. “Work ethic” in pigeons: reward value is directly related to the effort or time required to obtain the reward 2000 Psychonomic bulletin & review 248 7 100-106