William A. Roberts - Publications

Affiliations: 
Psychology University of Western Ontario, London, Ontario, Canada 

113 high-probability publications. We are testing a new system for linking publications to authors. You can help! If you notice any inaccuracies, please sign in and mark papers as correct or incorrect matches. If you identify any major omissions or other inaccuracies in the publication list, please let us know.

Year Citation  Score
2019 MacDonald H, Lo GK, Macpherson K, Roberts WA. An isolation effect in rat spatial memory. Journal of Experimental Psychology. Animal Learning and Cognition. PMID 31804105 DOI: 10.1037/Xan0000231  0.341
2019 Jackson SM, Lo GK, MacPherson K, Kathrene Martin G, Roberts WA. Information preferences across species: Pigeons, rats, and dogs. Behavioural Processes. 104016. PMID 31785322 DOI: 10.1016/J.Beproc.2019.104016  0.375
2019 Lo GK, Macpherson K, MacDonald H, Roberts WA. A comparative study of memory for olfactory discriminations: Dogs (Canis familiaris), rats (Rattus norvegicus), and humans (Homo sapiens). Journal of Comparative Psychology (Washington, D.C. : 1983). PMID 31670536 DOI: 10.1037/Com0000205  0.366
2019 Roberts WA. The role of context in animal memory. Learning & Behavior. PMID 30945172 DOI: 10.3758/S13420-019-00380-X  0.351
2019 Lo KH, Roberts WA. Dogs (Canis familiaris) use odor cues to show episodic-like memory for what, where, and when. Journal of Comparative Psychology (Washington, D.C. : 1983). PMID 30896229 DOI: 10.1037/Com0000174  0.339
2018 Roberts WA, MacDonald H, Lo KH. Pigeons play the percentages: computation of probability in a bird. Animal Cognition. PMID 29797110 DOI: 10.1007/S10071-018-1192-0  0.348
2018 MacDonald H, Roberts WA. Cognitive flexibility and dual processing in pigeons: Temporal and contextual control of midsession reversal. Journal of Experimental Psychology. Animal Learning and Cognition. PMID 29469583 DOI: 10.1037/Xan0000161  0.372
2017 Macpherson K, Roberts WA. On the Clock: Interval Timing and Overshadowing in Domestic Dogs (Canis familiaris). Journal of Comparative Psychology (Washington, D.C. : 1983). PMID 28857606 DOI: 10.1037/Com0000083  0.379
2017 Roberts WA, MacDonald H, Brown L, Macpherson K. Release from proactive interference in rat spatial working memory. Learning & Behavior. PMID 28364365 DOI: 10.3758/S13420-017-0263-4  0.344
2017 McMillan N, Spetch ML, Sturdy CB, Roberts WA. It's All a Matter of Time: Interval Timing and Competition for Stimulus Control Comparative Cognition & Behavior Reviews. 12: 83-103. DOI: 10.3819/Ccbr.2017.120007  0.32
2016 Roberts WA. Episodic Memory: Rats Master Multiple Memories. Current Biology : Cb. 26: R920-R922. PMID 27780059 DOI: 10.1016/J.Cub.2016.08.042  0.327
2016 Roberts WA. Rats respond where it counts. Learning & Behavior. PMID 27193108 DOI: 10.3758/S13420-016-0229-Y  0.308
2016 Roberts WA, Guitar NA, Marsh HL, MacDonald H. Memory systems in the rat: effects of reward probability, context, and congruency between working and reference memory. Animal Cognition. 19: 593-604. PMID 26914457 DOI: 10.1007/S10071-016-0964-7  0.374
2016 Roberts WA, Macpherson K, Strang C. Context controls access to working and reference memory in the pigeon (Columba livia). Journal of the Experimental Analysis of Behavior. 105: 184-93. PMID 26781056 DOI: 10.1002/Jeab.188  0.341
2016 Roberts WA, Macpherson K. Of Dogs and Men Current Directions in Psychological Science. 25: 313-321. DOI: 10.1177/0963721416665007  0.323
2015 Roberts WA, Strang C, Macpherson K. Memory systems interaction in the pigeon: working and reference memory. Journal of Experimental Psychology. Animal Learning and Cognition. 41: 152-62. PMID 25734757 DOI: 10.1037/Xan0000053  0.314
2015 Guitar NA, Roberts WA. The interaction between working and reference spatial memories in rats on a radial maze. Behavioural Processes. 112: 100-7. PMID 25452076 DOI: 10.1016/J.Beproc.2014.10.007  0.343
2015 McMillan N, Roberts WA. A three-stimulus midsession reversal task in pigeons with visual and spatial discriminative stimuli. Animal Cognition. 18: 373-83. PMID 25227939 DOI: 10.1007/S10071-014-0808-2  0.375
2014 McMillan N, Kirk CR, Roberts WA. Pigeon (Columba livia) and rat (Rattus norvegicus) performance in the midsession reversal procedure depends upon cue dimensionality. Journal of Comparative Psychology (Washington, D.C. : 1983). 128: 357-66. PMID 25111628 DOI: 10.1037/A0036562  0.353
2014 Kirk CR, McMillan N, Roberts WA. Rats respond for information: Metacognition in a rodent? Journal of Experimental Psychology. Animal Learning and Cognition. 40: 249-59. PMID 24893220 DOI: 10.1037/Xan0000018  0.42
2013 McMillan N, Roberts WA. Interval timing under variations in the relative validity of temporal cues Journal of Experimental Psychology: Animal Behavior Processes. 39: 334-341. PMID 23627800 DOI: 10.1037/A0032470  0.337
2013 McMillan N, Roberts WA. Pigeons rank-order responses to temporally sequential stimuli Learning and Behavior. 41: 309-318. PMID 23494478 DOI: 10.3758/S13420-013-0106-X  0.361
2013 Macpherson K, Roberts WA. Can dogs count? Learning and Motivation. 44: 241-251. DOI: 10.1016/J.Lmot.2013.04.002  0.356
2012 McMillan N, Roberts WA. Pigeons make errors as a result of interval timing in a visual, but not a visual-spatial, midsession reversal task Journal of Experimental Psychology: Animal Behavior Processes. 38: 440-445. PMID 23066981 DOI: 10.1037/A0030192  0.368
2012 Roberts W, McMillan N, Musolino E, Cole M. Information Seeking in Animals: Metacognition? Comparative Cognition & Behavior Reviews. 8: 85-109. DOI: 10.3819/Ccbr.2012.70005  0.332
2012 Roberts WA. Evidence for future cognition in animals Learning and Motivation. 43: 169-180. DOI: 10.1016/J.Lmot.2012.05.005  0.319
2011 Feeney MC, Roberts WA, Sherry DF. Mechanisms of what-where-when memory in black-capped chickadees (Poecile atricapillus): do chickadees remember "when"? Journal of Comparative Psychology (Washington, D.C. : 1983). 125: 308-16. PMID 21639614 DOI: 10.1037/A0023635  0.331
2011 Feeney MC, Roberts WA, Sherry DF. Black-capped chickadees (Poecile atricapillus) anticipate future outcomes of foraging choices. Journal of Experimental Psychology. Animal Behavior Processes. 37: 30-40. PMID 20718548 DOI: 10.1037/A0019908  0.338
2010 Roberts WA. Distance and magnitude effects in sequential number discrimination by pigeons. Journal of Experimental Psychology. Animal Behavior Processes. 36: 206-16. PMID 20384401 DOI: 10.1037/A0017226  0.354
2010 McMillan N, Roberts WA. The effects of cue competition on timing in pigeons Behavioural Processes. 84: 581-590. PMID 20219650 DOI: 10.1016/J.Beproc.2010.02.018  0.4
2010 Macpherson K, Roberts WA. Spatial memory in dogs (Canis familiaris) on a radial maze. Journal of Comparative Psychology (Washington, D.C. : 1983). 124: 47-56. PMID 20175596 DOI: 10.1037/A0018084  0.381
2010 Roberts WA. Testing a stochastic foraging model in an operant simulation: Agreement with qualitative but not quantitative predictions. Journal of the Experimental Analysis of Behavior. 59: 323-31. PMID 16812688 DOI: 10.1901/Jeab.1993.59-323  0.314
2010 Cheng K, Roberts WA. Timing multimodal events in pigeons. Journal of the Experimental Analysis of Behavior. 52: 363-76. PMID 16812601 DOI: 10.1901/Jeab.1989.52-363  0.561
2010 Roberts WA. “Counting” serially presented stimuli by human and nonhuman primates and pigeons Learning and Motivation. 41: 241-251. DOI: 10.1016/J.Lmot.2010.08.002  0.367
2009 Petter M, Musolino E, Roberts WA, Cole M. Can dogs (Canis familiaris) detect human deception? Behavioural Processes. 82: 109-18. PMID 19686949 DOI: 10.1016/J.Beproc.2009.07.002  0.342
2009 Feeney MC, Roberts WA, Sherry DF. Memory for what, where, and when in the black-capped chickadee (Poecile atricapillus). Animal Cognition. 12: 767-77. PMID 19466468 DOI: 10.1007/S10071-009-0236-X  0.349
2009 Roberts WA, Feeney MC. The comparative study of mental time travel Trends in Cognitive Sciences. 13: 271-277. PMID 19447669 DOI: 10.1016/J.Tics.2009.03.003  0.327
2009 Roberts WA, Feeney MC, McMillan N, MacPherson K, Musolino E, Petter M. Do pigeons (Columba livia) study for a test? Journal of Experimental Psychology. Animal Behavior Processes. 35: 129-42. PMID 19364222 DOI: 10.1037/A0013722  0.393
2008 Roberts WA, Feeney MC, Macpherson K, Petter M, McMillan N, Musolino E. Episodic-like memory in rats: is it based on when or how long ago? Science (New York, N.Y.). 320: 113-5. PMID 18388296 DOI: 10.1126/Science.1152709  0.373
2008 Feeney MC, Roberts WA. Rats show preference for delayed rewards on the radial maze. Learning & Behavior. 36: 42-54. PMID 18318425 DOI: 10.3758/Lb.36.1.42  0.368
2008 Roberts WA. Chapter 2.1 The current status of cognitive time travel research in animals Handbook of Behavioral Neuroscience. 18: 135-153. DOI: 10.1016/S1569-7339(08)00209-9  0.356
2007 Roberts WA. Mental time travel: animals anticipate the future. Current Biology : Cb. 17: R418-20. PMID 17550769 DOI: 10.1016/J.Cub.2007.04.010  0.329
2007 Roberts WA, Cruz C, Tremblay J. Rats take correct novel routes and shortcuts in an enclosed maze. Journal of Experimental Psychology. Animal Behavior Processes. 33: 79-91. PMID 17469957 DOI: 10.1037/0097-7403.33.2.79  0.36
2007 Naqshbandi M, Feeney MC, McKenzie TL, Roberts WA. Testing for episodic-like memory in rats in the absence of time of day cues: replication of Babb and Crystal. Behavioural Processes. 74: 217-25. PMID 17118573 DOI: 10.1016/J.Beproc.2006.10.010  0.41
2006 Naqshbandi M, Roberts WA. Anticipation of future events in squirrel monkeys (Saimiri sciureus) and rats (Rattus norvegicus): tests of the Bischof-Kohler hypothesis. Journal of Comparative Psychology (Washington, D.C. : 1983). 120: 345-57. PMID 17115855 DOI: 10.1037/0735-7036.120.4.345  0.367
2006 Roberts WA. Animal memory: episodic-like memory in rats. Current Biology : Cb. 16: R601-3. PMID 16890521 DOI: 10.1016/J.Cub.2006.07.001  0.354
2006 Roberts WA. Evidence that pigeons represent both time and number on a logarithmic scale. Behavioural Processes. 72: 207-14. PMID 16621331 DOI: 10.1016/J.Beproc.2006.03.002  0.31
2005 Roberts WA. How do pigeons represent numbers? Studies of number scale bisection. Behavioural Processes. 69: 33-43. PMID 15795068 DOI: 10.1016/J.Beproc.2005.01.005  0.304
2005 McKenzie TL, Bird LR, Roberts WA. The effects of cache modification on food caching and retrieval behavior by rats Learning and Motivation. 36: 260-278. DOI: 10.1016/J.Lmot.2005.02.011  0.352
2004 McKenzie T, Cherman T, Bird LR, Naqshbandi M, Roberts WA. Can squirrel monkeys (Saimiri sciureus) plan for the future? Studies of temporal myopia in food choice. Learning & Behavior. 32: 377-90. PMID 15825880 DOI: 10.3758/Bf03196035  0.349
2003 Boisvert MJ, Abroms BD, Roberts WA. Human nonverbal counting estimated by response production and verbal report. Psychonomic Bulletin & Review. 10: 683-90. PMID 14620364 DOI: 10.3758/Bf03196532  0.307
2003 Bird LR, Roberts WA, Abroms B, Kit KA, Crupi C. Spatial memory for food hidden by rats (Rattus norvegicus) on the radial maze: studies of memory for where, what, and when. Journal of Comparative Psychology (Washington, D.C. : 1983). 117: 176-87. PMID 12856788 DOI: 10.1037/0735-7036.117.2.176  0.385
2002 Weatherly JN, Plumm KM, Smith JR, Roberts WA. On the determinants of induction in responding for sucrose when food pellet reinforcement is upcoming. Animal Learning & Behavior. 30: 315-29. PMID 12593324 DOI: 10.3758/Bf03195957  0.367
2002 Sutton JE, Roberts WA. Failure to find evidence of stimulus generalization within pictorial categories in pigeons. Journal of the Experimental Analysis of Behavior. 78: 333-43. PMID 12507007 DOI: 10.1901/Jeab.2002.78-333  0.691
2002 Roberts WA, Roberts S. Two tests of the stuck-in-time hypothesis. The Journal of General Psychology. 129: 415-29. PMID 12494992 DOI: 10.1080/00221300209602105  0.407
2002 Roberts WA. Are animals stuck in time? Psychological Bulletin. 128: 473-89. PMID 12002698 DOI: 10.1037/0033-2909.128.3.473  0.323
2002 Roberts WA, Roberts S, Kit KA. Pigeons presented with sequences of light flashes use behavior to count but not to time. Journal of Experimental Psychology. Animal Behavior Processes. 28: 137-50. PMID 11987871 DOI: 10.1037/0097-7403.28.2.137  0.347
2002 Sutton JE, Roberts WA. The Effect of Nontemporal Information Processing on Time Estimation in Pigeons Learning and Motivation. 33: 124-140. DOI: 10.1006/Lmot.2001.1103  0.71
2001 Roberts WA, Coughlin R, Roberts S. Pigeons flexibly time or count on cue. Psychological Science. 11: 218-22. PMID 11273406 DOI: 10.1111/1467-9280.00244  0.328
2000 Olthof A, Roberts WA. Summation of symbols by pigeons (Columba livia): the importance of number and mass of reward items. Journal of Comparative Psychology (Washington, D.C. : 1983). 114: 158-66. PMID 10890587 DOI: 10.1037/0735-7036.114.2.158  0.362
2000 Hogarth LA, Roberts WA, Roberts S, Abroms B. Spatial localization of a goal: Beacon homing and landmark piloting by rats on a radial maze Animal Learning & Behavior. 28: 43-58. DOI: 10.3758/Bf03199771  0.394
2000 Sutton JE, Olthof A, Roberts WA. Landmark use by squirrel monkeys (Saimiri sciureus) Animal Learning & Behavior. 28: 28-42. DOI: 10.3758/Bf03199770  0.681
1998 Sutton JE, Roberts WA. Do pigeons show incidental timing? Some experiments and a suggested hierarchical framework for the study of attention in animal cognition. Behavioural Processes. 44: 263-75. PMID 24896978 DOI: 10.1016/S0376-6357(98)00053-9  0.708
1997 Olthof A, Iden CM, Roberts WA. Judgments of ordinality and summation of number symbols by squirrel monkeys (Saimiri sciureus). Journal of Experimental Psychology: Animal Behavior Processes. 23: 325-339. DOI: 10.1037/0097-7403.23.3.325  0.334
1997 Roberts WA. Chapter 5 Does a common mechanism account for timing and counting phenomena in the pigeon Advances in Psychology. 120: 185-215. DOI: 10.1016/S0166-4115(97)80057-X  0.401
1996 Roberts WA, Phelps MT, Macuda T, Brodbeck DR, Russ T. Intraocular transfer and simultaneous processing of stimuli presented in different visual fields of the pigeon. Behavioral Neuroscience. 110: 290-9. PMID 8731055 DOI: 10.1037//0735-7044.110.2.290  0.721
1996 Roberts WA. 3 Stimulus generalization and hierarchical structure in categorization by animals Advances in Psychology. 117: 35-54. DOI: 10.1016/S0166-4115(06)80102-0  0.341
1995 Roberts WA, Macuda T, Brodbeck DR. Memory for number of light flashes in the pigeon Animal Learning & Behavior. 23: 182-188. DOI: 10.3758/Bf03199933  0.753
1995 Macuda T, Roberts WA. Further evidence for hierarchical chunking in rat spatial memory. Journal of Experimental Psychology: Animal Behavior Processes. 21: 20-32. DOI: 10.1037/0097-7403.21.1.20  0.416
1994 Phelps MT, Roberts WA. Memory for pictures of upright and inverted primate faces in humans (Homo sapiens), squirrel monkeys (Saimiri sciureus), and pigeons (Columba livia). Journal of Comparative Psychology (Washington, D.C. : 1983). 108: 114-25. PMID 8026162 DOI: 10.1037/0735-7036.108.2.114  0.348
1994 Wathen CN, Roberts WA. Multiple-pattern learning by rats on an eight-arm radial maze Animal Learning & Behavior. 22: 155-164. DOI: 10.3758/Bf03199915  0.365
1994 Roberts WA, Phelps MT. Transitive Inference in Rats: A Test of the Spatial Coding Hypothesis Psychological Science. 5: 368-374. DOI: 10.1111/J.1467-9280.1994.Tb00287.X  0.323
1994 Roberts WA, Mitchell S. Can a pigeon simultaneously process temporal and numerical information? Journal of Experimental Psychology: Animal Behavior Processes. 20: 66-78. DOI: 10.1037/0097-7403.20.1.66  0.396
1992 Ash M, Roberts WA. Central-place foraging by rats on the radial maze: The effects of patch size, food distribution, and travel time Animal Learning & Behavior. 20: 127-134. DOI: 10.3758/Bf03200410  0.341
1991 Roberts WA. Testing optimal foraging theory on the radial maze: The role of learning in patch sampling Animal Learning & Behavior. 19: 305-316. DOI: 10.3758/Bf03197891  0.388
1991 Phelps MT, Roberts WA. Pattern tracking on the radial maze: Tracking multiple patterns at different spatial locations. Journal of Experimental Psychology: Animal Behavior Processes. 17: 411-422. DOI: 10.1037/0097-7403.17.4.411  0.348
1991 Cheng K, Roberts WA. Three psychophysical principles of timing in pigeons Learning and Motivation. 22: 112-128. DOI: 10.1016/0023-9690(91)90019-5  0.546
1991 Schacter GB, Phelps MT, Brodbeck DR, Mogenson GJ, Roberts WA. Disruption of central-place foraging in the rat following lesions of the dorsomedial thalamic nucleus Psychobiology. 19: 91-99. DOI: 10.1007/Bf03337962  0.738
1990 Phelps MT, Roberts WA. Central-place foraging by Rattus norvegicus on a radial maze. Journal of Comparative Psychology (Washington, D.C. : 1983). 103: 326-38. PMID 2598619 DOI: 10.1037/0735-7036.103.4.326  0.344
1989 Roberts WA, Cheng K, Cohen JS. Timing light and tone signals in pigeons. Journal of Experimental Psychology: Animal Behavior Processes. 15: 23-35. DOI: 10.1037/0097-7403.15.1.23  0.593
1988 Ilersich TJ, Mazmanian DS, Roberts WA. Foraging for covered and uncovered food on a radial maze Animal Learning &Amp; Behavior. 16: 388-394. DOI: 10.3758/Bf03209377  0.359
1987 Kraemer PJ, Mazmanian DS, Roberts WA. Simultaneous processing of visual and spatial stimuli in pigeons Animal Learning &Amp; Behavior. 15: 417-422. DOI: 10.3758/Bf03205050  0.33
1987 Kraemer PJ, Roberts WA. Restricted processing of simultaneously presented brightness and pattern stimuli in pigeons Animal Learning & Behavior. 15: 15-24. DOI: 10.3758/Bf03204899  0.341
1986 Dale RHI, Roberts WA. Variations in radial maze performance under different levels of food and water deprivation Animal Learning & Behavior. 14: 60-64. DOI: 10.3758/Bf03200038  0.326
1985 Kraemer PJ, Roberts WA. Short-term memory for simultaneously presented visual and auditory signals in the pigeon. Journal of Experimental Psychology. Animal Behavior Processes. 11: 137-51. PMID 4009119 DOI: 10.1037//0097-7403.11.2.137  0.325
1985 Kraemer PJ, Mazmanian DS, Roberts WA. The choose-short effect in pigeon memory for stimulus duration: Subjective shortening versus coding models Animal Learning &Amp; Behavior. 13: 349-354. DOI: 10.3758/Bf03208009  0.388
1985 Santi A, Roberts WA. Reinforcement expectancy and trial spacing effects in delayed matching-to-sample by pigeons Animal Learning & Behavior. 13: 274-284. DOI: 10.3758/Bf03200021  0.381
1985 Santi A, Roberts WA. Prospective representation: The effects of varied mapping of sample stimuli to comparison stimuli and differential trial outcomes on pigeons’ working memory Animal Learning & Behavior. 13: 103-108. DOI: 10.3758/Bf03199261  0.362
1984 Kraemer PJ, Roberts WA. Short-term memory for visual and auditory stimuli in pigeons Animal Learning & Behavior. 12: 275-284. DOI: 10.3758/Bf03199968  0.368
1984 Roberts WA, Mazmanian DS, Kraemer PJ. Directed forgetting in monkeys Animal Learning &Amp; Behavior. 12: 29-40. DOI: 10.3758/Bf03199810  0.338
1984 Kraemer PJ, Roberts WA. The influence of flavor preexposure and test interval on conditioned taste aversions in the rat Learning and Motivation. 15: 259-278. DOI: 10.1016/0023-9690(84)90022-5  0.369
1983 Roberts WA, Kraemer PJ. Serial position effects in humans and animals: A reply to Gaffan Animal Learning & Behavior. 11: 146-147. DOI: 10.3758/Bf03212323  0.365
1983 Mazmanian DS, Roberts WA. Spatial memory in rats under restricted viewing conditions Learning and Motivation. 14: 123-139. DOI: 10.1016/0023-9690(83)90001-2  0.391
1982 Roberts WA, Kraemer PJ. Some observations of the effects of intertrial interval and delay on delayed matching to sample in pigeons. Journal of Experimental Psychology. Animal Behavior Processes. 8: 342-53. PMID 7175446 DOI: 10.1037//0097-7403.8.4.342  0.355
1981 Roberts WA, Kraemer PJ. Recognition memory for lists of visual stimuli in monkeys and humans Animal Learning & Behavior. 9: 587-594. DOI: 10.3758/Bf03209795  0.373
1981 Roberts WA. Retroactive inhibition in rat spatial memory Animal Learning & Behavior. 9: 566-574. DOI: 10.3758/Bf03209792  0.387
1981 Roberts WA, Dale RH. Remembrance of places lasts: Proactive inhibition and patterns of choice in rat spatial memory Learning and Motivation. 12: 261-281. DOI: 10.1016/0023-9690(81)90009-6  0.403
1980 Roberts WA. Distribution of trials and intertrial retention in delayed matching to sample with pigeons. Journal of Experimental Psychology. Animal Behavior Processes. 6: 217-37. PMID 7391750 DOI: 10.1037//0097-7403.6.3.217  0.356
1979 Roberts WA. Spatial memory in the rat on a hierarchical maze Learning and Motivation. 10: 117-140. DOI: 10.1016/0023-9690(79)90040-7  0.437
1979 Roberts WA, Smythe WE. Memory for lists of spatial events in the rat Learning and Motivation. 10: 313-336. DOI: 10.1016/0023-9690(79)90036-5  0.413
1978 Zoladek L, Roberts WA. The sensory basis of spatial memory in the rat Animal Learning & Behavior. 6: 77-81. DOI: 10.3758/Bf03212006  0.371
1978 Roberts WA, Grant DS. An analysis of light-induced retroactive inhibition in pigeon short-term memory Journal of Experimental Psychology: Animal Behavior Processes. 4: 219-236. DOI: 10.1037/0097-7403.4.3.219  0.338
1977 Herzog HL, Grant DS, Roberts WA. Effects of sample duration and spaced repetition upon delayed matching-to-sample in monkeys (Macaca arctoides and Saimiri sciureus) Animal Learning &Amp; Behavior. 5: 347-354. DOI: 10.3758/Bf03209577  0.366
1977 Roberts WA. Still no evidence for visual discrimination learning: A reply to Lett Learning and Motivation. 8: 140-144. DOI: 10.1016/0023-9690(77)90074-1  0.404
1976 Roberts WA. Failure to replicate visual discrimination learning with a 1-min delay of reward Learning and Motivation. 7: 313-325. DOI: 10.1016/0023-9690(76)90039-4  0.4
1974 Roberts WA, Grant DS. Short-term memory in the pigeon with presentation time precisely controlled Learning and Motivation. 5: 393-408. DOI: 10.1016/0023-9690(74)90020-4  0.385
1973 Grant DS, Roberts WA. Trace interaction in pigeon short-term memory Journal of Experimental Psychology. 101: 21-29. DOI: 10.1037/H0035532  0.361
1972 Roberts WA. Spatial separation and visual differentiation of cues as factors influencing short-term memory in the rat. Journal of Comparative and Physiological Psychology. 78: 284-91. PMID 5062001 DOI: 10.1037/H0032295  0.335
1966 Gonzalez RC, Roberts WA, Bitterman ME. Resistance to Extinction in Normal and Extensively Decorticated Rats as a Function of Amount and Percentage of Reinforcement The American Journal of Psychology. 79: 542. DOI: 10.2307/1421289  0.54
1964 Gonzalez RC, Roberts WA, Bitterman ME. Learning in Adult Rats with Extensive Cortical Lesions Made in Infancy The American Journal of Psychology. 77: 547. DOI: 10.2307/1420766  0.437
1963 ROBERTS WA, BULLOCK DH, BITTERMAN ME. Resistance to extinction in the pigeon after partially reinforced instrumental training under discrete-trials conditions. The American Journal of Psychology. 76: 353-65. PMID 13974333 DOI: 10.2307/1419776  0.53
1963 Roberts WA, Bullock DH, Bitterman ME. Resistance to Extinction in the Pigeon after Partially Reinforced Instrumental Training under Discrete-Trials Conditions The American Journal of Psychology. 76: 353. DOI: 10.2307/1419776  0.477
1961 Bullock DH, Roberts WA, Bitterman ME. Techniques of housing and maintaining a large pigeon colony. Journal of the Experimental Analysis of Behavior. 4: 285-6. PMID 16811265 DOI: 10.1901/Jeab.1961.4-285  0.467
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