Theodore A. Evans

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All published works

Action	Title	Year	Authors
+	Numerical Cognition and Quantitative Abilities in Nonhuman Primates	2015	Michael J. Beran Audrey E. Parrish Theodore A. Evans
+ PDF Chat	Defining value through quantity and quality—Chimpanzees (Pan troglodytes) undervalue food quantities when items are broken	2014	Audrey E. Parrish Theodore A. Evans Michael J. Beran
+	Monkey Mathematical Abilities	2014	Michael J. Beran Bonnie M. Perdue Theodore A. Evans
+ PDF Chat	What counts for ‘counting’? Chimpanzees, Pan troglodytes, respond appropriately to relevant and irrelevant information in a quantity judgment task	2013	Michael J. Beran Joseph M. McIntyre Alexis Garland Theodore A. Evans
+ PDF Chat	Humans and monkeys show similar skill in estimating uncertain outcomes	2012	Michael J. Beran Katharine Owens Holly A. Phillips Theodore A. Evans
+ PDF Chat	Do Social Conditions Affect Capuchin Monkeys’ (Cebus apella) Choices in a Quantity Judgment Task?	2012	Michael J. Beran Bonnie M. Perdue Audrey E. Parrish Theodore A. Evans
+	Numerical judgments by chimpanzees (Pan troglodytes) in a token economy.	2011	Michael J. Beran Theodore A. Evans Daniel Hoyle
+	What counts for "counting"? Chimpanzees (Pan troglodytes) know what does or does not matter during quantity judgments	2011	Michael J. Beran Joseph M. McIntyre Jessica Bramlett Theodore A. Evans
+ PDF Chat	Perception of food amounts by chimpanzees (Pan troglodytes): The role of magnitude, contiguity, and wholeness.	2009	Michael J. Beran Theodore A. Evans Chasity L. Ratliff
+ PDF Chat	Natural choice in chimpanzees (Pan troglodytes): Perceptual and temporal effects on selective value	2008	Michael J. Beran Chasity L. Ratliff Theodore A. Evans
+ PDF Chat	When in doubt, chimpanzees rely on estimates of past reward amounts	2008	Michael J. Beran Theodore A. Evans Emily H. Harris
+	Quantity judgments of sequentially presented food items by capuchin monkeys (Cebus apella)	2008	Theodore A. Evans Michael J. Beran Emily H. Harris Daniel F. Rice
+ PDF Chat	An efficient computerized testing method for the capuchin monkey (Cebus apella): Adaptation of the LRC-CTS to a socially housed nonhuman primate species	2008	Theodore A. Evans Michael J. Beran Betty Chan Emily D. Klein Charles R. Menzel
+ PDF Chat	Perception of food amounts by chimpanzees based on the number, size, contour length and visibility of items	2008	Michael J. Beran Theodore A. Evans Emily H. Harris
+	Ordinal judgments of symbolic stimuli by capuchin monkeys (Cebus apella) and rhesus monkeys (Macaca mulatta): The effects of differential and nondifferential reward.	2008	Michael J. Beran Emily H. Harris Theodore A. Evans Emily D. Klein Betty Chan Timothy M. Flemming David A. Washburn
+ PDF Chat	Discrimination Reversal Learning in Capuchin Monkeys (Cebus Apella)	2008	Michael J. Beran Emily D. Klein Theodore A. Evans Betty Chan Timothy M. Flemming Emily H. Harris David A. Washburn Duane M. Rumbaugh
+	Summation and quantity judgments of sequentially presented sets by capuchin monkeys (<i>Cebus apella</i>)	2007	Michael J. Beran Theodore A. Evans Katherine A. Leighty Emily H. Harris Daniel F. Rice
+	Ordinal Representation of Numeric Quantities by Brown Capuchin Monkeys (Cebus apella).	2005	Peter G. Judge Theodore A. Evans Dhaval K. Vyas

Common Coauthors

Coauthor	Papers Together
Michael J. Beran	17
Emily H. Harris	6
Emily D. Klein	3
Audrey E. Parrish	3
Betty Chan	3
Timothy M. Flemming	2
Bonnie M. Perdue	2
Joseph M. McIntyre	2
Daniel F. Rice	2
Chasity L. Ratliff	2
David A. Washburn	2
Dhaval K. Vyas	1
Peter G. Judge	1
Alexis Garland	1
Jessica Bramlett	1
Holly A. Phillips	1
Charles R. Menzel	1
Katharine Owens	1
Duane M. Rumbaugh	1
Katherine A. Leighty	1
Daniel Hoyle	1

Commonly Cited References

Action	Title	Year	Authors	# of times referenced
+	Summation and numerousness judgments of sequentially presented sets of items by chimpanzees (Pan troglodytes).	2001	Michael J. Beran	12
+	Estimating and operating on discrete quantities in Orangutans (Pongo pygmaeus).	2000	Josep Call	12
+	Chimpanzees (Pan troglodytes) Respond to Nonvisible Sets After One-by-One Addition and Removal of Items.	2004	Michael J. Beran	12
+	Chimpanzees Remember the Results of One-by-One Addition of Food Items to Sets Over Extended Time Periods	2004	Michael J. Beran Mary M. Beran	10
+	Discrete quantity judgments in the great apes (Pan paniscus, Pan troglodytes, Gorilla gorilla, Pongo pygmaeus): The effect of presenting whole sets versus item-by-item.	2007	Daniel Hanus Josep Call	9
+	Food and token quantity discrimination in capuchin monkeys (Cebus apella)	2007	Elsa Addessi Lara Crescimbene Elisabetta Visalberghi	8
+	Salamanders (Plethodon cinereus) go for more: rudiments of number in an amphibian	2003	Claudia Uller Robert G. Jaeger Gena Guidry Carolyn Martin	8
+ PDF Chat	Representation of the numerosities 1-9 by rhesus macaques (Macaca mulatta).	2000	Elizabeth M. Brannon H. S. Terrace	8
+ PDF Chat	Spontaneous number representation in semi–free–ranging rhesus monkeys	2000	Marc D. Hauser Susan Carey Lilan B. Hauser	8
+	Summation in the chimpanzee (Pan troglodytes).	1987	Duane M. Rumbaugh Sue Savage‐Rumbaugh Mark T. Hegel	8
+	Non-verbal numerical cognition: from reals to integers	2000	C. R. Gallistel Rochel Gelman	8
+	Rhesus monkeys (Macaca mulatta) enumerate large and small sequentially presented sets of items using analog numerical representations.	2007	Michael J. Beran	7
+	Quantity-based judgments in the domestic dog (Canis lupus familiaris)	2006	Camille Ward Barbara Smuts	7
+ PDF Chat	Perception of food amounts by chimpanzees based on the number, size, contour length and visibility of items	2008	Michael J. Beran Theodore A. Evans Emily H. Harris	7
+	Nonverbal Representations of Time and Number in Animals and Human Infants	2003	Jamie D. Roitman Elizabeth M. Brannon	7
+	Summation and quantity judgments of sequentially presented sets by capuchin monkeys (<i>Cebus apella</i>)	2007	Michael J. Beran Theodore A. Evans Katherine A. Leighty Emily H. Harris Daniel F. Rice	6
+	Functional and Neural Mechanisms of Interval Timing	2003	Warren H. Meck	6
+	How capuchin monkeys (Cebus apella) quantify objects and substances.	2006	Kristy vanMarle Justine Aw Koleen McCrink Laurie R. Santos	6
+	Relative Numerousness Judgment and Summation in Young and Old Western Lowland Gorillas.	2005	Ursula S. Anderson Tara S. Stoinski Mollie A. Bloomsmith M. Jackson Marr Anderson D. Smith Terry L. Maple	6
+	Ordinal Representation of Numeric Quantities by Brown Capuchin Monkeys (Cebus apella).	2005	Peter G. Judge Theodore A. Evans Dhaval K. Vyas	6
+ PDF Chat	Numerical competence in a chimpanzee (Pan troglodytes).	1989	Sarah T. Boysen Gary G. Berntson	6
+	Piagetian conservation of discrete quantities in bonobos (Pan paniscus), chimpanzees (Pan troglodytes), and orangutans (Pongo pygmaeus)	2005	Chikako Suda Josep Call	6
+	Quantity judgments of sequentially presented food items by capuchin monkeys (Cebus apella)	2008	Theodore A. Evans Michael J. Beran Emily H. Harris Daniel F. Rice	5
+ PDF Chat	Size matters: Impact of item size and quantity on array choice by chimpanzees (Pan troglodytes).	2001	Sarah T. Boysen Gary G. Berntson Kimberly L. Mukobi	5
+	Quantity discrimination in salamanders	2010	Paul Krusche Claudia Uller Ursula Dicke	5
+	Selection of Food by Size in the Chimpanzee, and Comparison with Human Judgments	1960	Emil W. Menzel	5
+	Putting the Elephant Back in the Herd: Elephant Relative Quantity Judgments Match Those of Other Species	2011	Bonnie M. Perdue Kate Talbot Adam Stone Michael J. Beran	5
+	Do fish count? Spontaneous discrimination of quantity in female mosquitofish	2008	Christian Agrillo Marco Dadda Giovanna Serena Angelo Bisazza	5
+	Representation of the numerosities 1–9 by rhesus macaques (Macaca mulatta).	2000	Elizabeth M. Brannon H. S. Terrace	5
+	Shared System for Ordering Small and Large Numbers in Monkeys and Humans	2006	Jessica F. Cantlon Elizabeth M. Brannon	5
+	Ordinal Judgments and Summation of Nonvisible Sets of Food Items by Two Chimpanzees and a Rhesus Macaque.	2005	Michael J. Beran Mary M. Beran Emily H. Harris David A. Washburn	5
+ PDF Chat	Numerosity differences and effects of stimulus density on pigeons’ discrimination performance	1998	Jacky Emmerton	4
+	Numerical competence in animals: Definitional issues, current evidence, and a new research agenda	1988	Hank Davis Rachelle Pérusse	4
+	Ordering of the Numerosities 1 to 9 by Monkeys	1998	Elizabeth M. Brannon H. S. Terrace	4
+	Judgments of ordinality and summation of number symbols by squirrel monkeys (Saimiri sciureus).	1997	Anneke Olthof Caron M. Iden William A. Roberts	4
+ PDF Chat	Responses to quantity: Perceptual versus cognitive mechanisms in chimpanzees (Pan troglodytes).	1995	Sarah T. Boysen Gary G. Berntson	4
+	Relative numerosity discrimination by chimpanzees (Pan troglodytes): evidence for approximate numerical representations	2007	Masaki Tomonaga	4
+	Understanding of the concept of numerically "less" by bottlenose dolphins (Tursiops truncatus).	2005	Kelly Jaakkola Wendi Fellner Linda Erb Mandy Rodriguez Emily Guarino	4
+	Relative quantity judgments in South American sea lions (Otaria flavescens)	2011	José Zamorano-Abramson Marı́a Victoria Hernández-Lloreda Josep Call Fernando Colmenares	4
+ PDF Chat	Quantity judgments of auditory and visual stimuli by chimpanzees (Pan troglodytes).	2011	Michael J. Beran	4
+	Small and large number discrimination in guppies	2011	Laura Piffer Christian Agrillo Daniel C. Hyde	4
+	The Child's Understanding of Number	1979	Karen C. Fuson Rochel Gelman C. R. Gallistel	4
+	"Constructive" enumeration by chimpanzees ( Pan troglodytes ) on a computerized task	2001	Michael J. Beran Duane M. Rumbaugh	3
+	Capuchin monkeys (Cebus apella) succeed in a test of quantity conservation	2007	Michael J. Beran	3
+	Ordinal Judgments of Numerical Symbols by Macaques (<i>Macaca Mulatta</i>)	1991	David A. Washburn Duane M. Rumbaugh	3
+ PDF Chat	When in doubt, chimpanzees rely on estimates of past reward amounts	2008	Michael J. Beran Theodore A. Evans Emily H. Harris	3
+	Meadow voles, Microtus pennsylvanicus, can distinguish more over-marks from fewer over-marks	2004	Michael H. Ferkin Andrew A. Pierce Robert O. Sealand Javier delBarco‐Trillo	3
+	Numerosity discrimination in infants: Evidence for two systems of representations	2003	Fei Xu	3
+	Use of numbers by a chimpanzee	1985	Tetsuro Matsuzawa	3
+	Relative quantity judgment by Asian elephants (Elephas maximus)	2008	Naoko Irie-Sugimoto Tessei Kobayashi Takao Satô Toshikazu Hasegawa	3