Evolutionary precursors of social norms in chimpanzees: A new approach

Biology and Philosophy

Volumn 26, Issue 1, 2011, Pages 1-30

  von Rohr, Claudia Rudolf ^a   Burkart, Judith M ^a   van Schaik, Carel P ^a  

^a UNIVERSITY OF ZURICH   (Switzerland)

Author keywords

Chimpanzees; Evolution of moral behaviour; Evolution of social norms; Social behaviour

Indexed keywords

COGNITION; EVOLUTIONARY BIOLOGY; HOMINID; MORALITY; PSYCHOLOGY; SOCIAL BEHAVIOR; THEORETICAL STUDY;

ANIMALIA; PAN;

EID: 78650306137     PISSN: 01693867     EISSN: 15728404     Source Type: Journal    
DOI: 10.1007/s10539-010-9240-4     Document Type: Article

References (208)

1. Abarbanell L, Hauser MD (2010) Mayan morality: an exploration of permissible harms. Cognition 115: 207-224.
2. Alley TR (1980) Infantile coloration as an elicitor of caretaking behaviour in old world primates. Primates 21(3): 416-429.
3. Anderson JR, Myowa-Yamakoshi M, Matsuzawa T (2004) Contagious yawning in chimpanzees. Proc R Soc Lond B 271: 468-470.
4. Aureli F, van Schaik C (1991) Post-conflict behaviour in long-tailed macaques (Macaca fascicularis): II. Coping with uncertainty. Ethology 89: 101-114.
5. Axelrod R (1986) An evolutionary approach to norms. Am Polit Sci Rev 80(4): 1095-1111.
6. Baker KC, Smuts BB (1994) Social relationships of female chimpanzees: diversity between captive social groups. In: Wrangham RW, McGrew WC, de Waal FBM, Heltne PG (eds) Chimpanzee cultures. Harvard University Press, Cambridge, pp 227-242.
7. Bauer RM (1998) Physiologic measures of emotion. J Clin Neurophysiol 15: 388-396.
8. Bekoff M (2001) Social play behaviour: cooperation, fairness, trust, and the evolution of morality. J Consc Stud 8(2): 81-90.
9. Bekoff M (2004) Wild justice and fair play: cooperation, forgiveness, and morality in animals. Biol Philos 19: 489-520.
10. Bennett H (1996) Study of kinship, social relations and possible incest among Budongo chimpanzees. Master Thesis, Edinburgh University.
11. Beran MJ, Evans AT (2006) Maintenance of delay of gratification by four chimpanzees (Pan troglodytes): the effect of delayed reward visibility, experimenter presence, and extended delay intervals. Behav Processes 73: 315-324.
12. Bergman TJ, Beehner JC, Cheney DL, Seyfarth RM (2003) Hierarchical classification by rank and kinship in baboons. Science 302: 1234-1236.
13. Bernard G (2008) The definition of morality. In: Zalta EN (ed) The stanford encyclopedia of philosophy. http://plato. stanford. edu/archives/fall2008/entries/morality-definition/. Accessed Fall 2010.
14. Bethea L (1999) Primary prevention of child abuse. Am Fam Physician 59: 1577.
15. Bicchieri C (ed) (2006) The grammar of society: the nature and dynamics of social norms. Cambridge University Press, New York.
16. Bischof-Köhler D (1989) Spiegelbild und Empathie-Die Anfänge der sozialen Kognition. Hans Huber, Bern.
17. Blaffer Hrdy S (1979) Infanticide among animals: a review, classification, and examination of the implications for the reproductive strategies of females. Ethol Sociobiol 1: 13-40.
18. Blaffer Hrdy S (1999) Mother nature: a history of mothers, infants, and natural selection. Pantheon Books, New York.
19. Boehm C (1994) Pacifying interventions at Arnhem Zoo and Gombe. In: Wrangham RW, McGrew WC, de Waal FBM, Heltne PG (eds) Chimpanzee cultures. Harvard University Press, Cambridge, pp 211-226.
20. Boesch C (1991) Teaching among wild chimpanzees. Anim Behav 41: 530-532.
21. Boesch C (1994) Cooperative hunting in wild chimpanzees. Anim Behav 48(3): 653-667.
22. Boesch C (2007) What makes us human (Homo sapiens)? The challenge of cognitive cross-species comparison. J Comp Psychol 121: 227-240.
23. Boesch C (2009) The real chimpanzee. Cambridge University Press, Cambridge.
24. Boesch C, Boesch-Achermann H (2000) The chimpanzees of the Taï forest: behavioral ecology and evolution. Oxford University Press, Oxford.
25. Bonnie KE, Horner V, Whiten A, de Waal FBM (2007) Spread of arbitrary conventions among chimpanzees: a controlled experiment. Proc R Soc Lond B 274: 367-372.
26. Bott E (2003) Family and social network: roles, norms, and external relationships in ordinary urban families. Routledge Chapman & Hall, London.
27. Bowles S, Gintis H (2004) Persistent parochialism: trust and exclusion in ethnic networks. J Econ Behav Organ 55: 1-23.
28. Boyd R, Richerson PJ (1987) The evolution of ethnic markers. Cult Anthropol 2(1): 65-79.
29. Brosnan SF (2006) Nonhuman species' reactions to inequity and their implications for fairness. Soc Justice Res 19(2): 153-185.
30. Brosnan SF, Schiff HC, De Waal FBM (2005) Tolerance for inequity may increase with social closeness in chimpanzees. Proc R Soc Lond B 272: 253-258.
31. Burkart JM (2004) Evolutionäre Vorläufer der theory of mind. Experimente zur sozialen Kognition bei Weissbüschelaffen (Callithrix jacchus). Dissertation, University of Zurich.
32. Cacchione T, Krist H (2004) Recognizing impossible object relations: intuitions about support in chimpanzees (Pan troglodytes). J Comp Psychol 118: 140-148.
33. Call J (2007) Social knowledge in primates. In: Dunbar RIM, Barrett L (eds) Handbook of evolutionary psychology. Oxford University Press, New York, pp 71-81.
34. Call J, Tomasello M (2008) Does the chimpanzee have a theory of mind? 30 years later. Trends Cogn Sci 12: 187-192.
35. Campbell MW, Carter JD, Proctor D, Eisenberg ML, de Waal FBM (2009) Computer animations stimulate contagious yawning in chimpanzees. Proc R Soc Lond B 276: 4255-4259.
36. Castles DL, Whiten A (1998) Post-conflict behaviour of wild olive baboons. II. Stress and self-directed behaviour. Ethology 104(2): 148-160.
37. Cheney DL, Seyfarth RM (1990) Attending to behavior versus attending to knowledge: examining monkeys' attribution of mental states. Anim Behav 40: 742-753.
38. Cheney DL, Seyfarth RM (1999) Recognition of other individuals' social relationships by female baboons. Anim Behav 58: 67-75.
39. Christensen PN, Rothgerber H, Wood W, Matz DC (2004) Social norms and identity relevance: a motivational approach to normative behavior. Pers Soc Psychol Bull 30: 1295-1309.
40. Cisbra G, Gergely G (2009) Natural pedagogy. Trends Cogn Sci 13(4): 148-153.
41. Commons ML, Wolfsont CA (2002) A complete theory of empathy must consider stage changes. Behav Brain Sci 25: 30-31.
42. Cords M, Aureli F (2000) Reconciliation and relationship quality. In: Aureli F, de Waal FBM (eds) Natural conflict resolution. University of California Press, London, pp 177-199.
43. Cross G (2004) The cute and the cool: wondrous innocence and modern american children's culture. Oxford University Press, Oxford.
44. Daly M, Wilson M (1988) Evolutionary social psychology and family homicide. Science 242: 519-524.
45. Darwin C (1982) The descent of man, and selection in relation to sex. Princeton University Press, Princeton.
46. de Waal FBM (1982) Chimpanzee politics: power and sex among apes. Unwin Paperbacks, London.
47. de Waal FBM (1984) Sex differences in the formation of coalitions among chimpanzees. Ethol Sociobiol 5(4): 239-255.
48. de Waal FBM (1989) Dominance 'style' and primate social organization. In: Standen V, Foley RA (eds) Comparative socioecology: the behavioural ecology of humans and other mammals. Blackwell Scientific Publications, London, pp 243-263.
49. de Waal FBM (1991) The chimpanzee's sense of social regularity and its relation to the human sense of justice. Am Behav Sci 34(3): 335-349.
50. de Waal FBM (1996) Good natured: the origins of right and wrong in humans and other animals. Harvard University Press, Cambridge.
51. de Waal FBM (2000) Primates-a natural heritage of conflict resolution. Science 289: 586-590.
52. de Waal FBM (2005) Our inner ape. Riverhead Books, New York.
53. de Waal FBM (2008) Putting the altruism back into altruism: the evolution of empathy. Annu Rev Psychol 59(1): 279-300.
54. de Waal FBM, Hoekstra JA (1980) Contexts and predictability of aggression in chimpanzees. Anim Behav 28(3): 929-937.
55. de Waal FBM, van Hooff JARAM (1981) Side-directed communication and agonistic interactions in chimpanzees. Behaviour 77(3): 164-198.
56. de Waal FBM, van Roosmalen A (1979) Reconciliation and consolation among chimpanzees. Behav Ecol Sociobiol 5(1): 55-66.
57. Denant-Boemont L, Masclet D, Noussair C (2007) Punishment, counterpunishment and sanction enforcement in a social dilemma experiment. Econ Theory 33: 145-167.
58. Dufour V, Pelé M, Sterck EHM, Thierry B (2007) Chimpanzees (Pan troglodytes) anticipation of food return: coping with waiting time in an exchange task. J Comp Psychol 121(2): 145-155.
59. Efferson C, Lalive R, Richerson PJ, McElreath R, Lubell M (2008) Conformists and mavericks: the empirics of frequency-dependent cultural transmission. Evol Hum Behav 29: 56-64.
60. Ellikson RC (2001) The evolution of social norms: a perspective from the legal academy. In: Hechter M, Opp KD (eds) Social norms. Russell Sage Foundation, New York, pp 35-75.
61. Elster J (1989) The cement of society-a study of social order. Cambridge University Press, Cambridge.
62. Fehr E, Fischbacher U (2002) Social norms and human cooperation. Trends Cogn Sci 8(4): 185-190.
63. Fehr E, Fischbacher U (2004) Third-party punishment and social norms. Evol Hum Behav 25: 63-87.
64. Fehr E, Gächter S (2002) Altruistic punishment in humans. Nature 415: 137-140.
65. Finch G (1943) The bodily strength of chimpanzees. J Mammal 24(2): 224-228.
66. Flack JC, de Waal FBM (2002) Any animal whatever: darwinian building blocks of morality in monkeys and apes. In: Katz LD (ed) Evolutionary origins of morality: cross-disciplinary perspectives. Imprint Academic, Thorverton, pp 1-29.
67. Flack JC, Jeannotte LA, de Waal FBM (2004) Play signaling and the perception of social rules by juvenile chimpanzees (Pan troglodytes). J Comp Psychol 118(2): 149-159.
68. Flack JC, de Waal FBM, Krakauer DC (2005) Social structure, robustness, and policing cost in a cognitively sophisticated species. Am Nat 165(5): E126-E139.
69. Flack JC, Girvan M, de Waal FBM, Krakauer DC (2006) Policing stabilizes constructions of social niches in primates. Nature 439: 426-429.
70. Frank SA (2003) Perspective: repression of competition and the evolution of cooperation. Evolution 57(4): 693-705.
71. Fraser ON, Aureli F (2008) Reconciliation, consolation and postconflict behavioral specificity in chimpanzees. Am J Primatol 70: 1114-1123.
72. Fraser ON, Stahl D, Aureli F (2008) Stress reduction through consolation in chimpanzees. PNAS 105(25): 8557-8562.
73. Fuentes A (1999) Variable social organization: what can looking at primate groups tell us about the evolution of plasticity in primate societies? In: Dolhinow P, Fuentes A (eds) The nonhuman primates. Mayfield Publishing Company, London, pp 183-188.
74. Gallup GGJ (1970) Chimpanzees: self-recognition. Science 167: 241-243.
75. Gallup GGJ (1979) Self-recognition in chimpanzees and man: a developmental and comparative perspective. Plenum Press, New York.
76. Gilbert R, Spatz Widom C, Browne K, Fergusson D, Webb E, Janson S (2009) Burden and consequences of child maltreatment in high-income countries. Lancet 373: 68-81.
77. Glazko GV, Nei M (2003) Estimation of divergence times for major lineages of primate species. Mol Biol Evol 20(3): 424-434.
78. Goodall J (1971) In the shadow of man. Houghton Mifflin, Boston.
79. Goodall J (1977) Infant killing and cannibalism in free-living chimpanzees. Folia Primatol 28: 259-282.
80. Goodall J (1986) The chimpanzees of Gombe: patterns of behavior. The Belknap Press of Harvard University, Cambridge.
81. Goodall J, Bandora A, Bergmann E, Busse C, Matama H, Mpongo E, Pierge A, Riss D (1979) Intercommunity interactions in the chimpanzee population of the Gombe National Park. In: Hamburg DA, McCown ER (eds) The great apes. Benjamin/Cummings, California, pp 13-53.
82. Goodman M, Porter CA, Czelusniak J, Page SL, Schneider H, Shoshani J, Gunnell G, Groves CP (1998) Toward a phylogenetic classification of primates based on DNA evidence complemented by fossil evidence. Mol Phylogenet Evol 9(3): 585-598.
83. Greene J, Haidt J (2002) How (and where) does moral judgment work? Trends Cogn Sci 6(12): 517-523.
84. Hall KRL (1964) Aggression in monkey and ape societies. In: Carthy JD, Ebling FJ (eds) The natural history of aggression. Academic Press, London, pp 51-64.
85. Hamai M, Nishida T, Takasaki H, Turner LA (1992) New records of within-group infanticide and cannibalism in wild chimpanzees. Primates 33(2): 151-162.
86. Hamlin JK, Wynn K, Bloom P (2007) Social evaluation by preverbal infants. Nature 450: 557-559.
87. Hatters Friedman S, Resnick PJ (2007) Child murder by mothers: pattern and prevention. World Psychiatry 6: 137-141.
88. Hauser MD (2006) Moral minds: how nature designed our universal sense of right and wrong. HarperCollins Publishers, New York.
89. Hayaki H (1985) Social play of juvenile and adolescent chimpanzees in the Mahale Mountains National Park, Tanzania. Primates 26(4): 343-360.
90. Hechter M, Opp KD (2001) Social norms. The Russell Sage Foundation, New York.
91. Heim C, Nemeroff CB (2001) The role of childhood trauma in the neurobiology of mood and anxiety disorders: preclinical and clinical studies. Biol Psychiatry 49: 1023-1039.
92. Hess J (1997) Menschenaffen mutter und kind. Friedrich Reinhardt Verlag, Basel.
93. Hill K (2009) Animal "culture"? In: Laland KN, Galef BG (eds) The question of animal culture. Harvard University Press, Cambridge, pp 269-287.
94. Hill K, Barton M, Hurtado M (2009) The emergence of human uniqueness: characters underlying behavioral modernity. Evol Anthropol 18(5): 187-200.
95. Hiraiwa-Hasegawa M, Hasegawa T (1994) Infanticide in nonhuman primates: sexual selection and local resource competition. In: Parmigiani S, vom Saal FS (eds) Infanticide & parental care. Harwood Academic Publisher, Singapore, pp 137-155.
96. Hirata S, Celli ML (2003) Role of mothers in the acquisition of tool-use behaviours by captive infant chimpanzees. Anim Cogn 6: 235-244.
97. Hoffman ML (1979) Development of moral thought, feeling, and behavior. Am Psychol 34(10): 958-966.
98. Hoffman ML (2000) Empathy and Moral Development: Implications for Caring and Justice. Cambridge University Press, Cambridge.
99. Horne C (2001) Sociological perspectives on the emergence on norms. In: Hechter M, Opp KD (eds) Social norms. The Russell Sage Foundation, New York, pp 3-34.
100. Hrdy SB (2005) Evolutionary context of human development: the cooperative breeding model. In: Carter CS, Ahnert L, Grossmann KE et al (eds) Attachment and bonding: a new synthesis; from the 92nd Dahlem workshop report. MIT Press, Cambridge, pp 9-32.
101. Inoue-Nakamura N, Matsuzawa T (1997) Developement of stone tool use by wild chimpanzees (Pan troglodytes). J Comp Psychol 111(2): 159-173.
102. Janssen MA, Bushman C (2008) Evolution of cooperation and altruistic punishment when retaliation is possible. J Theor Biol 254: 541-545.
103. Jasso G (2001) Rule finding about rule making: comparison processes and the making of rules. In: Hechter M, Opp KD (eds) Social Norms. Russell Sage Foundation, New York, pp 348-394.
104. Jeannotte LA (1996) Play-signaling in juvenile chimpanzees in relationship to play intensity and social environment. Emory University, Atlanta.
105. Jensen K, Hare B, Call J, Tomasello M (2006) What's in it for me? Self-regard precludes altruism and spite in chimpanzees. Proc R Soc Lond B 273: 1013-1021.
106. Jensen K, Call J, Tomasello M (2007) Chimpanzees are vengeful but not spiteful. PNAS 104(32): 13046-13050.
107. Kanazawa S, Still MC (2001) The emergence of marriage norms: an evolutionary psychological perspective. In: Hechter M, Opp KD (eds) Social norms. Russell Sage Foundation, New York, pp 274-305.
108. Kawanaka K (1981) Infanticide and cannibalism in chimpanzees, with special reference to the newly observed case in Mahale Mountains. Afr Study Monogr 1: 69-99.
109. Khagram S, Riker JV, Sikkink K (2002) Restructuring world politics: transnational social movements, networks, and norms. University of Minnesota Press, Minneapolis.
110. Killen M, de Waal FBM (2000) The evolution and development of morality. In: Aureli F, de Waal FBM (eds) Natural conflict resolution. University of California Press, London, pp 352-372.
111. Killen M, McGlothlin H, Lee-Kim J (2002) Between individuals and culture: individuals' evaluations of exclusion from social groups. In: Keller H, Poortinga Y, Schoelmerich A (eds) Between biology and culture: perspectives on ontogenetic development. Cambridge University Press, Cambridge, pp 159-191.
112. Kitchen A, Denton D, Brent L (1996) Self-recognition and abstraction in the common chimpanzee studied with distorting mirrors. PNAS 93: 7405-7408.
113. Köhler W (1925) The mentality of apes. Kegan Paul, Trench, Trubner & Co., London.
114. Koski SE, Sterck EHM (2007) Triadic postconflict affiliation in captive chimpanzees: does consolation console? Anim Behav 73: 133-142.
115. Koski SE, Sterck EHM (2009a) Empathetic chimpanzees: a proposal of the levels of emotional and cognitive processing in chimpanzee empathy. Eur J Dev Psychol 7(1): 38-66.
116. Koski SE, Sterck EHM (2009b) Post-conflict third-party affiliation in chimpanzees: what's in it for the third party? Am J Primatol 71: 1-10.
117. Koski SE, de Vries H, van den Tweel SW, Sterck EHM (2007) What to do after a fight? The determinants and inter-dependency of post-conflict interactions in chimpanzees. Behaviour 144: 529-555.
118. Kuhlmeier V, Wynn K, Bloom P (2003) Attribution of dispositional states by 12-month-olds. Psychol Sci 14(5): 402-408.
119. Lehmann HE (1979) Yawning: a homeostatic reflex and its psychological significance. Bull Menninger Clin 43: 123-136.
120. Leigh SR, Shea BT (1995) Ontogeny and the evolution of adult body size dimorphism in apes. Am J Primatol 36: 37-60.
121. Lorenz K (1943) Die angeborenen Formen möglicher Erfahrung. Z Tierpsychol 5(2): 235-409.
122. Marlowe FW (2009) Hadza cooperation: second-party punishment, yes; third-party punishment, no. Hum Nat 20: 417-430.
123. Marlowe FW, Berbesque JC, Barr A, Barrett C, Bolyanatz A, Cardenas JC, Ensminger J, Gurven M, Gwako E, Henrich J, Henrich N, Lesorogol C, McElreath R, Tracer D (2008) More "altruistic" punishment in larger societies. Proc R Soc Lond B 275: 587-590.
124. Marsh B (2002) Do animals use heuristics? J Bioecon 4: 49-56.
125. Mendoza-Granados D, Sommer V (1995) Play in chimpanzees of the Arnhem Zoo: self-serving compromises. Primates 36(1): 57-68.
126. Mitani JC (2009) Cooperation and competition in chimpanzees: current understanding and future challenges. Evol Anthropol 18(5): 215-227.
127. Moghadam VM (2003) Modernizing women: gender and social change in the middle east. Lynne Rienner, Boulder.
128. Moll J, Zahn R, de Oliveira-Souza R, Krueger F, Grafman J (2005) The neural basis of human moral cognition. Nat Neurosci 6: 799-809.
129. Muller MN (2002) Agonistic relations among Kanyawara chimpanzees. In: Boesch C, Hohmann G, Marchant LF (eds) Behavioural diversity in chimpanzees and Bonobos. Cambridge University Press, Cambridge, pp 112-124.
130. Murdock GP (1967) Ethnographic atlas. University of Pittsburgh Press, Pittsburgh.
131. Murray CM, Wroblewski E, Pusey AE (2007) New case of intragroup infanticide in the chimpanzees of Gombe national park. Int J Primatol 28(1): 23-37.
132. Newton-Fisher NE (2006) Female coalitions against male aggression in wild chimpanzees of the Budongo forest. Int J Primatol 27(6): 1589-1599.
133. Nichols S (2002) Norms with feeling: towards a psychological account of moral judgment. Cognition 84: 221-236.
134. Nichols S (2004) Sentimental rules. Oxford University Press, New York.
135. Nishida T (1983) Alpha status and agonistic alliance in wild chimpanzees (Pan troglodytes schweinfurthii). Primates 24(3): 318-336.
136. Nishida T, Hosaka K (1996) Coalition strategies among adult male chimpanzees of the Mahale Mountains, Tanzania. In: McGrew W, Marchant L, Nishida T (eds) Great ape societies. Cambridge University Press, Cambridge, pp 114-135.
137. Nishida T, Kawanaka K (1985) Within-group cannibalism by adult male chimpanzees. Primates 26: 274-284.
138. Norikoshi K (1982) One observed case of cannibalism among wild chimpanzees of the Mahale Mountains. Primates 23: 66-74.
139. Nucci LP (2001) Education in the moral domain. Cambridge University Press, Cambridge.
140. Nucci LP, Turiel E (1978) Social interactions and the development of social concepts in preschool children. Child Dev 49: 400-407.
141. Osvath M, Osvath H (2008) Chimpanzee (Pan troglodytes) and orangutan (Pongo abelii) forethought: self-control and pre-experience in the face of future tool use. Anim Cogn 11: 661-674.
142. Parr LA (2001) Cognitive and physiological markers of emotional awareness. Anim Cogn 4: 223-229.
143. Parr LA, Hopkins WD (2000) Brain temperature asymmetries and emotional perception in chimpanzees, Pan troglodytes. Physiol Behav 71: 363-371.
144. Penn DC, Povinelli DJ (2007) On the lack of evidence that non-human animals possess anything remotely resembling a 'theory of mind'. Philos Trans R Soc B 362: 731-744.
145. Platek SM, Critton SR, Myers TE, Gallup GG Jr (2003) Contagious yawning: the role of self-awareness and mental state attribution. Cogn Brain Res 17: 223-227.
146. Platteau JP (2000) Institutions, social norms, and economic development (fundamentals of development economics). Harwood Academic Publishers, Singapore.
147. Potegal M (2000) Post-tantrum affiliation with parents: the ontogeny of reconciliation. In: Aureli F, de Waal FBM (eds) Natural conflict resolution. University of California Press, London, pp 253-255.
148. Povinelli D, Vonk J (2003) Chimpanzee minds: suspiciously human? Trends Cogn Sci 7: 157-160.
149. Povinelli DJ, Parks KA, Novak MA (1991) Do rhesus monkeys (Macaca mulatta) attribute knowledge and ignorance to others? J Comp Psychol 105: 318-325.
150. Preston S, de Waal FBM (2002) Empathy: its ultimate and proximate bases. Behav Brain Sci 25: 1-72.
151. Pusey A, Williams J, Goodall J (1997) The influence of dominance rank on the reproductive success of female chimpanzees. Science 277(5327): 828-831.
152. Pusey AE, Oehlert GW, Williams JM, Goodall J (2005) Influence of ecological and social factors on body mass of wild chimpanzees. Int J Primatol 26(1): 3-31.
153. Rakoczy H, Warneken F, Tomasello M (2008) The sources of normativity: young children's awareness of the normative structure of games. Dev Psychol 44(3): 878-881.
154. Reynolds V (2005) The chimpanzees of the Budongo forest: ecology, behaviour, and conservation. Oxford University Press, New York.
155. Richerson PJ, Boyd R (2005) Not by genes alone: how culture transformed human evolution. Chicago University Press, Chicago.
156. Rosati AG, Stevens JR, Hare B, Hauser MD (2007) The evolutionary origins of human patience: temporal preferences in chimpanzees, Bonobos, and human adults. Curr Biol 17: 1663-1668.
157. Rumbaugh DM, Beran MJ, Savage-Rumbaugh ES (2003) Language. In: Maestripieri D (ed) Primate psychology. Harvard University Press, London, pp 395-423.
158. Ruvolo M (1997) Molecular phylogeny of the hominoids: inferences from multiple independent DNA sequence data sets. Mol Biol Evol 14(3): 248-265.
159. Sakamaki T, Itoh N, Nishida T (2001) An attempted within-group infanticide in wild chimpanzees. Primates 42(4): 359-366.
160. Santos L, Hauser MD (2002) A non-human primate's understanding of solidity: dissociations between seeing and acting. Dev Sci 5(2): F1-F7.
161. Savage-Rumbaugh S, Shanker SG, Taylor JT (1998) Apes, language, and the human mind. Oxford University Press, New York.
162. Schino G, Geminiani S, Rosati L, Aureli F (2004) Behavioral and emotional response of japanese macaque (Macaca fuscata) mothers after their offspring receive an aggression. J Comp Psychol 118(3): 340-346.
163. Scott ES (2000) Social norms and the legal regulation of marriage. Va Law Rev 86(8): 1901-1970.
164. Silk J (2000) The function of peaceful post-conflict interactions: an alternative view. In: Aureli F, de Waal FBM (eds) Natural conflict resolution. University of California Press, London.
165. Silk JB, Brosnan SF, Vonk J, Henrich J, Povinelli D, Richardson AS, Lambeth SP, Mascaro J, Schapiro SJ (2005) Chimpanzees are indifferent in the welfare of unrelated group members. Nature 437: 1357-1359.
166. Slocombe KE, Townsend SW, Zuberbühler K (2009) Wild chimpanzees (Pan troglodytes schweinfurthii) distinguish between different scream types: evidence from a playback study. Anim Cogn 12: 441-449.
167. Smetana JG (1981) Preschool children's conceptions of moral and social rules. Child Dev 52: 1333-1336.
168. Smetana JG (2006) Social domain theory: consistencies and variations in children's moral and social judgments. In: Killen M, Smetana JG (eds) Handbook of moral development. Lawrence Erlbaum Associates, Mahwah, pp 119-154.
169. Smetana JG, Braeges JL (1990) The development of toddlers' moral and conventional judgments. Merrill Palmer Q 36: 329-346.
170. Sober E, Wilson DS (1998) Unto others-the evolution and psychology of unselfish behavior. Harvard University Press, Cambridge.
171. Sommer V (2000) The holy wars about infanticide. Which side are you on? and why? In: van Schaik CP, Janson CH (eds) Infanticide by males and its implications. Cambridge University Press, Cambridge, pp 9-26.
172. Takahata Y (1985) Adult male chimpanzee kill and eat a male newborn infant: newly observed intragroup infanticide and cannibalism in Mahale Mountains National Park, Tanzania. Folia Primatol 44: 161-170.
173. Tisak M (1993) Preschool children's judgments of moral and personal events involving physical harm and property damage. Merrill Palmer Q 39: 375-390.
174. Tomasello M (1999) The cultural origins of human cognition. University Press, Cambridge.
175. Tomasello M, Call J (1997) Primate cognition. Oxford University Press, New York.
176. Tomasello M, Carpenter M (2007) Shared intentionality. Dev Sci 10(1): 121-125.
177. Tomasello M, Kruger AC, Ratner HH (1993) Cultural learning. Behav Brain Sci 16: 495-552.
178. Tomasello M, Carpenter M, Call J, Behne T, Moll H (2005) Understanding and sharing intentions: the origins of cultural cognition. Behav Brain Sci 28: 675-735.
179. Townsend SW (2007) Female-led infanticide in wild chimpanzees. Curr Biol 17(10): R355-R356.
180. Troisi A (2002) Displacement activities as a behavioral measure of stress in nonhuman primates and human subjects. Stress 5(1): 47-54.
181. Turiel E (1983) The development of social knowledge: morality & convention. Cambridge University Press, Cambridge.
182. Turiel E (2005) Thought, emotions, and social interactional processes in moral development. In: Killen M, Smetana JG (eds) Handbook of moral development. Lawrence Erlbaum Associates, Mahwah, pp 7-36.
183. van Lawick-Goodall J (1968) The behaviour of free-living chimpanzees in the Gombe Stream area. Anim Behav Monogr 1: 161-311.
184. van Schaik CP (2000) Infanticide by male primates: the sexual selection hypothesis revisited. In: van Schaik CP, Janson CH (eds) Infanticide my males and its implications. Cambridge University Press, Cambridge, pp 27-61.
185. van Schaik CP (2003) Local traditions in orangutans and chimpanzees: social learning and social tolerance. In: Fragaszy DM, Perry S (eds) The biology of traditions: models and evidence. Cambridge University Press, Cambridge, pp 297-329.
186. van Schaik CP, Pradhan GR, van Noordwijk MA (2004) Mating conflict in primates: infanticide, sexual harassment and female sexuality. In: Kappeler P, van Schaik CP (eds) Sexual selection in primates: new and comparative perspectives. Cambridge University Press, Cambridge, pp 131-150.
187. Vetlesen AJ (1994) Perception, empathy, and judgment: an inquiry into the preconditions of moral performance. The Pennsylvania State University Press, University Park.
188. Vonk J, Brosnan SF, Silk JB, Henrich J, Richardson AS, Lambeth SP, Schapiro SJ, Povinelli DJ (2008) Chimpanzees do not take advantage of very low cost opportunities to deliver food to unrelated group members. Anim Behav 75: 1757-1770.
189. Wang SH, Baillargeon R, Brueckner L (2004) Young infants' reasoning about hidden objects: evidence from violation-of-expectation tasks with test trials only. Cognition 93(3): 167-198.
190. Warneken F, Tomasello M (2006) Altruistic helping in human infants and young chimpanzees. Science 311(5765): 1301-1303.
191. Warneken F, Hare B, Melis AP, Hanus D, Tomasello M (2007) Spontaneous altruism by chimpanzees and young children. PLoS Biol 5(7): e184.
192. Whiten A (1998) Imitation of the sequential structure of actions by chimpanzees (Pan troglodytes). J Comp Psychol 112(3): 270-281.
193. Whiten A (2005) The second inheritance system of chimpanzees and humans. Nature 437: 52-55.
194. Whiten A (2010) Ape behavior and the origins of human culture. In: Kappeler PM, Silk JB (eds) Mind the gap: tracing the origins of human universals. Springer, Berlin, pp 429-451.
195. Whiten A, Custance DM, Gomez JC, Teixidor P, Bard KA (1996) Imitative learning of artificial fruit processing in children (Homo sapiens) and chimpanzees (Pan troglodytes). J Comp Psychol 110(1): 3-14.
196. Whiten A, Goodall J, McGrew WC, Nishida T, Reynolds V, Sugiyama Y, Tutin CE, Wrangham RW, Boesch C (1999) Cultures in chimpanzees. Nature 399: 682-685.
197. Whiten A, Horner V, de Waal FBM (2005) Conformity to cultural norms of tool use in chimpanzees. Nature 437: 737-740.
198. Wiessner P (2009) Experimental games of life among the Ju/'hoan Bushmen. Curr Anthropol 50(1): 133-138.
199. Williams J, Liu AY, Pusey AE (2002) Costs and benefits of grouping for female chimpanzees at Gombe. In: Boesch C, Hohmann G, Marchant LF (eds) Behavioural diversity in chimpanzees and Bonobos. Cambridge University Press, Cambridge, pp 192-203.
200. Wittling W (1995) Brain asymmetry in the control of autonomic physiologic activity. In: Davidson RJ, Hugdahl K (eds) Brain asymmetry. MIT Press, Cambridge, pp 305-357.
201. Woodward AL (1998) Infants selectively encode the goal object of an actor's reach. Cognition 69: 1-34.
202. Wrangham RW (1999) Evolution of coalitionary killing. Am J Phys Anthropol 110(S29): 1-30.
203. Wrangham RW, de Waal FBM, McGrew WC (1994) The challenge of behavioural diversity. In: Wrangham RW, McGrew WC, de Waal FBM, Heltne PG (eds) Chimpanzee cultures. Chicago Academy of Sciences, Chicago, pp 1-21.
204. Yamamoto S, Tanaka M (2010) The influence of kin relationship and reciprocal context on chimpanzees' other-regarding preferences. Anim Behav 79: 595-602.
205. Yamamoto S, Humle T, Tanaka M (2009) Chimpanzees help each other upon request. PloS One 4(10): e7416.
206. Young HP (2002) The power of norms. In: Hammerstein P (ed) Genetic and cultural evolution of cooperation. The MIT Press, Cambridge, pp 389-399.
207. Young HP (2008) Social norms. The new Palgrave dictionary of economics. Macmillan, London.
208. Zahn-Waxler C, Radke-Yarrow M, Wagner E, Chapman M (1992) Development of concerns for others. Dev Psychol 28: 126-136.