1Batson, C. D. The altruism question: Towards a social social-psychological an- swer [M]. Hillsdale, NJ: Erlbaum, 1991.
2Eisenberg, N., Fabes, R. A., Murphy, B., Karbon, M., Maszk, P., Smith, MSuh, K. The relations of emotionality and regulation to dispositional and situational empathy-related responding [J]. Journal of Personality and Social Psychology, 1994 (66).
3Darwin, C. The descent of man, and selection in relation to sex[M].Loudon, Enzland: Penguin Books, 2004.
4Konner, M. The tangled wing: Biological constraints on the human spirit[M]. New York, NY: Holt, 2003.
5Buss, D. M., Abbott, M., Angleitner, A., Biaggio, A., Blanco-Villasenor, A., Bruchon-Schweitzer, M.,...Yang, K. S. International preferences in selecting mates: A study of 37 societies[J]. Journal of Cross-Cuhural Psychology, 1990(21).
6Trivers, R. L. The evolution of reciprocal ahruism[J]. Quarterly Review of Biol- ogy, 1971(46).
