—. 1998. Comments on C. B. Stanford.
Killen, M., and E. Turiel. 1991. Conflict resolution in preschool social interactions.
Kinsey, A. C., W. R. Pomeroy, and C. E. Martin. 1948.
Kirkpatrick, M. 1987. Clinical implications of lesbian mother studies.
Klofstad, C. A., R. C. Anderson, and S. Peters. 2012. Sounds like a winner: Voice pitch influences perception of leadership capacity in both men and women.
Knott, C. D., and S. Kahlenberg. 2007. Orangutans in perspective: Forced copulations and female mating resistance. In
Köhler, W. 1925.
Konner, M. J. 1976. Maternal care, infant behavior, and development among the! Kung. In
Konner, M. J. 2015.
Koski, S. E., K. Koops, and E. H. M. Sterck. 2007. Reconciliation, relationship quality, and postconflict anxiety: Testing the integrated hypothesis in captive chimpanzees. American Journal of Primatology 69:158–72.
Kret, M. E., and M. Tomonaga. 2016. Getting to the bottom of face processing: Species-specific inversion effects for faces and behinds in humans and chimpanzees (Pan troglodytes).
Krupenye, C., et al. 2016. Great apes anticipate that other individuals will act according to false beliefs.
Kummer, H. 1971.
—. 1995.
Lafreniere, P. 2011. Evolutionary functions of social play: Life histories, sex differences, and emotion regulation.
Lagerspetz, K. M., et al. 1988. Is indirect aggression typical of females?
Lamb, M. E., and D. Oppenheim. 1989. Fatherhood and father-child relationships: Five years of research. In
Lancaster, J. B. 1971. Play-mothering: The relations between juvenile females and young infants among free-ranging vervet monkeys (Cercopithecus aethiops).
Långström, N., et al. 2010. Genetic and environmental effects on same-sex sexual behavior: A population study of twins in Sweden.
Lappan, S. 2008. Male care of infants in a siamang population including socially monogamous and polyandrous groups.