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Professional & Public Publications


Hlay J., Albert G., Batres C., Waldron K., Richardson G., Placek C., Arnocky S.,  Senveli Z., Lieberman D., Hodges-Simeon, C. Disgust sensitivity predicts sociosexuality across cultures. Evolution and Human Behavior.


Placek, C., & Lightner, A. (2022). Moralizing gods, local gods, and complexity in Hindu god concepts: Evidence from South India. Religion, Brain & Behavior, 12(1-2), 97–115.

Vardy, T., Moya, C., Placek, C. D., Apicella, C. L., Bolyanatz, A., Cohen, E., Handley, C., Kundtová Klocová, E., Lesorogol, C., Mathew, S., McNamara, S. A., Purzycki, B. G., Soler, M., Weigel, J. L., Willard, A. K., Xygalatas, D., Norenzayan, A., Henrich, J., Lang, M., & Atkinson, Q. D. (2022). The religiosity gender gap in 14 diverse societies. Religion, Brain & Behavior, 12(1-2), 18–37.


Purzycki, B. G., Willard, A. K., Klocová, E. K., Apicella, C., Atkinson, Q., Bolyanatz, A., Cohen, E., Handley, C., Henrich, J., Lang, M., Lesorogol, C.,    
Mathew,   S., McNamara, R. A., Moya, C., Norenzayan, A., Placek, C., Soler,  M., Vardy, T., Weigel, J., … Ross, C. T. (2022). The moralization bias of gods’ minds: A cross- cultural test. Religion, Brain & Behavior, 12(1-2), 38–60.


 Baimel, A., Apicella, C., Atkinson, Q., Bolyanatz, A., Cohen, E., Handley, C., Henrich, J., Kundtová Klocová, E., Lang, M., Lesogorol, C., Mathew, S.,  McNamara, R., Moya, C., Norenzayan, A., Placek, C. D., Soler, M., Vardy, T., Weigel, J., Willard, A., … Purzycki, B. (2022). Material insecurity predicts greater commitment to moralistic and less commitment to local deities: A cross-cultural investigation. Religion, Brain & Behavior, 12(1-2), 4–17. 


 Hlay J. K., Albert G., Batres C., Richardson G., Placek C., Arnocky S., Lieberman D., Hodges-Simeon, C. R. The evolution of disgust for pathogen detection and avoidance. Scientific Reports.


Placek C. D., Place J., Wies J. Reflections and challenges of pregnant and postpartum participant recruitment in the context of the opioid epidemic.  Maternal and Child Health Journal, 1-5.


Placek C. D., Jaykrishna P., Srinivas V., Madhivanan P. M. Pregnancy fasting in Ramadan: Towards a Biocultural Framework. Ecology of Food and Nutrition, 1-25.


Urassa M., Lawson D., Wamoyi J., Gurmu E., Gibson M., Madhivanan P., Placek C. Cross-cultural research must prioritize equitable collaboration. Nature Human Behavior, 5(6), 668-671


Placek C. D., Magnan R. E., Srinivas V., Jaykrishna P., Ravi K., Khan A., Madhivanan P., Hagen E. H. The impact of information about tobacco-related reproductive vs. general health risks on South Indian women’s tobacco use decisions. Evolutionary Human Sciences, 1-52. doi:10.1017/ehs.2020.61



Richardson G., Placek C. D., Srinivas V., Jayakrishna P., Quinlan R., Madhivanan P. Environmental Stress and Life History Strategy Development in Rural and Peri Urban South India. Evolution and Human Behavior.


Coudray M., Degarege A., Khan A., Ravi K., Srinivas V., Klausner J., Madhivanan P. Placek C. D*. Partner age difference and sociodemographic correlates of Herpes Simplex Virus Type 2 (HSV-2) seropositivity:  a community based study in South India, Indian Journal of Sexually Transmitted Diseases.




Peguero H., Stephens D., Placek C. D., Madhivanan P. “Even an HIV infected person can live 100 years": Perceptions of HIV among Hijras in Mysore, India, Journal of Global Health.


Placek C. D., Srinivas, V., Jayakrishna, P., Madhivanan, P. Mixed-methods, rapport-building, and repeated measures in substance use research: Implications for informant accuracy, Field Methods, 31(4).


 Placek C. D., Roulette C., Hudanick, N., Ravi K, Khan A, Srinivas V, Jayakrishna P, Madhivanan P. Exploring biocultural models of chewing tobacco and paan among reproductive-aged women: Self-medication, protection, or gender equality? American Journal of Human Biology, e23281.


Lang M., Purzycki B., Apicella C., Atkinson Q., Bolyanatz A., Cohen E., Kundtová Klocová E., Handley C., Lesorogol C., Mathew S., McNamara R., Moya C., Placek C., Soler M., Vardy T., Weigel J., Willard A., Xygalatas D., Norenzayan A., & Henrich J. Powerful Gods and Large-Scale Cooperation: A Study of Impersonal Prosociality across 15 Societies, Proceedings of the Royal Society: Biological Sciences, 286(1898), 20190202.


Placek C. D., Nishimura, H., Hudanick, N., Stephens, D., Madhivanan, P.    Reframing HIV stigma & fear: Considerations from social-ecological and evolutionary theories of reproduction, Human Nature, 30(1), 1-22.



Bhaumik S, Placek C. D., Kochumoni R, Lekha TR, Dorairaj Prabhakaran, Brian Hitsma, Mark D Huffman, S Harikrishnan , Shifalika Goenka. Tobacco Cessation Among Acute Coronary Syndrome Patients in Kerala, India: A Qualitative Analysis of Patient and Provider Perspectives, Qualitative Health Research, 29(8), 1145-1160.


Krupp, K., Placek C. D., Wilcox, M., Ravi, K., Srinivas, V., Arun, A., & Madhivanan, P. Financial decision making power is associated with moderate to severe anemia: A prospective cohort study among pregnant women in rural South India. Midwifery, 61, 15-21.



Placek C. D., Madhivanan, P., & Hagen, E. H. Innate food aversions and culturally transmitted food taboos in pregnant women in rural southwest India: Separate systems to protect the fetus? Evolution and Human Behavior, 38(6), 714-728.


Placek C. D. A test of four evolutionary hypotheses of pregnancy food cravings: Evidence for the social bargaining model. Royal Society Open Science, 4(10), 170243.


Placek C. D. Ethnomedical and Sociocultural Factors of Pica Substances in Rural South India. Ecology of Food and Nutrition, 1-18.


McGuire, M. K., Meehan, McGuire, M., Williams, J., Foster, J., Sellen, D., Kamau-Mbuthia, E., Kamundia, E., Moore, S., Kvist, L., Otoo, G., Brooker, S., Price, W., Placek C., Lackey, K., Robertson, B., Manzano, S., Rodriguez Gomez, J., Pareja. R., & Lars Bode, L. What’s normal? Oligosaccharide concentrations in milk produced by healthy women vary geographically and are related to secretor status, maternal body weight, and time postpartum. The American Journal for Clinical Nutrition 105(5), 1086-1100.


 Kojima, N., Krupp, K., Ravi, K., Jaykrishna, P., Leonardson-Placek C., Siddhaiah, A., Bristow, C., Arun, A., Klausner, J., Madhivanan, P. Implementing and Sustaining a Free Mobile Medical Clinic for Prenatal Care and STI Prevention in Pregnant Women in Mysore, India. BMC Infectious Diseases, 17(1), 189.


Placek C. D., & P. Madhivanan. Exploring the perceptions of pregnancy loss between two populations of South Indian women. Public Health 148, 9-12.



Placek C. D. & Hagen, E.H. Fetal protection: The roles of social learning and innate food aversions in South India. Human Nature, 26(3), 255-276.


Council, S. K., & Placek C. D. Cultural change and explicit anti-fat attitudes in a developing nation: A case study in rural Dominica. Social Medicine, 9(1), 11-21.



Placek C. D. & Hagen, E.H. A test of three hypotheses of pica and amylophagy among pregnant women in Tamil Nadu, India. American Journal of Human Biology, 25:803-813.



Placek C. D. & Quinlan, R.J. Adolescent fertility and risky environments: A population-level perspective across the lifespan. Proceedings of the Royal Society B: Biological Sciences, 279:4003-4008.

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