Under Review

Moya, C., Borgerhoff Mulder, M., Colleran, H., Gerkey, D., Gibson, MA., Gurven, M., Henrich, J., Hooper, PL., Kaplan, H., Kline, MA., Koster, J., Kramer, K., Leonetti, D., Mattison, SM., Nath, D., Sanders, C., Scelza, BA., Shenk, M., Snopkowski, K., Stieglitz, J., Towner, MC., von Rueden, C., Ziker, J. & Sear, R. Intergenerational conflict may explain why parents delay the onset of their children’s reproduction: A cross-cultural analysis.

Raybould, A. & Sear, R. Children of the (gender) revolution: a theoretical and empirical synthesis

2019

Hassan, A, Schaffnit, S.B., Sear, R., Urassa, M.,  Lawson, D.W. (2019) Fathers favour sons, mothers don’t discriminate: sex-biased parental care in north-west TanzaniaEvolutionary Human Sciences 1 e13 https://doi.org/10.1017/ehs.2019.14

Brown, L.J. & Sear, R. (2019) Are mothers more likely to breastfeed in harsh environments? Physical environmental quality and breastfeeding in the Born in Bradford StudyMaternal and Child Nutrition https://doi.org/10.1111/mcn.12851

Hedges, S., Lawson, D.W., Todd, J., Urassa, M., Sear, R. (2019) Sharing the load: the influence of co-resident children on the intra-household allocation of work and schooling in north-western Tanzania. Demography https://doi.org/10.1007/s13524-019-00818-x

Borgerhoff Mulder, M.; Towner, M.; Baldini, R.; Beheim, B.; Bowles, S.; Colleran, H.; Gurven, M.; Kramer, K.; Mattison, S.; Nolin, D.; Scelza, B.; Sear, R.; Shenk, M.; Voland, E.; Ziker, J. (2019) Differences between sons and daughters in the intergenerational transmission of wealth. Philosophical Transactions of the Royal Society, Series B 37420180076.
http://dx.doi.org/10.1098/rstb.2018.0076

Hedges, S., Sear, R., Todd, J., Urassa, M., Lawson, D.W. (2019) Earning their keep? Fostering, children’s education and work in north-western Tanzania. Demographic Research 41(10): 263-292 https://www.demographic-research.org/Volumes/Vol41/10/

Wells, J.C.K., Cole, T., Cortina-Borja, M., Sear, R., Leon, D.A., Marphatia, A.A., Murray, J., Wehrmeister, F.C., Oliveira, P.D., Gonçalves, H., Oliveira, I.O., Menezes, A.M.B. (2019) Low maternal capital predicts life history trade-offs in daughters: why adverse outcomes cluster in individuals. Frontiers in Public Health 7:206 https://doi.org/10.3389/fpubh.2019.00206

Stulp, G. & Sear, R. (2019) How might life history theory contribute to life course theory? Advances in Life Course Research https://doi.org/10.1016/j.alcr.2019.04.011

Sear, R., Sheppard, P., & Coall, D. (2019) Cross-cultural evidence does not support universal acceleration of puberty in father-absent householdsPhilosophical Transactions of the Royal Society of London, Series B, Biological Sciences 374: 20180124 doi.org/10.1098/rstb.2018.0124

Hruschka, D., Sear, R. & Hackman, J. (2019) Worldwide fertility declines do not rely on stopping at ideal family sizes. Population Studies 73(1): 1-17 doi.org/10.1080/00324728.2018.1513164

2018

Hedges, S., Sear, R., Todd, J., Urassa, M. & Lawson, D.W. (2018) Trade-offs in children’s time allocation: mixed support for embodied capital models of the demographic transition in Tanzania. Current Anthropology 59(5): 644-654 doi.org/10.1086/699880  pdf  ESM

Coall, D., Hilbrand, S., Sear, R. & Hertwig, R. (2018) Interdisciplinary perspectives on grandparental investment: a journey towards causality. Contemporary Social Science 13(2): 159-174 doi.org/10.1080/21582041.2018.1433317

2017

Sear, R. (2017) Family and fertility: does kin help influence women’s fertility and how does this vary worldwide? Population Horizons 14(1): 18-34 doi.org/10.1515/pophzn-2017-0006

Brown, L.J. & Sear, R. (2017) Local environmental quality positively predicts breastfeeding in the UK’s Millennium Cohort Study. Evolution, Medicine & Public Health 2017(1): 120-135 doi.org/10.1093/emph/eox011

Schaffnit, S.B. & Sear, R. (2017) Supportive families versus support from families: the decision to have a child in the Netherlands. Demographic Research 37(14): 414-454 doi.org/10.4054/DemRes.2017.37.14

Schaffnit, S.B. & Sear, R. (2017) Support for new mothers and fertility in the United Kingdom: not all support is equal in the decision to have a second child. Population Studies 71(3): 345-361 doi.org/10.1080/00324728.2017.1349924  pdf

Wells, J.C.K., Nesse, R., Sear, R., Johnstone, R., Stearns, S. (2017) Evolutionary public health: introducing the concept. Lancet 390(10093): 500-509 doi.org/10.1016/S0140-6736(17)30572-X  pdf

Lawson, D.W., Núñez-de la Mora, A, Cooper, G.D., Prentice, A, Moore, S.E. & Sear, R. (2017) Marital status and sleeping arrangements predict salivary testosterone in rural Gambian men. Adaptive Human Behavior & Physiology 3(3): 221-240 doi.org/10.1007/s40750-017-0066-z

Sear, R. & Schaffnit, S.B. (2017) It’s not just about the future: the present pay-offs to behaviour vary in degree and kind between the rich and the poor. Behavioural & Brain Sciences 40 doi.org/10.1017/S0140525X1700111X  pdf

2016

Mattison, S., & Sear, R. (2016) Modernising evolutionary anthropology. Human Nature 27(4): 335-350. doi:10.1007/s12110-016-9270-y

Stulp, G., Sear, R. & Barrett, L. (2016) The reproductive ecology of industrial societies, part I: why measuring fertility matters. Human Nature 27(4): 422-444 doi:10.1007/s12110-016-9269-4

Stulp, G., Sear, R., Mills, M., Schaffnit, S.B. & Barrett, L. (2016) The reproductive ecology of industrial societies, part II: on the association between wealth and fertility. Human Nature 27(4): 455-470 doi:10.1007/s12110-016-9272-9

Virgo, S. & Sear, R. (2016) Area-level mortality and morbidity predict ‘abortion proportion’ in England and Wales. Evolution & Human Behaviour 37(5): 366-375  doi.org/10.1016/j.evolhumbehav.2016.03.001

Sheppard, P., Pearce, M. & Sear, R. (2016) How does childhood socioeconomic hardship affect reproductive strategy? Pathways of development. American Journal of Human Biology 28(3): 356-363 doi.org/10.1002/ajhb.22793

Sheppard, P. & Sear, R. (2016) Do grandparents compete with or support their grandchildren? In Guatemala, paternal grandmothers may compete, and maternal grandmothers may cooperate. Royal Society Open Science 3: 160069 doi.org/10.1098/rsos.160069

Sear, R., Lawson, D.W., Kaplan, H. & Shenk, M.K. (2016) Understanding variation in human fertility: what can we learn from evolutionary demography? Philosophical Transactions of the Royal Society of London, B 371: 20150144 doi.org/10.1098/rstb.2015.0144

Moya, C., Snopkowski, K. & Sear, R. (2016) What do men want? Re-examining whether men really can benefit from higher fertility than is optimal for women. Philosophical Transactions of the Royal Society of London, B 371: 20150149 doi.org/10.1098/rstb.2015.0149

Snopkowski, K. & Sear, R. (2016) Does grandparental help mediate the relationship between kin presence and fertility? Demographic Research. 34(17): 467-498 doi.org/10.4054/DemRes.2016.34.17

Sear, R. (2016) Beyond the nuclear family: an evolutionary perspective on parenting. Current Opinion in Psychology. 7: 98-103 doi.org/10.1016/j.copsyc.2015.08.013  pdf

Pepper, G., McAllister, L. & Sear, R. (2016) Why demography needs psychologists. The Psychologist. 29 https://thepsychologist.bps.org.uk/volume-29/january-2016/why-demography-needs-psychologists

Coall, D.A., Hilbrand, S., Sear, R. & Hertwig, R. (2016) The theory of grandfather involvement: Interdisciplinary perspectives. In: Grandfathers: International Perspectives. Editors Ann Buchanan and Anna Rotkirch. Palgrave Macmillan. Pp 21-44 doi.org/10.1057/978-1-137-56338-5_2

2015

Sheppard, P., Garcia, J.R. & Sear, R. (2015) Childhood family disruption and adult height: is there a mediating role of puberty? Evolution Medicine and Public Health. 1: 332-342 doi.org/10.1093/emph/eov028

Sear, R. (2015) Evolutionary contributions to the study of human fertility. Population Studies 69: sup1, S39-S55 doi.org/10.1080/00324728.2014.982905  pdf

Snopkowski, K. & Sear, R. (2015) Grandparental help in Indonesia is directed preferentially towards needier descendants: a potential confounder when exploring grandparental influences on child health? Social Science & Medicine 128: 105-114 doi.org/10.1016/j.socscimed.2015.01.012  pdf  ESM

Sear, R. (2015) Evolutionary demography: a Darwinian renaissance in demography. In: International Encyclopedia of the Social & Behavioral Sciences, 2nd edition. Editor-in-chief: James D. Wright. Oxford: Elsevier. Vol 8 Pp. 406–412. pdf

Sear, R. (2015) Sociobiology. In The International Encylcopedia of Human Sexuality. Edited by Patricia Whelehan and Anne Bolin. Malden, Oxford: John Wiley and Sons, Ltd. Pp 1333-1334.  pdf

Sear, R. (2015) Book review of ‘How We Do It: the Evolution and Future of Human Reproduction’ for Population Studies doi.org/10.1080/00324728.2014.969574  pdf

2014

Moya, C. & Sear, R. (2014) Intergenerational conflicts may help explain parental absence effects on reproductive timing: a model of age at first birth in humans. PeerJ 2:e512 doi.org/10.7717/peerj.512

Snopkowski, K., Moya, C. & Sear, R. (2014) A test of the intergenerational conflict model in Indonesia shows no evidence of earlier menopause in female-dispersing groups Proceedings of the Royal Society, Series B 281(1788): 20140580 doi.org/10.1098/rspb.2014.0580

Sheppard, P.J., Snopkowski, K. & Sear, R. (2014) Father absence and reproduction-related outcomes in Malaysia, a transitional fertility population. Human Nature 25(2): 213-234 doi.org/10.1007/s12110-014-9195-2

Schaffnit, S.B. & Sear, R. (2014) Wealth modifies the effects of kin on women’s fertility in high-income countries. Behavioural Ecology 25(4): 834-842 doi.org/10.1093/beheco/aru059

Felisberti, F.M., & Sear, R. (2014) Postdoctoral researchers in the UK: a snapshot of factors affecting their research output. PLoS ONE 9(4): e93890 doi.org/10.1371/journal.pone.0093890

Sheppard, P.J., Schaffnit, S.B. Garcia, J.R. & Sear, R. (2014) Fostering relations: First sex and marital timings for children raised by kin and non-kin carers. Evolution and Human Behaviour 35(3): 161-168 doi.org/10.1016/j.evolhumbehav.2013.12.002

Sheppard, P., Garcia, J. & Sear, R. (2014) A not-so-grim tale: how childhood family structure influences reproductive and risk-taking outcomes in a historical U.S. population. PLoS ONE 9(3): e89539 doi.org/10.1371/journal.pone.0089539

2013

Nettle, D., Gibson, M.A., Lawson, D. & Sear, R. (2013) Human behavioural ecology: current research and future prospects. Behavioural Ecology 24(5): 1031-1040 doi.org/10.1093/beheco/ars222

Mathews, P. & Sear, R. (2013) Family and fertility: kin influence on the progression to a second birth in the British Household Panel Study.  PLoS ONE 8(3): e56941 doi.org/10.1371/journal.pone.0056941

Mathews, P. & Sear, R. (2013) Does the kin orientation of a British female’s social network influence her entry into motherhood? Demographic Research 28(11): 313-340 doi.org/10.4054/DemRes.2013.28.11

Snopkowski, K. & Sear, R. (2013) Kin influences on fertility in Thailand: effects and mechanisms. Evolution and Human Behavior 34(2): 130-138 doi.org/10.1016/j.evolhumbehav.2012.11.004  pdf  ESM

Nettle, D., Gibson, M.A., Lawson, D. & Sear, R. (2013) Response to commentaries: how much you need to engage with mechanism depends on what you are trying to do. Behavioural Ecology 24(5): 1046-1047 doi.org/10.1093/beheco/art020

2012

Sheppard, P.J. & Sear, R. (2012) Father absence predicts age at sexual maturity and reproductive timing in British men. Biology Letters 8(2): 237-240 doi.org/10.1098/rsbl.2011.0747

Sear, R. (2012) Comment on ‘The Peacock’s Tale: Lessons from Evolution for Effective Signaling in  International Politics’ by Blumstein et al for Cliodynamics: the Journal of Theoretical and Mathematical History and the online Social Evolution Forum: http://socialevolutionforum.com/

2011

Sear, R. & Coall, D. (2011) How much does family matter? The implications of a cooperative breeding strategy for the demographic transition. Population and Development Review 37 (s1): 81-112 doi.org/10.1111/j.1728-4457.2011.00379.x

Brown, G., Dickins T., Sear, R. & Laland, K. (2011) Evolutionary accounts of human behavioural diversity. Philosophical Transactions of the Royal Society of London 366: 313-324 doi.org/10.1098/rstb.2010.0267

Sear, R. (2011) Parenting and families. In Evolutionary Psychology: A Critical Reader. Edited by V. Swami. Wiley-Blackwell. Pp 215-250  pdf

2010

Gibson, M. & Sear, R. (2010) Does wealth increase sibling competition for education? Evidence from two African populations on the cusp of the fertility transition. Current Anthropology 51(5): 693-701 doi.org/10.1086/655954  pdf

Fox, M., Sear, R., Beise, J., Voland, E., Ragsdale, G. & Knapp, L.A. (2010) Grandma plays favourites: X-chromosome relatedness and sex-specific childhood mortality. Proceedings of the Royal Society, Series B, Biological Sciences 277(1681): 567-573 doi.org/10.1098/rspb.2009.1660

Gurven, M., Borgerhoff Mulder, M., Bowles, S., Hooper, P.L., Kaplan, K., Quinlan, R., Sear, R., Schniter, E., von Rueden, C. Bell, A.& Hertz, T. (2010) Domestication alone does not lead to inequality: intergenerational wealth transmission among horticulturalists. Current Anthropology 51(1): 49-64 doi.org/10.1086/648587  pdf

Sear, R. & Dickins, T.E. (2010) The generation game is the cooperation game: the role of grandparents in the timing of reproduction. Commentary in Behavioural and Brain Sciences 33(1): 34-35 doi.org/10.1017/S0140525X09991725  pdf

Sear, R. (2010) We are family. Review of ‘Mothers and Others’ by Sarah Hrdy for Journal of Evolutionary Psychology 7(4): 355-357 doi.org/10.1556/JEP.7.2009.4.9

Sear, R. (2010) Height and reproductive success: is bigger always better? In Homo Novus: A Human Without Illusions. Edited by Ulrich Frey, Charlotte Stoermer & Kai Willfuehr. Springer. Pp127-143  pdf

2009

Borgerhoff Mulder, M., Bowles, S., Hertz, T., Bell, A., Beise, J., Clark, G., Fazzio, I., Gurven, M., Hill, K., Hooper, P.L., Irons, W., Kaplan, H., Leonetti, D., Low, B., Marlowe, F., Naidu, S., Nolin, D., Piraino, P., Quinlan, R., Sear, R., Shenk, M., Alden Smith, E. & Wiessner, P. (2009) Intergenerational wealth transmission and the dynamics of inequality in small-scale societies. Science 326(5953): 682-688 doi.org/10.1126/science.1178336  pdf

Sear, R. & Marlowe, F. (2009) How universal are human mate choices? Size doesn’t matter when Hadza foragers are choosing a mate. Biology Letters 5: 606-609 doi.org/10.1098/rsbl.2009.0342

Sear, R., Allal, N. & Mace, R. (2009) Family matters: kin, demography and child health in a rural Gambian community. In Substitute Parents: Alloparenting in Human Societies. Edited by G.R. Bentley & R. Mace. Berghahn Books. Pp 50-76.  pdf

2008

Sear, R. (2008) Kin and child survival in Malawi: are matrilineal kin always beneficial in a matrilineal society? Human Nature 19(3): 277-293 doi.org/10.1007/s12110-008-9042-4

Mathews, P. & Sear, R. (2008) Life after death: an investigation into how mortality perceptions influence fertility preferences using evidence from an internet-based experiment. Journal of Evolutionary Psychology  6(3): 155-172 doi.org/10.1556/JEP.6.2008.3.1

Sear, R. & Mace, R. (2008) Who keeps children alive? A review of the effects of kin on child survival. Evolution & Human Behavior 29(1): 1-18 doi.org/10.1016/j.evolhumbehav.2007.10.001

2007

Shanley, D.P., Sear, R., Mace, R. & Kirkwood, T.B.L. (2007) Testing evolutionary theories of menopause. Proceedings of the Royal Society of London Series B, Biological Sciences 274(1628): 2943-2949 doi.org/10.1098/rspb.2007.1028

Sear, R., Lawson, D. & Dickins, T. (2007) Synthesis in the human evolutionary behavioural sciences. Journal of Evolutionary Psychology 5(1): 3-28 doi.org/10.1556/JEP.2007.1019

Sear, R. (2007) The impact of reproduction on Gambian women: does controlling for phenotypic quality reveal costs of reproduction? American Journal of Physical Anthropology 132(4): 632-641 doi.org/10.1002/ajpa.20558  pdf

Dickins, T.E., Sear, R. & Wells, A.J. (2007) Mind the gap(s)….in theory, method and data: a response to Kanazawa (2006) British Journal of Health Psychology 12: 167-178 doi.org/10.1348/135910707X174339  pdf

2006

Sear, R. (2006) Size dependent reproductive success among Gambian men: does height or weight matter more? Social Biology 53(3-4): 172-188 doi.org/10.1080/19485565.2006.9989125  pdf

Sear, R. (2006) Height and reproductive success: how a Gambian population compares to the West. Human Nature 17(4): 405-418 doi.org/10.1007/s12110-006-1003-1

Mace, R., Allal, N., Sear, R. & Prentice, A. (2006) The uptake of modern contraception in a Gambian community: the diffusion of an innovation over 25 years. In: Social Information Transmission and Human Biology. Edited by J.C.K  Wells, S.S. Strickland and K. Laland. CRC Press. pp 191-205  pdf

2005

Sear, R. (2005) Review of ‘Biology at Work: rethinking sexual inequality’ by Kingsley R Browne for Sexualities, Evolution and Gender 7(2): 189-193, 20 doi.org/10.1080/14616660500173511  pdf

Mace, R. & Sear, R. (2005) Are humans cooperative breeders? In: Grandmotherhood – the Evolutionary Significance of the Second Half of Female Life. Edited by E. Voland, A. Chasiotis & W. Schiefenhoevel. Rutgers University Press, Piscataway. pp 143-159  pdf

2004

Sear, R., Allal, N. & Mace, R. (2004) Height, marriage and reproductive success in Gambian women. Research in Economic Anthropology 23: 203-224 https://www.emeraldinsight.com/doi/abs/10.1016/S0190-1281(04)23008-6  pdf

Allal, N., Sear, R., Prentice, A.M. & Mace, R. (2004) An evolutionary model of stature, age at first birth and reproductive success in Gambian women. Proceedings of the Royal Society of London Series B, Biological Sciences 271(1538): 465-470 doi.org/10.1098/rspb.2003.2623

2003

Sear, R., Mace, R. & McGregor, I.A. (2003) The effects of kin on female fertility in rural Gambia. Evolution & Human Behavior 24(1): 25-42 doi.org/10.1016/S1090-5138(02)00105-8

Holden, C.J., Sear, R. & Mace, R. (2003) Matriliny as daughter-biased investment. Evolution & Human Behavior 24(2): 99-112 doi.org/10.1016/S1090-5138(02)00122-8   pdf

Sear, R., Mace, R. & McGregor, I.A. (2003) A life-history analysis of fertility rates in rural Gambia: evidence for trade-offs or phenotypic correlations? In: The Biodemography of Human Reproduction and Fertility. Edited by J. Rodgers & H-P. Kohler. Kluwer Press, Boston. pp 135-160 doi.org/10.1007/978-1-4615-1137-3_7  pdf

2002

Sear, R., Steele, F., McGregor, I.A. & Mace, R. (2002) The effects of kin on child mortality in rural Gambia. Demography 39(1): 43-63 doi.org/10.1353/dem.2002.0010

2001

Sear, R., Mace, R., Shanley, D & McGregor, I.A. (2001) The fitness of twin mothers: evidence from rural Gambia. Journal of Evolutionary Biology 14(3): 433-443 doi.org/10.1046/j.1420-9101.2001.00287.x

2000

Sear, R., Mace, R. & McGregor, I.A. (2000) Maternal grandmothers improve the nutritional status and survival of children in rural Gambia. Proceedings of the Royal Society of London, Series B 267(1453): 1641-1647 doi.org/10.1098/rspb.2000.1190

1997

Mace, R. & Sear, R. (1997) Birth interval and the sex of children in a traditional African population: an evolutionary analysis. Journal of Biosocial Science 29(4): 499-507 https://www.cambridge.org/core/journals/journal-of-biosocial-science/article/birth-interval-and-the-sex-of-children-in-a-traditional-african-population-an-evolutionary-analysis/623A3CFBE2E7F236AC012722E6C749B4#fndtn-information  pdf

Mace, R. & Sear, R. (1997) Reproductive decisions by pastoralists in the face of demographic risk. Nomadic Peoples (NS) 1(1): 151-163  pdf

1996

Mace, R. & Sear, R. (1996) Maternal mortality in a Kenyan pastoralist population. International Journal of Gynecology and Obstetrics 54(2): 137-141 doi.org/10.1016/0020-7292(96)02691-4  pdf