PUBLICATIONS

Journal articles

Zachar, I., Máté, J., & Számadó, S. (2024). Tautology explains evolution without variation and selection. A Comment on:‘An evolutionary process without variation and selection’(2021), by Gabora et al. Journal of the Royal Society Interface, 21(218), 20230579.

https://doi.org/10.1098/rsif.2023.0579

Czárán, T., Scheuring, I., Zachar, I., & Számadó, S. (2024). Cue-driven microbial cooperation and communication: evolving quorum sensing with honest signaling.
BMC biology, 22(1), 73.

https://doi.org/10.1186/s12915-024-01857-6

Számadó, S., Zachar, I., Czégel, D., & Penn, D. J. (2023). Honesty in signalling games is maintained by trade-offs rather than costs.
BMC Biology, 21(1), 1-16.

https://doi.org/10.1186/s12915-022-01496-9

Számadó, S., Samu, F., & Takács, K. (2022). Condition-dependent trade-offs maintain honest signalling.
Royal Society Open Science, 9(10), 220335.

https://doi.org/10.1098/rsos.220335

Giardini, F., Balliet, D., Power, E. A., Számadó, S., & Takács, K. (2021). Four Puzzles of Reputation-Based Cooperation.
Human Nature, 1-19.

https://doi.org/10.1007/s12110-021-09419-3

Számadó, S., Balliet, D., Giardini, F., Power, E. A., & Takács, K. (2021). The language of cooperation: reputation and honest signalling.
Philosophical Transactions of the Royal Society B, 376(1838), 20200286.

https://doi.org/10.1098/rstb.2020.0286

Wu, J., Számadó, S., Barclay, P., Beersma, B., Dores Cruz, T. D., Iacono, S. L., … & Van Lange, P. A. (2021). Honesty and dishonesty in gossip strategies: a fitness interdependence analysis.
Philosophical Transactions of the Royal Society B, 376(1838), 20200300.

https://doi.org/10.1098/rstb.2020.0300

Barclay, P., Bliege Bird, R., Roberts, G., & Számadó, S. (2021). Cooperating to show that you care: costly helping as an honest signal of fitness interdependence.
Philosophical Transactions of the Royal Society B, 376(1838), 20200292.

https://doi.org/10.1098/rstb.2020.0292

Samu, F., Számadó, S., & Takács, K. (2020). Scarce and directly beneficial reputations support cooperation.
Scientific Reports, 10(1), 1-12.

https://doi.org/10.1038/s41598-020-68123-x

Penn, DJ & Számadó, Sz (2020) The Handicap Principle: how an erroneous hypothesis became a scientific principle.
Biological Reviews 95 (1), 267-290.

https://doi.org/10.1111/brv.12563

Számadó, Sz., Czégel, D. & Zachar, I. (2019) One problem, too many solutions: How costly is honest signalling of need?
PLOS one, 14(1): e0208443.

https://doi.org/10.1371/journal.pone.0208443

Garay, J., Számadó, S., Varga, Z., & Szathmary, E. (2018). Caring for parents: an evolutionary rationale.
BMC Biology, 16(1), 53.

https://doi.org/10.1186/s12915-018-0519-2

Zachar, I., Szilágyi, A., Számadó, S., & Szathmáry, E. (2018). Reply to Garg and Martin: The mechanism works.
Proceedings of the National Academy of Sciences, 201805021.

https://doi.org/10.1073/pnas.1805021115

Zachar, I., Szilágyi, A., Számadó, Sz., & Szathmáry, E. (2018). Farming the mitochondrial ancestor as a model of endosymbiotic establishment by natural selection.
Proceedings of the National Academy of Sciences, 115(7), E1504-E1510.

https://doi.org/10.1073/pnas.1718707115

Garay, J., Csiszár, V., Móri, T. F., Szilágyi, A., Varga, Z., & Számadó, Sz. (2018). Juvenile honest food solicitation and parental investment as a life history strategy: A kin demographic selection model.
PLOS one, 13(3), e0193420.

https://doi.org/10.1371/journal.pone.0193420

Számadó, S. (2017). When honesty and cheating pay off: the evolution of honest and dishonest equilibria in a conventional signalling game.
BMC Evolutionary Biology, 17(1), 270.

https://doi.org/10.1186/s12862-017-1112-y

Számadó, Sz., Szalai, F. & Scheuring,I. (2016) Deception Undermines the Stability of Cooperation in Games of Indirect Reciprocity.
PLOS one.

https://doi.org/10.1371/journal.pone.0147623

Számadó, Sz. (2015) Attention Seeking Displays. PLOS one 10(8): e0135379.

https://doi.org/10.1371/journal.pone.0135379

Számadó, Sz. (2012) The rise and fall of handicap principle: a commentary on the ‘‘Modelling and the fall and rise of the handicap principle’’
Biol. Philos. 27, 279-286.

https://doi.org/10.1007/s10539-011-9299-6

Számadó, Sz. (2011) Pre-Hunt Communication Provides Context for the Evolution of Early Human Language.
Biological Theory. 5, 366-382.

https://doi.org/10.1162/BIOT_a_00064

Számadó, Sz. (2011) Long-term commitment promotes honest status signalling.
Animal Behaviour. 82 295-302.

https://doi.org/10.1016/j.anbehav.2011.04.024

Számadó, Sz. (2011) The cost of honesty and the fallacy of the handicap principle.
Animal Behaviour. 81, 3-10.

https://doi.org/10.1016/j.anbehav.2010.08.022

Boza, G. Számadó, Sz. (2010) Beneficial laggards: multilevel selection, cooperative polymorphism and division of labour in Threshold Public Good Games.
BMC Evolutionary Biology. 10, 336.

https://doi.org/10.1186/1471-2148-10-336

Szalai, F. & Számadó, Sz. (2009) Honest and cheating strategies in a simple model of aggressive communication.
Animal Behaviour, 78, 949-959.

https://doi.org/10.1016/j.anbehav.2009.06.025

Számadó, Sz. (2008) How threat displays work: species-specific fighting techniques, weaponry and proximity risk.
Animal Behaviour, 76, 1455-1463.

https://doi.org/10.1016/j.anbehav.2008.07.010

Számadó, Sz., Szalai, F. and Scheuring, I. (2008) The effect of dispersal and neighbourhood in games of cooperation.
Journal of Theoretical Biology, 253, 221-227.

https://doi.org/10.1016/j.jtbi.2008.02.037

Számadó, Sz. & Szathmáry, E. (2006) Selective scenarios for the emergence of natural language. Trends in Ecology and Evolution. 21(10), 555-561.

https://doi.org/10.1016/j.tree.2006.06.021

Számadó, Sz. (2003) Threat displays are not handicaps.
Journal of Theoretical Biology 221, 327-348

https://doi.org/10.1006/jtbi.2003.3176

Gyarmathy, V. A., Neaigus, A. & Számadó, Sz. (2003) HIV risk behavior history of prison inmates in Hungary.
Aids Education and Prevention Volume. 15, 561-569.

https://doi.org/10.1521/aeap.15.7.561.24048

Bergstrom, C.T., Számadó, Sz. and Lachmann, M. (2002) Separating equilibria in continuous signalling games.
Philisophical Transactions of the Royal Society, London B. 357, 1595-1606.

https://doi.org/10.1098/rstb.2002.1068

Gyarmathy VA, Thomas RP, Mikl J, McNutt LA, Morse DL, DeHovitz J, Ujhelyi E, Számadó, Sz. (2002) Sexual activity and condom use among Eastern European adolescents-the Study of Hungarian Adolescent Risk Behaviours. Int J STD AIDS. 13(6), 399-405

https://doi.org/10.1258/095646202760029822

Gyarmathy VA, McNutt LA, Molnár A, Morse DL, DeHovitz J, Ujhelyi E, Számadó, Sz. (2002) Evaluation of a comprehensive AIDS education curriculum in Hungary – the role of good educators. Journal of Adolescence, 25, 495-508

https://doi.org/10.1006/jado.2002.0496

Lachmann, M., Számadó, Sz. and Bergstrom, C.T. (2001) Cost and Conflict in Animal Signals and Human Language. Proc.Natl.Acad.Sci.USA 28, 13189-13194.

https://doi.org/10.1073/pnas.231216498

Számadó, Sz. (2000) Cheating as a Mixed Strategy in a Simple Model of Aggressive Communication. Animal Behaviour, 59, 221-230.

https://doi.org/10.1006/anbe.1999.1293

Számadó, Sz. (1999) The Validity of the Handicap Principle in Discrete Action-Response games. Journal of Theoretical Biology, 198, 593-602.

https://doi.org/10.1006/jtbi.1999.0935