Free mate choice does not influence reproductive success in humans

Piotr Sorokowski , Agata Groyecka , Maciej Karwowski , Upma Manral , Amit Kumar , Agnieszka Niemczyk , Michalina Marczak , Michał Misiak , Agnieszka Sorokowska , Thomas Huanca , Esther Conde , Bogdan Wojciszke , Bogusław Pawłowski


The effect of free mate choice on the relative magnitude of fitness benefits has been examined among various species. The majority of the data show significant fitness benefits of mating with partners of an individual’s own choice, highlighting elevated behavioral compatibility between partners with free mate choice. Similarities between humans and other species that benefit from free mate choice led us to hypothesize that it also confers reproductive benefits in Homo sapiens. To test this hypothesis, we conducted a study among three indigenous societies—the Tsimane’, Yali, and Bhotiya—who employ natural birth control. In all three samples, we compared the marriages arranged by parents with the non-arranged ones in terms of number of offspring. Here, we show that there were no significant relationships between type of marriage and the total number of alive children and number of dead children among the three sampled groups. The presented study is the first to date to examine the fitness benefits of free mate choice in humans. In discussion we present limitations of our research and discuss the possibility of love having a beneficial influence in terms of the number of offspring.
Author Piotr Sorokowski
Piotr Sorokowski,,
, Agata Groyecka
Agata Groyecka ,,
, Maciej Karwowski
Maciej Karwowski,,
, Upma Manral
Upma Manral,,
, Amit Kumar
Amit Kumar,,
, Agnieszka Niemczyk
Agnieszka Niemczyk,,
, Michalina Marczak
Michalina Marczak,,
, Michał Misiak
Michał Misiak,,
, Agnieszka Sorokowska
Agnieszka Sorokowska ,,
, Thomas Huanca
Thomas Huanca,,
et al.`
Journal seriesScientific Reports, ISSN 2045-2322, (A 40 pkt)
Issue year2017
Publication size in sheets0.5
Keywords in EnglishHuman behaviour, Sexual selection, Social anthropology
ASJC Classification1000 Multidisciplinary
Languageen angielski
Sorokowski et al_ free mate choice_2017.pdf 1.24 MB
Additional file
Wojciszke_osw_afiliacja_2017.pdf 421.78 KB
Score (nominal)40
Score sourcejournalList
Publication indicators Scopus SNIP (Source Normalised Impact per Paper): 2016 = 1.401; WoS Impact Factor: 2017 = 4.122 (2) - 2017=4.609 (5)
Citation count*3 (2021-03-04)
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