Patterns of paternal investment predict cross-cultural variation in jealous response

Nature Human Behavior Vol/Iss. . Nature Human Behavior Published In Pages: 1-10
By Scelza, B. A., Prall, S. P., Blumenfield, T.


Adult sex ratio (ASR) is negatively correlated with the level of extramarital sex across populations.


Populations with more female-biased sex ratios had greater frequencies of extramarital sex. However, researchers did not find any meaningful effect of ASR on the severity ratings. For a depiction of the severity ratings see figure 3 of the paper.


Test NameSupportSignificanceCoefficientTail
UNKNOWNSupportedPearson’s r=−0.59UNKNOWNUNKNOWN


Variable NameVariable Type OCM Term(s)
Adult Sex RatioUNKNOWNComposition Of Population
Extramarital SexUNKNOWNExtramarital Sex Relations