Testing evolutionary hypotheses about human biological adaptation using cross-cultural comparison

Comparative Biochemistry and Physiology. Part A: Molecular and Integrative Physiology Vol/Iss. 136(1) Elsevier Published In Pages: 85-94
By Mace, Ruth, Jordan, Fiona M., Holden, Clare

Hypothesis

Sex ratio at birth will be negatively correlated with total fertility rate.

Test

Test NameSupportSignificanceCoefficientTail
Phylogenetic method CONTINUOUS of Pagel (1999)Supportedp < 0.01r = -0.30UNKNOWN

Variables

Variable NameVariable Type OCM Term(s)
Total Fertility RateIndependentConception
Sex ratio at birthDependentBirth Statistics