Galton and his statistical heir Karl Pearson developed what was called the biometrical approach to eugenics, which developed new and complex statistical models (later exported to wholly different fields) to describe the heredity of traits.
Galton e o seu herdeiro estatístico Karl Pearson desenvolveron o que se chamou o enfoque biométrico da euxenesia, que fixo aparecer novos e complexos modelos estatísticos (máis tarde exportados a campos completamente diferentes) para describir a herdanza dos caracteres.