Applied Eugenics

by Paul Popenoe

"Applied Eugenics" by Paul Popenoe and Roswell H. Johnson is a scientific publication written in the early 20th century. The book explores the principles of eugenics, which combines biology and sociology to advocate for societal adjustments that could improve the human gene pool. The authors aim to discuss ways in which society can encourage the reproduction of perceived 'superior' individuals while discouraging those deemed 'inferior,' through various legal, social, and economic means. The opening of "Applied Eugenics" sets the stage by introducing the foundational concepts of eugenics and its historical context. Popenoe emphasizes the importance of distinguishing between inherited traits and environmental influences, arguing that heredity plays a more significant role in shaping individuals than commonly believed. Through examples involving identical twins and references to a range of scientific studies, the text critiques the notion that nurturing can fundamentally alter one's inherited traits and consequences for societal approaches to improving human health and capabilities. The authors propose a detailed examination of human traits, the significance of hereditary contributions, and the societal implications of eugenics as a scientific and ethical framework.