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Evolutionary psychology is an important and rapidly expanding area in the life, social, and behavioral sciences, and this Handbook represents the most comprehensive and up-to-date reference text in the field today. Chapters in this Handbook address foundational theories and methodological approaches, providing a rich overview of the most important theoretical and empirical work in the field. The SAGE Handbook of Evolutionary Psychology is an essential resource for researchers, graduate students, and advanced undergraduate students in all areas of psychology, and in related disciplines across the life, social, and behavioral sciences. Part 1: Foundations of Evolution; Part 2: Middle-Level Evolutionary Theories; and Part 3: Research Methods and Strategies.

Sexual Conflict Theory: Concepts and Empirical Tests
Sexual conflict theory: concepts and empirical tests
Wayne G. Rostant Emily K. Fowler Tracey Chapman
Fundamental Concepts

It has been recognised for many decades that the evolutionary interests of males and females (Parker, 1979), or of different sex functions within hermaphrodites (Charnov, 1979), may often diverge. This realisation originally stemmed from observations that, in addition to mutually coordinated and seemingly highly co-operative courtship displays (Krebs and Davies, 1987), reproductive interactions can also result in mortal injuries (Chapman et al., 2003a). This is a manifestation of the concept that males and females may ultimately maximise their fitness in different ways, for example, by breeding promiscuously and ...

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