This book criticized sociobiology and evolutionary psychology. In evolutionary theory he opposed strict selectionism, sociobiology as applied to humans, and evolutionary psychology. He fiercely opposed many aspects of sociobiology and its intellectual descendant evolutionary psychology. However, evolutionary theory and therefore sociobiology was not well received by mainstream psychologists. She credited Symons with usefully drawing on both traditional anthropology and sociobiology. Noam Chomsky has expressed views on sociobiology on several occasions. An important concept in sociobiology is that temperament traits exist in an ecological balance. This quotation appeared in their paper, "Rethinking the Theoretical Foundation of Sociobiology". However, the rise of sociobiology was not well received by mainstream psychologists. He is considered one of the forerunners of sociobiology. Sociobiology re-ignited the nature and nurture debate. Some academics have criticized him for rejecting sociobiology for non-scientific reasons. Similar views have been expressed by Jan Koster, Mark Turner, and other advocates of sociobiology. "Sociobiology" was initially met with substantial criticism. Chagnon's methods of analysis are widely seen as having been influenced by sociobiology.