Founders of Evolutionary Psychology
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F Founders of Evolutionary through natural, social, or sexual selection. They Psychology are context-dependent and process information according to specific rules as selected for. This Leif Edward Ottesen Kennair may by many be called the Santa Barbara school Department of Psychology, Norwegian of evolutionary psychology, but that specific University of Science and Technology, approach has been somewhat broadened by a Trondheim, Norway greater interest in sex differences and individual differences during the last decades. Founders are those who contributed to the formation of the Synonyms psychological evolutionary research program as it may be recognized today, especially as opposed David Buss; John Tooby; Leda Cosmides; Margo to other evolutionary research programs within Wilson; Martin Daly human behavioral science such as human behav- ioral ecology or gene-culture coevolution. Foun- ders presented in the following include John Definition Tooby and Leda Cosmides, Margo Wilson and Martin Daly, and David Buss. These were histor- Evolutionary psychology is a psychological sci- ically the five scholars who worked on the very ence where hypotheses are informed by evolu- first “Foundations of Evolutionary Psychology” at tionary theory (especially middle-level theories, Palo Alto. such as Trivers’ parental investment theory or life history theory, see Buss 1995), as well as a con- sideration of known features of the species’ rele- Introduction vant evolutionary past, i.e., relevant selection forces. In addition, there is a specific model of Evolutionary psychology was founded in the mind, where one considers the mind made up of a 1980s, developed into a comprehensive and mosaic of mental mechanisms. This form of mod- burgeoning field during the 1990s, and slowly ularity follows Pinker’s(1997)definition where became an integrated part of psychology in gen- modules are only partially informationally com- eral the last 20 years. Considering the foundations partmentalized, not Jerry Fodor’s more informa- of evolutionary psychology therefore warrants a tionally encapsulated definition, as the modules look at papers written during the 1980s and the are partly interacting and partly informationally early 1990s, as well as work that has influenced encapsulated. These mechanisms are designed the field the last 30 years. # Springer International Publishing AG 2016 T.K. Shackelford, V.A. Weekes-Shackelford (eds.), Encyclopedia of Evolutionary Psychological Science, DOI 10.1007/978-3-319-16999-6_1855-1 2 Founders of Evolutionary Psychology There are three major research labs/groups that this was in the development of any scientific psy- may be recognized as foundational and will be chology. Certainly Darwin’s work on human emo- considered in greater detail in this chapter, tions is one of the first works on human although they all met at Harvard: John Tooby psychological features from an evolutionary per- and Leda Cosmides, founding directors of the spective, and he is also one of the first develop- Center of Evolutionary Psychology at the Univer- mental psychologists with his observational study sity of California at Santa Barbara; Margo Wilson of his own child published in Mind. Pioneers such and Martin Daly, McMaster University, Canada; as William James and Sigmund Freud also were and David Buss, at Harvard, University of Mich- famously interested in phylogenetic musings and igan, and the University of Texas at Austin in speculation. Prominent mainstream theorists such charge of the evolutionary psychology and indi- as John Bowlby and Mary Ainsworth were explic- vidual differences graduate program. itly evolutionary, despite many current attachment The current chapter will provide a brief intro- scientists downplaying the evolutionary founda- duction to some of the most influential contribu- tions of their classical theoretical work. Within tors to the formulation and foundation of anxiety theory, mainstream clinical work has mainstream evolutionary psychology (EP). This always been based on an appreciation of the research program was developed through more or evolved functional underpinnings (Kennair less formal meetings over several years, but was 2007; Marks and Nesse 1994). However, none most clearly formulated by John Tooby and Leda of these previous evolutionary approaches to Cosmides as what is sometimes referred to as the behavior or psychology were part of an organized Santa Barbara school. Parallel to Tooby and theoretical framework or research program. The Cosmides’ empirical work, Margo Wilson and most influential approach to human evolved Martin Daly published large studies based on behavior prior to the advent of evolutionary psy- basic EP principles. The major communicator of chology was human sociobiology, strongly EP within academia is probably David Buss, who influenced by E.O. Wilson’s popular work on in addition to large empirical studies also added a sociobiology, heralding the use of recent theoret- focus on sex differences to the mainstream EP ical developments in evolutionary biology to research program, as well as personality and indi- investigate behavior in animals, including vidual differences. While many more humans. researchers – both independent and collaborators It is important to note at this point the differ- of the aforementioned – have also contributed to ence in considering manifest behavior versus con- mainstream modern EP, this chapter will be sidering the underlying evolved mental restricted to the basic contributions of these five mechanisms. Dennett suggested that EP is merely founders. the marriage of sociobiology with cognitive sci- ence. This might not fully appreciate the complex- Evolutionary Psychology Is Not Sociobiology ity of focusing on the adaptation as a cognitive Historically, evolutionary psychology is obvi- structure (Kennair 2002). Once one accepts men- ously not the first evolutionary approach to behav- tal mechanisms as the relevant object of study, ior, psychology, or human nature. In Origin something behaviorists such as Wilson was hesi- Darwin is often quoted as pointing out that he tant to do, this affects both methods and how one believes that “In the distant future I see open fields implements theory in generating hypotheses. for far more important researches. Psychology First, one stops primarily counting babies; that will be based on a new foundation, that of the is, one stops to primarily consider current selec- necessary acquirement of each mental power and tion or adaptiveness. Don Symons was dismissive capacity by gradation.” of evolutionary oriented scholars who sought a This is an interesting quote, but from a histor- psychologically agnostic science, where humans ical perspective, it is important to note how early are fitness maximizers. Cosmides and Tooby Founders of Evolutionary Psychology 3 (1987) provide the link between manifest behav- Trivers (1972, 1974) might be implemented in ior and evolutionary science: the evolved psycho- research. George Williams also provided funda- logical adaptation. mental insight, through the focus on formal It takes time to construct human mental mech- criteria of the adaptation. It is important to note anisms through selection. Human universals, and that the field also in general clearly identifies with thereby the cognitive underpinnings of our human Williams’ refutation of group selection and his nature, have to have been in place before humans focus on the adaptation. From an evolutionary migrated out of Africa. It is therefore not neces- psychology perspective, group selectionist sarily our current environment we are adapted to, models are moot. Thus evolutionary psycholo- but rather the relevant selection forces that were gists in general take a Darwinian, gene level selec- stable enough across deep time to design the men- tionist approach, focusing on inclusive fitness and tal mechanisms that make up universal human middle-level theories (i.e., Trivers 1972) or spe- nature. Environments change faster than selection cific versions of these (i.e., sexual strategy theory, can form adaptations, especially when species Buss and Schmitt 1993) that may generate testable migrate as far as humans have. Such mismatch hypotheses and predictions (Buss 1995; Ketelaar makes it less relevant to consider current adap- and Ellis 2000). tiveness, but predictable output from hypothe- In addition to focusing on identifying mental sized mental adaptations may be studied, and adaptations and using middle-level theories, an design features may be discerned based on such evolutionary psychology approach builds on output. what is known about the species’ relevant evolu- While sociobiology considered current adap- tionary past: the relevant selection forces or the tiveness and built upon a behaviorist psychologi- environment of evolutionary adaptedness (EEA). cal model that studied behavior in current Knowledge about selection forces may suggest environments, evolutionary psychology predicts how specific traits could be shaped today. The that mental mechanisms have been formed over combination of these two aspects provides the evolutionary time due to middle-level evolution- evolutionary basis of evolutionary psychology ary theory and available knowledge about the hypothesis and prediction generation. relevant selection forces (EEA). Evolutionary At this point it may also be important to note psychology thus focuses on adaptations and is the following: Evolutionary psychology is not a inherently founded on a mainstream social- comparative approach, like sociobiology