Douglas T. Kenrick

The necessities and luxuries of mate preferences: testing the tradeoffs.

Social exchange and evolutionary models of mate selection incorporate economic assumptions but have not considered a key distinction between necessities and luxuries. This distinction can clarify an apparent paradox: Status and attractiveness, though emphasized by many researchers, are not typically rated highly by research participants. Three studies supported the hypothesis that women and men first ensure sufficient levels of necessities in potential mates before considering many other characteristics rated as more important in prior surveys. In Studies 1 and 2, participants designed ideal long-term mates, purchasing various characteristics with 3 different budgets. Study 3 used a mate-screening paradigm and showed that people inquire 1st about hypothesized necessities. Physical attractiveness was a necessity to men, status and resources were necessities to women, and kindness and intelligence were necessities to both.

Age preferences in mates reflect sex differences in human reproductive strategies.

Social psychologists have held that when selecting mates women prefer older men and men prefer younger women. In a form of economic exchange based on conventional sex role norms both men and women seek potential partners who are similar to themselves. Behavioral psychologists have proposed an evolutionary model to explain age preferences. The social exchange model does not explain what cross cultural research which is that men and women in other cultures differ in ways that are parallel to gender differences in US society. The evolutionary model submits that men and women pursue distinct reproductive strategies. It also theorizes a more complicated relationship between gender and age preferences than the social exchange model. 2 behavioral psychologists have conducted 6 studies to determine whether the evolutionary model holds true. The hypothesis states that during the early years men prefer women who are only somewhat younger than they are but as they are they prefer women who are considerably younger than they are. On the other hand young women prefer men who are slightly older than they are and this preference does not change much with age. The psychologists examined age preferences in personal advertisements from newspapers in Arizona West Germany the Netherlands and India and in singles advertisements by financially successful US women and men in the Washington D.C. They found the results consistently fit well with the evolutionary model. They also studied marriage statistics from Seattle Washington and Phoenix Arizona which also supported the hypothesis. They conducted a cross-generational analysis using 1923 marriage statistics from Phoenix which indicated consistency across generations. A study of marriages that took place between 1913 and 1939 on the small island of Poro in the Philippines also supported the theory. Thus psychologists should expand previous models of age preferences to incorporate the life history position.

Renovating the Pyramid of Needs: Contemporary Extensions Built Upon Ancient Foundations

Maslow’s pyramid of human needs, proposed in 1943, has been one of the most cognitively contagious ideas in the behavioral sciences. Anticipating later evolutionary views of human motivation and cognition, Maslow viewed human motives as based in innate and universal predispositions. We revisit the idea of a motivational hierarchy in light of theoretical developments at the interface of evolutionary biology, anthropology, and psychology. After considering motives at three different levels of analysis, we argue that the basic foundational structure of the pyramid is worth preserving, but that it should be buttressed with a few architectural extensions. By adding a contemporary design feature, connections between fundamental motives and immediate situational threats and opportunities should be highlighted. By incorporating a classical element, these connections can be strengthened by anchoring the hierarchy of human motives more firmly in the bedrock of modern evolutionary theory. We propose a renovated hierarchy of fundamental motives that serves as both an integrative framework and a generative foundation for future empirical research.

Dominance and heterosexual attraction

Four experiments examined the relation between behavioral expressions of dominance and the heterosexual attractiveness of males and females. Predictions concerning the relation between dominance and heterosexual attraction were derived from a consideration of sex role norms and from the comparative biological literature. All four experiments indicated an interaction between dominance and sex of target. Dominance behavior increased the attractiveness of males, but had no effect on the attractiveness of females. The third study indicated that the effect did not depend on the sex of the rater or on the sex of those with whom the dominant target interacted. The fourth study showed that the effect was specific to dominance as an independent variable and did not occur for related constructs (aggressive or domineering). This study also found that manipulated dominance enhanced only a males sexual attractiveness and not his general Usability. The results were discussed in terms of potential biological and cultural causal mechanisms. Concepts that refer to an individuals relative position in a social hierarchy occupy prominent positions in current models of personality and social behavior (Edelmarv & Omark, 1973; Hogan, 1979,1982;StrayerS his analysis of personality descriptions in different language groups indicates that dominance-submission is a universal lexical feature of human languages. The research reported here concerns the relation between behavioral expressions of dominance and the sexual attractiveness of males and females. Specific relations between dominance and attraction are predicted both by sociobiological theories that emphasize evolutionarily determined behavior tendencies and by scciocultural theories that emphasize socialization practices and sex role expectations.

Integrating evolutionary and social exchange perspectives on relationships : effects of gender, self-appraisal, and involvement level on mate selection criteria

Two studies examined which traits males and females desire in partners at various levels of relationship development in an attempt to integrate evolutionary models (which emphasize sex differences) and social exchange models (which emphasize self-appraisals). In Study 1, male and female students specified their minimum criteria on 24 traits for a date, sexual partner, exclusive dating partner, marriage partner, and 1-night sexual liaison. They also rated themselves on the same dimensions. Sex differences were greatest for casual sexual liaisons, with mens criteria being consistently lower than womens. Mens self-ratings were generally less correlated with their criteria for a 1-night stand, as well

Altruism as hedonism: a social development perspective on the relationship of negative mood state and helping.

A study was conducted to provide a means for reconciliation of the conflicting data on the relationship of negative mood state to altruism. Whereas some studies have shown that negative mood leads to increases in altruistic action, others have shown the reverse. It was hypothesized that the inconsistency of these results was due to differences in the ages and consequent levels of socialization of the subjects employed in the earlier studies. In order to test the hypothesis, subjects from three age groups (6-8, 10-12, and 15-18 years old) were asked to think of either depressing or neutral events and were subsequently given the opportunity to be privately generous. Consistent with predictions from the negative state relief model of altruism, the youngest, least socialized subjects were somewhat less generous in the negative mood condition, but this relationship progressively reversed itself until in the oldest, most socialized group, the negative mood subjects were significantly more generous than neutral mood controls. The data were taken as support for a hedonistic conception of altruism that views adult benevolence as self-gratification. It is suggested that the reward character of benevolence derives from the socialization experience.

Dynamical Evolutionary Psychology: Individual Decision Rules and Emergent Social Norms

A new theory integrating evolutionary and dynamical approaches is proposed. Following evolutionary models, psychological mechanisms are conceived as conditional decision rules designed to address fundamental problems confronted by human ancestors, with qualitatively different decision rules serving different problem domains and individual differences in decision rules as a function of adaptive and random variation. Following dynamical models, decision mechanisms within individuals are assumed to unfold in dynamic interplay with decision mechanisms of others in social networks. Decision mechanisms in different domains have different dynamic outcomes and lead to different sociospatial geometries. Three series of simulations examining trade-offs in cooperation and mating decisions illustratehow individual decision mechanisms and group dynamics mutually constrain one another, and offer insights about gene-culture interactions.

The Confounded Nature of Angry Men and Happy Women

Findings of 7 studies suggested that decisions about the sex of a face and the emotional expressions of anger or happiness are not independent: Participants were faster and more accurate at detecting angry expressions on male faces and at detecting happy expressions on female faces. These findings were robust across different stimulus sets and judgment tasks and indicated bottom-up perceptual processes rather than just top-down conceptually driven ones. Results from additional studies in which neutrally expressive faces were used suggested that the connections between masculine features and angry expressions and between feminine features and happy expressions might be a property of the sexual dimorphism of the face itself and not merely a result of gender stereotypes biasing the perception.

Peacocks, Porsches, and Thorstein Veblen: Conspicuous Consumption as a Sexual Signaling System

Conspicuous consumption is a form of economic behavior in which self-presentational concerns override desires to obtain goods at bargain prices. Showy spending may be a social signal directed at potential mates. We investigated such signals by examining (a) which individuals send them, (b) which contexts trigger them, and (c) how observers interpret them. Three experiments demonstrated that conspicuous consumption is driven by men who are following a lower investment (vs. higher investment) mating strategy and is triggered specifically by short-term (vs. long-term) mating motives. A fourth experiment showed that observers interpret such signals accurately, with women perceiving men who conspicuously consume as being interested in short-term mating. Furthermore, conspicuous purchasing enhanced mens desirability as a short-term (but not as a long-term) mate. Overall, these findings suggest that flaunting status-linked goods to potential mates is not simply about displaying economic resources. Instead, conspicuous consumption appears to be part of a more precise signaling system focused on short-term mating. These findings contribute to an emerging literature on human life-history strategies.

Human Threat Management Systems: Self-Protection and Disease Avoidance

Humans likely evolved precautionary systems designed to minimize the threats to reproductive fitness posed by highly interdependent ultrasociality. A review of research on the self-protection and disease avoidance systems reveals that each system is functionally distinct and domain-specific: each is attuned to different cues; engages different emotions, inferences, and behavioral inclinations; and is rooted in somewhat different neurobiological substrates. These systems share important features, however. Each system is functionally coherent, in that perceptual, affective, cognitive, and behavioral processes work in concert to reduce fitness costs of potential threats. Each system is biased in a risk-averse manner, erring toward precautionary responses even when available cues only heuristically imply threat. And each system is functionally flexible, being highly sensitive to specific ecological and dispositional cues that signal greater vulnerability to the relevant threat. These features characterize a general template useful for understanding not only the self-protection and disease avoidance systems, but also a broader set of evolved, domain-specific precautionary systems.