Mate value

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Mate value is derived from Charles Darwin's theory of evolution and sexual selection, as well as the social exchange theory of relationships. [1] [2] Mate value is defined as the sum of traits that are perceived as desirable, representing genetic quality and/or fitness, an indication of a potential mate's reproductive success. [2] Based on mate desirability and mate preference, mate value underpins mate selection and the formation of romantic relationships.

Contents

Mate value can predict availability of mates, for example, a higher mate value means one is desirable to more individuals and so can afford to be more choosy in mate selection. Thus, one's own mate value can influence trait and mate preferences, it has been shown that an individual will show preference for another who has a similar mate value, to avoid rejection. [3] Specifically, one could infer that one's own mate value has a direct impact upon partner choice through the biological market theory. Here, it is believed that 'high-market' (more attractive individuals), are able to translate mate preference into actual choice, primarily due to the fact they have more to offer, such as positive health markers, consequently affecting reproductive success [4] Ultimately, mate value has been suggested as a 'determining factor in mate choice', consequently influencing the reproductive success of an individual. [5]

Factors such as attractiveness can influence perceived mate value. It has been suggested that preferences dictate an individual's mate value, leading to the prioritising of certain characteristics by some and not others. This results in potential mates having different (subjective) mate values dependent on the mate-seekers's preferences. [6] [7]

Further influences of mate value may include cultural effects, sex differences and evolutionary impacts. [8] [9] [10] [11]

Evolution

Evolutionary theory has provided evidence suggesting that individuals aim for the highest mate value possible, in both others and themselves. Mate values that have continuously been seen as preferential include fertility, reproductive ability, [12] health, age, intelligence, status, parenting skills, kindness, and willingness and ability to invest in offspring. [11] [13] [14] [15] [16] [17] However, all individuals are different and therefore value characteristics in different ways [18] leading to a time consuming search, especially if looking for a mate based on one's own mate value. [19] These individual differences of mate value have great evolutionary importance for survival, mating and reproductive success. [20] Despite this, Buss et al. (2001) show how various mate values have increased and decreased in preference over time. With the introduction of birth control and contraception, chastity has become a less favoured mate value whereas dependable character, emotion stability and maturity have stayed highly desired. [8]

In the book The Adapted Mind: Evolutionary Psychology and the Generation of Culture (1995), Ellis conveys which features women link to high mate value. [21] These characteristics include; economic status, willingness to invest in relationships, security, control of resources, physical maturity and strength, physical dominance and height. Natural selection has accentuated these preferences, leading to the evolution of mate values in relation to what females find desirable in their male counterparts.

Cross cultural differences

Cross-cultural influences in regards to mate value is another factor that have been studied extensively. When looking at body attributes of women such as waist-to-hip ratio (WHR), there has been research looking into the variation in preference. Douglas and Shepard (1998) [22] found that Peruvian Tribe men had a preference for a high WHR in comparison to the Western preference of a low WHR, due to the lack of media exposure. Another study [23] looked at artists’ representations of male and female sculptures. When comparing Indian, African, Greek and Egyptian WHR, they all vary across the cultures. However, one common feature across all the cultures is that women are always depicted with a lower WHR than men.

Another study, by Buss et al. (1990), [24] looked at mate preferences in 37 different cultures and found that Indians, Chinese, Arabs and Indonesians place a huge emphasis on chastity, whereby both males and females place high importance on finding a mate who has not engaged in previous sexual experience. Saying this, Buss et al. (2001) [25] also found that certain traits such as financial prospects and attractiveness remained relatively stable across cultures. While there is some evidence for the importance of WHR and other physical attractiveness, Wetsman and Marlowe (1999) [26] looked at research from a Tanzanian tribe and found that WHR was not considered an important measure of attractiveness and therefore mate value.

Sex differences

Mate value has been seen to differ between males and females. Various studies have been conducted to determine what these are, and the extent to which they exist. Researchers have found that men place a much bigger emphasis on the reproductive capacity of a mate in order to ensure they are able to produce offspring. [27] This reproductive capacity may be determined by focusing on the youth and attractiveness of a female. [11] The same study also found that females place a greater importance on financial prospects, status and other qualities that are needed for the long-term survival of the offspring when selecting a mate.

Ben Hamida, Mineka and Bailey (1998) [9] have also looked into sex differences in mate preference. It seems that men tend to select traits such as attractiveness, youth and body shape and size, suggesting a preference for uncontrollable qualities. This however differs from what females focus on, which are traits that are thought to be controlled, such as status, ambition, job prospects and physical strength.

Furthermore, females are more interested in the ability to provide resources in men. Trivers (1972) [28] suggested that this was the case due to the higher obligatory biological parental investment. Parental investment refers to how many resources, physical and emotional, that a parent expends on their offspring. As females carry the offspring throughout pregnancy as well as physically giving birth to them, they have the higher obligatory investment in the offspring than males do. Consequently, they require a mate with attributes that means they will be able to support and provide for the offspring once it has been born. Females, therefore, aim to have partners that are willing to invest into them and their offspring.

Although there are differences in mate values between males and females; Buss (1989) also found that traits such as intelligence and health are rated equally in terms of importance by both men and women. [11] This suggests that although there are obvious differences, there are also inherent similarities between the two.

It has been suggested by author and researcher Renée Wade that the 3 types of mate value that men find attractive in women are reproductive value, social value, and spiritual value. [29]

Attractiveness

When looking at what affects mate value, attractiveness and body features seem to be a consistent indicator with certain characteristics predicting an increased mate value. [30] Fink and Penton-Voak (2002) [31] found that the symmetry of a face is one method used to determine a person's attractiveness. People tend to value a high level of similarity when considering a potential mate. Another study [32] looked at the effects of self-perceived attractiveness on mate preference and found that females who consider themselves above average attractiveness tended to prefer mates of a higher masculinity.

The Waist–hip ratio (WHR) of women is a feature that can be used to measure mate value. When males look for a long-term partner, they are looking for a healthy female with good reproductive value, and WHR is a good measure of both. [32] There is also a strong preference for bigger breasts, as well as a low WHR when considering both short and long-term partners. [33] When females look for potential male mates, they look at different features to men. It seems that averageness and texture of the face play an important part in attractiveness of men. When looking at short-term mates, male attractiveness is rated higher than when looking for long-term mates, where other factors such as resources and financial prospects are more highly valued. [34]

Sexual strategies

Sexual strategies theory, as defined by Buss and Schmitt, [35] focuses on the strategies implemented by both men and women in acquiring mates. From an evolutionary perspective and Parental Investment Theory, [28] males are identified as showing preference for short-term mates, with the sexual strategy aimed to increase the number of offspring they produce, whilst providing limited parental investment. [15] [36] On the other hand, females display preferences for long-term mates and are choosier in their mate, due to the raised parental investment (pregnancy) and want to enhance the reproductive success of their offspring. [37]

Research has proposed that mate value will influence the strategies used by individuals, stating that individuals with high mate value are able to implement their preferred sexual strategy in comparison to those with lower mate value. [38] [39] For example, men demonstrate preferences for short-term mates; those of higher mate value will be perceived as more desirable, associated with preferred traits such as status and resources. [27] [40] Thus, males of greater perceived mate value are more likely to fulfil the evolutionary preference for multiple short-term mates. Muehlenbein (2010) [41] states "men of high-mate value and women of low mate-value will pursue short-term mating strategies." In essence, those of lower mate value are perceived as less attractive by potential mates, and as a result are less successful in mate selection and retaining mates. [42] Both males and females wish to obtain the highest quality of mate. Strategies such as mate guarding are often implemented to ensure investment and interest of mate is continued.

Furthermore, short-term mating is a suggested technique in order to access a potential partner's mate value; a strategy implemented by the younger population prior to producing offspring. [35] However, a change in strategy from short-term to long-term will occur when a potential partner has a desirable mate value. [43]

Mate guarding

Mate value is also closely linked to mate guarding. Since physical attractiveness is an important component of mate value, there is a clear association between greater physical attractiveness, therefore high mate value, and high mate guarding. Buss (2002) [44] explains that if a partner's mate value is higher than one's own, there is a greater likelihood that competitors will be interested in their partner. This increased perception of threat from others, will lead to more intense mate guarding. A study by Holden et al. (2014), [45] looked at the effect of husbands’ self-esteem, and perceived mate value of their wives, on mate guarding. These researchers posited that husbands with lower self-esteem will exhibit mate guarding behaviors. Therefore, mate guarding increases when one's own perceived mate value is low and one's partner's is high. The threat of rivals and the possibility of infidelity causes individuals to guard their mates more closely to maintain their relationship.

Self-esteem

From an evolutionary perspective, research states that self-esteem (SE) is a tool which individuals use to calculate their own mate value for long-term relationships. [46]

As one can imagine, the selection of mates and the possibility of the rejection and acceptance is closely associated with an individual's self-esteem. [47] Zeigler-Hill & Shackelford (2015), [47] state that this is due to individuals placing importance on their different values (own mate value), i.e. how attractive they believe they are as a potential partner. Supporting the Sociometer model of self-esteem, Leary et al. (1995), [46] concluded that social inclusion or exclusion corresponded to the participants' level of self-esteem. For example, those who are rejected will experience a lower self-esteem. Kavanagh et al. (2010), [48] also tested the concept of acceptance and rejection; concluding that levels of self-esteem can alter mating aspirations and mate choice.

Research by Brase & Guy (2004) [49] looked specifically at factors affecting an individual's self-esteem with regards to mate value. It was found that factors such as age, sex and marital status were closely associated with an individual's estimate of own mate value. Consequently, individuals attempted to raise their perceived own mate value, demonstrating mate value to be a great predictor of self-esteem. Increased levels of received parental investment in childhood is also associated with increased self-reported mate value in adults, [50] possibly mediated by increased self-esteem.

Sex differences

Zeigler-Hill et al. (2015) [47] state that both sexes experience lower self-esteem when rejected, particularly when traits deemed important by themselves and others, are devalued. [51] However, noticeable sex differences have been highlighted by researchers, Penke & Denissen (2008) [52] indicated that self-esteem was more closely associated with self-perceived mate value in males. Research concluded that, unlike women, males' own mate value had a great effect on their self-belief, however only if they had experienced successful short-term mating previously.

The work of Penke & Denissen (2008) [52] was not applicable to those in a long-term relationship. Shackelford (1998) [53] looked at individuals in a marital context and results showed that a husband's self-esteem was negatively correlated with a women's infidelity and complaints, whereas a women's self-esteem was positively correlated with ratings of physical attractiveness. Additionally, Berscheid & Walster [54] found that men with lower self-esteem tended not to approach women perceived as physically attractive, supporting the relationship between self-esteem and perceived mate value.

Aggression

Physical attractiveness, being one of the most important signals of mate value, has contributed towards the display of aggression amongst men and women. [55] The high mate value associated with attractiveness has been shown to be a positive predictor of aggression. [56] Men and women feel like they need to exhibit aggression in order to compete more successfully (i.e. intimidate their rivals) [57] and as a result, reducing their competitors’ mate value. [58] In this way, aggression can help to minimize a threat and reduce another's mate value in order to improve one's own self-image and increase self-esteem. [59]

A study by Webster and Kirkpatrick (2006), suggested that aggression may occur in order for individuals to protect their higher status and establish who is the stronger mating competitor between themselves and those that they deem to be of less competition due to their lower mate value. [60] Buss (2003) [61] demonstrated that males who tend to use aggression within their relationships, and resort to spousal battering, are males who are of lower mate value than their partners. Due to their lower mate value, these males feel a greater amount of fear about a partner being disloyal and potentially cheating, leading them to become more aggressive. Nevertheless, Archer and Thanzami [62] demonstrated that it was males who perceived themselves to be more attractive who were also more physically aggressive. This finding is perhaps more in line with the sexual selection based notion that, overall, males tend to exhibit more aggression. [63]

See also

Related Research Articles

Evolutionary psychology is a theoretical approach in psychology that examines cognition and behavior from a modern evolutionary perspective. It seeks to identify human psychological adaptations with regards to the ancestral problems they evolved to solve. In this framework, psychological traits and mechanisms are either functional products of natural and sexual selection or non-adaptive by-products of other adaptive traits.

<span class="mw-page-title-main">Sexual attraction</span> Attraction on the basis of sexual desire

Sexual attraction is attraction on the basis of sexual desire or the quality of arousing such interest. Sexual attractiveness or sex appeal is an individual's ability to attract other people sexually, and is a factor in sexual selection or mate choice. The attraction can be to the physical or other qualities or traits of a person, or to such qualities in the context where they appear. The attraction may be to a person's aesthetics, movements, voice, or smell, among other things. The attraction may be enhanced by a person's adornments, clothing, perfume or hair style. It can be influenced by individual genetic, psychological, or cultural factors, or to other, more amorphous qualities. Sexual attraction is also a response to another person that depends on a combination of the person possessing the traits and on the criteria of the person who is attracted.

<span class="mw-page-title-main">Seduction</span> Process of enticing a person to engage in sexual behaviour

In sexuality, seduction means enticing to sexual intercourse.

Sociosexuality, sometimes called sociosexual orientation, is the individual difference in the willingness to engage in sexual activity outside of a committed relationship. Individuals who are more restricted sociosexually are less willing to engage in casual sex; they prefer greater love, commitment and emotional closeness before having sex with romantic partners. Individuals who are more unrestricted sociosexually are more willing to have casual sex and are more comfortable engaging in sex without love, commitment or closeness.

<span class="mw-page-title-main">Sociobiological theories of rape</span> Theories about how evolutionary adaptation influences the psychology of rapists

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<span class="mw-page-title-main">Physical attractiveness</span> Aesthetic assessment of physical traits

Physical attractiveness is the degree to which a person's physical features are considered aesthetically pleasing or beautiful. The term often implies sexual attractiveness or desirability, but can also be distinct from either. There are many factors which influence one person's attraction to another, with physical aspects being one of them. Physical attraction itself includes universal perceptions common to all human cultures such as facial symmetry, sociocultural dependent attributes and personal preferences unique to a particular individual.

<span class="mw-page-title-main">David Buss</span> American evolutionary psychologist

David Michael Buss is an American evolutionary psychologist at the University of Texas at Austin, researching human sex differences in mate selection. He is considered one of the founders of evolutionary psychology.

<span class="mw-page-title-main">Parental investment</span> Parental expenditure (e.g. time, energy, resources) that benefits offspring

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<span class="mw-page-title-main">Psychological adaptation</span>

A psychological adaptation is a functional, cognitive or behavioral trait that benefits an organism in its environment. Psychological adaptations fall under the scope of evolved psychological mechanisms (EPMs), however, EPMs refer to a less restricted set. Psychological adaptations include only the functional traits that increase the fitness of an organism, while EPMs refer to any psychological mechanism that developed through the processes of evolution. These additional EPMs are the by-product traits of a species’ evolutionary development, as well as the vestigial traits that no longer benefit the species’ fitness. It can be difficult to tell whether a trait is vestigial or not, so some literature is more lenient and refers to vestigial traits as adaptations, even though they may no longer have adaptive functionality. For example, xenophobic attitudes and behaviors, some have claimed, appear to have certain EPM influences relating to disease aversion, however, in many environments these behaviors will have a detrimental effect on a person's fitness. The principles of psychological adaptation rely on Darwin's theory of evolution and are important to the fields of evolutionary psychology, biology, and cognitive science.

<span class="mw-page-title-main">Sexual jealousy</span> Psychological concept

Sexual jealousy is a special form of jealousy in sexual relationships, based on suspected or imminent sexual infidelity. The concept is studied in the field of evolutionary psychology.

<span class="mw-page-title-main">Waist–hip ratio</span>

The waist–hip ratio or waist-to-hip ratio (WHR) is the dimensionless ratio of the circumference of the waist to that of the hips. This is calculated as waist measurement divided by hip measurement. For example, a person with a 75 cm waist and 95 cm hips has WHR of about 0.79.

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<span class="mw-page-title-main">Mate choice</span> One of the primary mechanisms under which evolution can occur

Mate choice is one of the primary mechanisms under which evolution can occur. It is characterized by a "selective response by animals to particular stimuli" which can be observed as behavior. In other words, before an animal engages with a potential mate, they first evaluate various aspects of that mate which are indicative of quality—such as the resources or phenotypes they have—and evaluate whether or not those particular trait(s) are somehow beneficial to them. The evaluation will then incur a response of some sort.

<span class="mw-page-title-main">Sexual selection in humans</span> Evolutionary effects of sexual selection on humans

Sexual selection in humans concerns the concept of sexual selection, introduced by Charles Darwin as an element of his theory of natural selection, as it affects humans. Sexual selection is a biological way one sex chooses a mate for the best reproductive success. Most compete with others of the same sex for the best mate to contribute their genome for future generations. This has shaped human evolution for many years, but reasons why humans choose their mates are not fully understood. Sexual selection is quite different in non-human animals than humans as they feel more of the evolutionary pressures to reproduce and can easily reject a mate. The role of sexual selection in human evolution has not been firmly established although neoteny has been cited as being caused by human sexual selection. It has been suggested that sexual selection played a part in the evolution of the anatomically modern human brain, i.e. the structures responsible for social intelligence underwent positive selection as a sexual ornamentation to be used in courtship rather than for survival itself, and that it has developed in ways outlined by Ronald Fisher in the Fisherian runaway model. Fisher also stated that the development of sexual selection was "more favourable" in humans.

In sexual relationships, concepts of age disparity, including what defines an age disparity, have developed over time and vary among societies. Differences in age preferences for mates can stem from partner availability, gender roles, and evolutionary mating strategies, and age preferences in sexual partners may vary cross-culturally. There are also social theories for age differences in relationships as well as suggested reasons for 'alternative' age-hypogamous relationships. Age-disparate relationships have been documented for most of recorded history and have been regarded with a wide range of attitudes dependent on sociocultural norms and legal systems.

Mate preferences in humans refers to why one human chooses or chooses not to mate with another human and their reasoning why. Men and women have been observed having different criteria as what makes a good or ideal mate. A potential mate's socioeconomic status has also been seen important, especially in developing areas where social status is more emphasized.

<span class="mw-page-title-main">Human mating strategies</span> Courtship behavior of humans

In evolutionary psychology and behavioral ecology, human mating strategies are a set of behaviors used by individuals to select, attract, and retain mates. Mating strategies overlap with reproductive strategies, which encompass a broader set of behaviors involving the timing of reproduction and the trade-off between quantity and quality of offspring.

Female intrasexual competition is competition between women over a potential mate. Such competition might include self-promotion, derogation of other women, and direct and indirect aggression toward other women. Factors that influence female intrasexual competition include the genetic quality of available mates, hormone levels, and interpersonal dynamics.

<span class="mw-page-title-main">Mate guarding in humans</span> Behaviours used to retain a mate

Human mate guarding refers to behaviours employed by both males and females with the aim of maintaining reproductive opportunities and sexual access to a mate. It involves discouraging the current mate from abandoning the relationship whilst also warding off intrasexual rivals. It has been observed in many non-human animals, as well as humans. Sexual jealousy is a prime example of mate guarding behaviour. Both males and females use different strategies to retain a mate and there is evidence that suggests resistance to mate guarding also exists.

In humans, males and females differ in their strategies to acquire mates and focus on certain qualities. There are two main categories of strategies that both sexes utilize: short-term and long-term. Human mate choice, an aspect of sexual selection in humans, depends on a variety of factors, such as ecology, demography, access to resources, rank/social standing, genes, and parasite stress.

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