Is friendship akin to kinship
TL;DR: A domain-specific over a domain-general approach to understanding intimate relationships is supported and a number of interesting questions about the modular structure of cognitive and affective processes involved in these relationships are raised.
About: This article is published in Evolution and Human Behavior.The article was published on 2007-09-01 and is currently open access. It has received 125 citations till now. The article focuses on the topics: Kin recognition & Kinship.
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TL;DR: Data from six studies conducted in California, Hawaii, Dominica, Belgium, and Argentina support past findings regarding the role of MPA and coresidence duration as cues to siblingship and explore whether paternal perinatal association (PPA) informs sibship.
Abstract: Genetic relatedness is a fundamental determinant of social behavior across species Over the last few decades, researchers have been investigating the proximate psychological mechanisms that enable humans to assess their genetic relatedness to others Much of this work has focused on identifying cues that predicted relatedness in ancestral environments and examining how they regulate kin-directed behaviors Despite progress, many basic questions remain unanswered Here we address three of these questions First, we examine the replicability of the effect of two association-based cues to relatedness-maternal perinatal association (MPA) and coresidence duration-on sibling-directed altruism MPA, the observation of a newborn being cared for by one's mother, strongly signals relatedness, but is only available to the older sibling in a sib-pair Younger siblings, to whom the MPA cue is not available, appear to fall back on the duration of their coresidence with an older sibling Second, we determine whether the effects of MPA and coresidence duration on sibling-directed altruism obtain across cultures Last, we explore whether paternal perinatal association (PPA) informs sibship Data from six studies conducted in California, Hawaii, Dominica, Belgium, and Argentina support past findings regarding the role of MPA and coresidence duration as cues to siblingship By contrast, PPA had no effect on altruism We report on levels of altruism toward full, half, and step siblings, and discuss the role alternate cues might play in discriminating among these types of siblings (PsycINFO Database Record
36 citations
01 Jan 2011
TL;DR: The study of capuchin monkeys can tell us quite a lot about how, when, and with whom to cooperate, perhaps providing insight into the design and implementation of the authors' own human cooperative institutions.
Abstract: Nature may be red in tooth and claw, but working together with one’s group mates can be an efficient way to increase fitness. Cooperation is common, for example, among capuchin monkeys. These monkeys are not only willing to help others obtain resources, but are more likely to share with individuals who help them. Cooperation can be risky, however, and not surprisingly capuchins are much less likely to cooperate when a partner is able to monopolize the reward. However, they also pay attention to the partner’s behavior; monkeys that share with their partners promote successful cooperation, and thus actually receive more benefits over the long term than those who always claim the best rewards for themselves. The ability to recognize inequity may be a mechanism by which the monkeys determine which partners are the best collaborators. The study of capuchin monkeys can tell us quite a lot about how, when, and with whom to cooperate, perhaps providing insight into the design and implementation of our own human cooperative institutions.
35 citations
Cites background from "Is friendship akin to kinship"
...This chapter considers the many ways that contributing to collective outcomes can enhance the fitness of the individual, but also how difficult cooperation can be to maintain....
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TL;DR: In this paper, the authors propose an integrative framework of relationship regulation across the lifespan that builds on two basic psychological principles of social behavior: the regulation of closeness and the monitoring of reciprocity.
34 citations
Cites background from "Is friendship akin to kinship"
...Recently, Ackerman et al. (2007) demonstrated that especially women treat friends more like kin whereas men tend to treat friends more like unrelated strangers....
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TL;DR: It was found that unrelated third- party descriptions elicited less disgust than related third-party and participant descriptions, suggesting that the strength of inbreeding aversion is predicted by inclusive fitness costs.
Abstract: It is expected that in humans, the lowered fitness of inbred offspring has produced a sexual aversion between close relatives. Generally, the strength of this aversion depends on the degree of relatedness between two individuals, with closer relatives inciting greater aversion than more distant relatives. Individuals are also expected to oppose acts of inbreeding that do not include the self, as inbreeding between two individuals posits fitness costs not only to the individuals involved in the sexual act, but also to their biological relatives. Thus, the strength of inbreeding aversion should be predicted by the fitness costs an inbred child posits to a given individual, irrespective of this individual’s actual involvement in the sexual act. To test this prediction, we obtained information about the family structures of 663 participants, who reported the number of same-sex siblings, opposite-sex siblings, opposite-sex half siblings and opposite-sex cousins. Each participant was presented with three different types of inbreeding scenarios: 1) Participant descriptions, in which participants themselves were described as having sex with an actual opposite-sex relative (sibling, half sibling, or cousin); 2) Related third-party descriptions, in which participants’ actual same-sex siblings were described as having sex with their actual opposite-sex relatives; 3) Unrelated third-party descriptions, in which individuals of the same sex as the participants but unrelated to them were described as having sex with opposite-sex relatives. Participants rated each description on the strength of sexual aversion (i.e., disgust-reaction). We found that unrelated third-party descriptions elicited less disgust than related third-party and participant descriptions. Related third-party and participant descriptions elicited similar levels of disgust suggesting that the strength of inbreeding aversion is predicted by inclusive fitness costs. Further, in the related and unrelated conditions alike, the strength of inbreeding aversion was positively associated with the degree of relatedness between those described in the descriptions.
29 citations
TL;DR: In this article, the authors propose a theoretical framework for the study of evolution and religion, and discuss implications of this theoretical framework on the field of evolutionary biology and evolutionary psychology, and provide testable hypotheses.
Abstract: Evolutionary theorists have explained universals in religion, but no integrative theory exists to explain why multiple aspects of religion vary within and between individuals and groups. We propose how four dimensions of religions – beliefs about nonhuman agents, religious rituals, community structures, and moral concerns and values – may change in response to the fundamental social goals of self-protection, disease avoidance, coalition formation, status seeking, mating and mate retention, and kin care. We review empirical research and provide testable hypotheses, and finally discuss implications of this theoretical framework for the study of evolution and religion.
28 citations
References
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Book•
01 Jan 1935
TL;DR: In this paper, Neuberg and Heine discuss the notion of belonging, acceptance, belonging, and belonging in the social world, and discuss the relationship between friendship, membership, status, power, and subordination.
Abstract: VOLUME 2. Part III: The Social World. 21. EVOLUTIONARY SOCIAL PSYCHOLOGY (Steven L. Neuberg, Douglas T. Kenrick, and Mark Schaller). 22. MORALITY (Jonathan Haidt and Selin Kesebir). 23. AGGRESSION (Brad J. Bushman and L. Rowell Huesmann). 24. AFFILIATION, ACCEPTANCE, AND BELONGING: THE PURSUIT OF INTERPERSONAL CONNECTION (Mark R. Leary). 25. CLOSE RELATIONSHIPS (Margaret S. Clark and Edward P. Lemay, Jr.). 26. INTERPERSONAL STRATIFICATION: STATUS, POWER, AND SUBORDINATION (Susan T. Fiske). 27. SOCIAL CONFLICT: THE EMERGENCE AND CONSEQUENCES OF STRUGGLE AND NEGOTIATION (Carsten K. W. De Dreu). 28. INTERGROUP RELATIONS 1(Vincent Yzerbyt and Stephanie Demoulin). 29. INTERGROUP BIAS (John F. Dovidio and Samuel L. Gaertner). 30. SOCIAL JUSTICE: HISTORY, THEORY, AND RESEARCH (John T. Jost and Aaron C. Kay). 31. INFLUENCE AND LEADERSHIP (Michael A. Hogg). 32. GROUP BEHAVIOR AND PERFORMANCE (J. Richard Hackman and Nancy Katz). 33. ORGANIZATIONAL PREFERENCES AND THEIR CONSEQUENCES (Deborah H. Gruenfeld and Larissa Z. Tiedens). 34. THE PSYCHOLOGICAL UNDERPINNINGS OF POLITICAL BEHAVIOR (Jon A. Krosnick, Penny S. Visser, and Joshua Harder). 35. SOCIAL PSYCHOLOGY AND LAW (Margaret Bull Kovera and Eugene Borgida). 36. SOCIAL PSYCHOLOGY AND LANGUAGE: WORDS, UTTERANCES, AND CONVERSATIONS (Thomas Holtgraves). 37. CULTURAL PSYCHOLOGY (Steven J. Heine). AUTHOR INDEX. SUBJECT INDEX.
13,453 citations
12 Jul 2017
TL;DR: The p,cnetics of sex nas now becn clarif ied, and Fishcr ( 1958 ) hrs produccd , n,od"l to cxplarn sex ratios at coDception, a nrodel recently extendcd to include special mccha_ nisms that operate under inbreeding (Hunrilron I96?).
Abstract: There is a tendency among biologists studying social behavior to regard the adult sex ratio as an independent variable to which the species reacts with appropriate adaptations D Lack often interprets social behavior as an adaptation in part to an unbalanced (or balanced) sex ratio, and J Verner has summarized other instances of this tendency The only mechanism that will generate differential mortality independent of sexual differences clearly related to parental investment and sexual selection is the chromosomal mechanism, applied especially to humans and other mammals: the unguarded X chromosome of the male is presumed to predispose him to higher mortality Each offspring can be viewed as an investment independent of other offspring, increasing investment in one offspring tending to decrease investment in others Species can be classified according to the relative parental investment of the sexes in their young In the vast majority of species, the male's only contribution to the survival of his offspring is his sex cells
10,571 citations
"Is friendship akin to kinship" refers background in this paper
...A second line of reasoning applies more clearly to cross-sex friendships and draws on the logic of differential parental investment which suggests that, compared to men, women are likely to be more cautious and risk-averse in their approach to mating (Trivers, 1972)....
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...In line with the immense literature on differential parental investment (Trivers, 1972), it also makes sense that these modules would operate somewhat differently for males and females....
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Book•
01 Jan 1959
TL;DR: In this article, the authors focus on patterns of interdependence and assume that these patterns play an important causal role in the processes, roles, and norms of relationships in interpersonal relations.
Abstract: This landmark theory of interpersonal relations and group functioning argues that the starting point for understanding social behavior is the analysis of dyadic interdependence. Such an analysis portrays the ways in which the separate and joint actions of two persons affect the quality of their lives and the survival of their relationship. The authors focus on patterns of interdependence, and on the assumption that these patterns play an important causal role in the processes, roles, and norms of relationships. This powerful theory has many applications in all the social sciences, including the study of social and moral norms; close-pair relationships; conflicts of interest and cognitive disputes; social orientations; the social evolution of economic prosperity and leadership in groups; and personal relationships.
5,869 citations
TL;DR: In the second series of experiments, it was found that the maximum joint profit independent of group membership did not affect significantly the manner in which the subjects divided real pecuniary rewards; however, maximum profit for own group did affect the distribution of rewards; and the clearest effect on the subject's attempt to achieve a maximum difference between the ingroup and the outgroup even at the price of sacrificing other "objective" advantages.
Abstract: The aim of the studies was to assess the effefcs of social categorization on intergroup behaviour when, in the intergroup situation, neither calculations of individual interest nor previously existing attitudes of hostility could have been said to have determined discriminative behaviour against an outgroup. These conditions were satisfied in the experimental design. In the first series of experiments, it was found that the subjects favoured their own group in the distribution of real rewards and penalities in a situation in which nothing but the variable of fairly irrelevant classification distinguished between the ingroup and the outgroup. In the second series of experiments it was found that: 1) maximum joint profit independent of group membership did not affect significantly the manner in which the subjects divided real pecuniary rewards; 2) maximum profit for own group did affect the distribution of rewards; 3) the clearest effect on the distribution of rewards was due to the subjects' attempt to achieve a maximum difference between the ingroup and the outgroup even at the price of sacrificing other ‘objective’ advantages.
The design and the results of the study are theoretically discussed within the framework of social norms and expectations and particularly in relation to a ‘generic’ norm of outgroup behaviour prevalent in some societies.
4,523 citations