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  • 1.
    Barclay, Kieron
    et al.
    Stockholms universitet, Samhällsvetenskapliga fakulteten, Sociologiska institutionen. London School of Economics and Political Science, UK; Max Planck Institute for Demographic Research, Germany.
    Kolk, Martin
    Stockholms universitet, Samhällsvetenskapliga fakulteten, Sociologiska institutionen. Stockholms universitet, Humanistiska fakulteten, Institutionen för arkeologi och antikens kultur, Centrum för evolutionär kulturforskning. Institute for Futures Studies, Sweden.
    The Long-Term Cognitive and Socioeconomic Consequences of Birth Intervals: A Within-Family Sibling Comparison Using Swedish Register Data2017Inngår i: Demography, ISSN 0070-3370, E-ISSN 1533-7790, Vol. 54, nr 2, 459-484 s.Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    We examine the relationship between birth-to-birth intervals and a variety of mid- and long-term cognitive and socioeconomic outcomes, including high school GPA, cognitive ability, educational attainment, earnings, unemployment status, and receiving government welfare support. Using contemporary Swedish population register data and a within-family sibling comparison design, we find that neither the birth interval preceding the index person nor the birth interval following the index person are associated with any substantively meaningful changes in mid- or long-term outcomes. This is true even for individuals born before or after birth-to-birth intervals of less than 12 months. We conclude that in a contemporary high-income welfare state, there appears to be no relationship between unusually short or long birth intervals and adverse long-term outcomes.

  • 2.
    Cownden, Daniel
    et al.
    Stockholms universitet, Humanistiska fakulteten, Institutionen för arkeologi och antikens kultur, Centrum för evolutionär kulturforskning. University of Glasgow, United Kingdom.
    Eriksson, Kimmo
    Stockholms universitet, Humanistiska fakulteten, Institutionen för arkeologi och antikens kultur, Centrum för evolutionär kulturforskning. Mälardalen University, Sweden.
    Strimling, Pontus
    Stockholms universitet, Humanistiska fakulteten, Institutionen för arkeologi och antikens kultur, Centrum för evolutionär kulturforskning. Institute for Futures Studies, Sweden.
    A popular misapplication of evolutionary modeling to the study of human cooperation2017Inngår i: Evolution and human behavior, ISSN 1090-5138, E-ISSN 1879-0607, Vol. 38, nr 3, 421-427 s.Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    To examine the evolutionary basis of a behavior, an established approach (known as the phenotypic gambit) is to assume that the behavior is controlled by a single allele, the fitness effects of which are derived from a consideration of how the behavior interacts, via life-history, with other ecological factors. Here we contrast successful applications of this approach with several examples of an influential and superficially similar line of research on the evolutionary basis of human cooperation. A key difference is identified: in the latter line of research the focal behavior, cooperation, is abstractly defined in terms of immediate fitness costs and benefits. Selection is then assumed to act on strategies in an iterated social context for which fitness effects can be derived by aggregation of the abstractly defined immediate fitness effects over a lifetime. This approach creates a closed theoretical loop, rendering models incapable of making predictions or providing insight into the origin of human cooperation. We conclude with a discussion of how evolutionary approaches might be appropriately used in the study of human social behavior.

  • 3.
    Enquist, Magnus
    et al.
    Stockholms universitet, Humanistiska fakulteten, Institutionen för arkeologi och antikens kultur, Centrum för evolutionär kulturforskning. Stockholms universitet, Naturvetenskapliga fakulteten, Zoologiska institutionen.
    Lind, Johan
    Stockholms universitet, Humanistiska fakulteten, Institutionen för arkeologi och antikens kultur, Centrum för evolutionär kulturforskning.
    Ghirlanda, Stefano
    Stockholms universitet, Humanistiska fakulteten, Institutionen för arkeologi och antikens kultur, Centrum för evolutionär kulturforskning. Brooklyn College, USA; Graduate Center of the City University of New York, USA.
    The power of associative learning and the ontogeny of optimal behaviour2016Inngår i: Royal Society Open Science, E-ISSN 2054-5703, Vol. 3, nr 11, 160734Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    Behaving efficiently (optimally or near-optimally) is central to animals' adaptation to their environment. Much evolutionary biology assumes, implicitly or explicitly, that optimal behavioural strategies are genetically inherited, yet the behaviour of many animals depends crucially on learning. The question of how learning contributes to optimal behaviour is largely open. Here we propose an associative learning model that can learn optimal behaviour in a wide variety of ecologically relevant circumstances. The model learns through chaining, a term introduced by Skinner to indicate learning of behaviour sequences by linking together shorter sequences or single behaviours. Our model formalizes the concept of conditioned reinforcement (the learning process that underlies chaining) and is closely related to optimization algorithms from machine learning. Our analysis dispels the common belief that associative learning is too limited to produce ‘intelligent’ behaviour such as tool use, social learning, self-control or expectations of the future. Furthermore, the model readily accounts for both instinctual and learned aspects of behaviour, clarifying how genetic evolution and individual learning complement each other, and bridging a long-standing divide between ethology and psychology. We conclude that associative learning, supported by genetic predispositions and including the oft-neglected phenomenon of conditioned reinforcement, may suffice to explain the ontogeny of optimal behaviour in most, if not all, non-human animals. Our results establish associative learning as a more powerful optimizing mechanism than acknowledged by current opinion.

  • 4.
    Eriksson, Kimmo
    et al.
    Stockholms universitet, Humanistiska fakulteten, Institutionen för arkeologi och antikens kultur, Centrum för evolutionär kulturforskning. Mälardalen University, Sweden.
    Andersson, Per A.
    Strimling, Pontus
    Stockholms universitet, Humanistiska fakulteten, Institutionen för arkeologi och antikens kultur, Centrum för evolutionär kulturforskning. Institute for Futures Studies, Sweden.
    When is it appropriate to reprimand a norm violation? The roles of anger, behavioral consequences, violation severity, and social distance2017Inngår i: Judgment and decision making, ISSN 1930-2975, E-ISSN 1930-2975, Vol. 12, nr 4, 396-407 s.Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    Experiments on economic games typically fail to find positive reputational effects of using peer punishment of selfish behavior in social dilemmas. Theorists had expected positive reputational effects because of the potentially beneficial consequences that punishment may have on norm violators' behavior. Going beyond the game-theoretic paradigm, we used vignettes to study how various social factors influence approval ratings of a peer who reprimands a violator of a group-beneficial norm. We found that ratings declined when punishers showed anger, and this effect was mediated by perceived aggressiveness. Thus the same emotions that motivate peer punishers may make them come across as aggressive, to the detriment of their reputation. However, the negative effect of showing anger disappeared when the norm violation was sufficiently severe. Ratings of punishers were also influenced by social distance, such that it is less appropriate for a stranger than a friend to reprimand a violator. In sum, peer punisher ratings were very high for a friend reprimanding a severe norm violation, but particularly poor for a stranger showing anger at a mild norm violation. We found no effect on ratings of whether the reprimand had the beneficial consequence of changing the violator's behavior. Our findings provide insight into how peer punishers can avoid negative reputational effects. They also point to the importance of going beyond economic games when studying peer punishment.

  • 5.
    Eriksson, Kimmo
    et al.
    Stockholms universitet, Humanistiska fakulteten, Institutionen för arkeologi och antikens kultur, Centrum för evolutionär kulturforskning. Mälardalen University, Sweden.
    Cownden, Daniel
    Stockholms universitet, Humanistiska fakulteten, Institutionen för arkeologi och antikens kultur, Centrum för evolutionär kulturforskning. INgrooves, Canada.
    Strimling, Pontus
    Stockholms universitet, Humanistiska fakulteten, Institutionen för arkeologi och antikens kultur, Centrum för evolutionär kulturforskning. Institute for Futures Studies, Sweden.
    Social learning may lead to population level conformity without individual level frequency bias2017Inngår i: Scientific Reports, ISSN 2045-2322, E-ISSN 2045-2322, Vol. 7, 17341Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    A requirement of culture, whether animal or human, is some degree of conformity of behavior within populations. Researchers of gene-culture coevolution have suggested that population level conformity may result from frequency-biased social learning: individuals sampling multiple role models and preferentially adopting the majority behavior in the sample. When learning from a single role model, frequency-bias is not possible. We show why a population-level trend, either conformist or anticonformist, may nonetheless be almost inevitable in a population of individuals that learn through social enhancement, that is, using observations of others' behavior to update their own probability of using a behavior in the future. The exact specification of individuals' updating rule determines the direction of the trend. These results offer a new interpretation of previous findings from simulations of social enhancement in combination with reinforcement learning, and demonstrate how results of dynamical models may strongly depend on seemingly innocuous choices of model specifications, and how important it is to obtain empirical data on which to base such choices.

  • 6.
    Eriksson, Kimmo
    et al.
    Stockholms universitet, Humanistiska fakulteten, Institutionen för arkeologi och antikens kultur, Centrum för evolutionär kulturforskning. Mälardalen University, Sweden.
    Jansson, Fredrik
    Stockholms universitet, Humanistiska fakulteten, Institutionen för arkeologi och antikens kultur, Centrum för evolutionär kulturforskning. Linköping University, Sweden.
    Procedural priming of a numerical cognitive illusion2016Inngår i: Judgment and decision making, ISSN 1930-2975, E-ISSN 1930-2975, Vol. 11, nr 3, 205-212 s.Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    A strategy activated in one task may be transferred to subsequent tasks and prevent activation of other strategies that would otherwise come to mind, a mechanism referred to as procedural priming. In a novel application of procedural priming we show that it can make or break cognitive illusions. Our test case is the 1/k illusion, which is based on the same unwarranted mathematical shortcut as the MPG illusion and the time-saving bias. The task is to estimate distances between values of fractions on the form 1/k. Most people given this task intuitively base their estimates on the distances between the denominators (i.e., the reciprocals of the fractions), which may yield very poor estimations of the true distances between the fractions. As expected, the tendency to fall for this illusion is related to cognitive style (Study 1). In order to apply procedural priming we constructed versions of the task in which the illusion is weak, in the sense that most people do not fall for it anymore. We then gave participants both strong illusion and weak illusion versions of the task (Studies 2 and 3). Participants who first did the task in the weak illusion version would often persist with the correct strategy even in the strong illusion version, thus breaking the otherwise strong illusion in the latter task. Conversely, participants who took the strong illusion version first would then often fall for the illusion even in the weak illusion version, thus strengthening the otherwise weak illusion in the latter task.

  • 7.
    Eriksson, Kimmo
    et al.
    Stockholms universitet, Humanistiska fakulteten, Institutionen för arkeologi och antikens kultur, Centrum för evolutionär kulturforskning. Mälardalen University, Sweden.
    Strimling, Pontus
    Stockholms universitet, Humanistiska fakulteten, Institutionen för arkeologi och antikens kultur, Centrum för evolutionär kulturforskning. Linköping University, Sweden; Institute for Futures Studies, Sweden.
    Andersson, Per A.
    Stockholms universitet, Humanistiska fakulteten, Institutionen för arkeologi och antikens kultur, Centrum för evolutionär kulturforskning. Linköping University, Sweden.
    Lindholm, Torun
    Stockholms universitet, Samhällsvetenskapliga fakulteten, Psykologiska institutionen, Personlighets-, social- och utvecklingspsykologi.
    Costly punishment in the ultimatum game evokes moral concern, in particular when framed as payoff reduction2017Inngår i: Journal of Experimental Social Psychology, ISSN 0022-1031, E-ISSN 1096-0465, Vol. 69, 59-64 s.Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    The ultimatum game is a common economic experiment in which some participants reject another's unfair offer of how to split some money, even though it leaves them both worse off. This costly behavior can be seen as enforcement of a fairness norm and has been labeled “altruistic punishment”, suggesting that it is a moral thing to do. But is this behavior viewed as moral by participants? Is it viewed as punishment? And are the payoff consequences of the behavior sufficient to determine the answers to these questions? To investigate this we framed costly punishment in two different ways: either as rejection of an offer (the standard ultimatum game framing) or as reduction of payoff. In a series of paid and hypothetical experiments we found that moral concerns about costly punishment depended on the framing. Specifically, the reduction frame elicited more moral concern about, and less use of, costly punishment than did the rejection frame. Several implications are discussed.

  • 8.
    Ghirlanda, Stefano
    Stockholms universitet, Humanistiska fakulteten, Institutionen för arkeologi och antikens kultur, Centrum för evolutionär kulturforskning. Brooklyn College, USA; CUNY Graduate Center, USA.
    Can squirrel monkeys learn an AB(n)A grammar? A re-evaluation of Ravignani et al. (2013)2017Inngår i: PeerJ, ISSN 2167-8359, E-ISSN 2167-8359, Vol. 5, e3806Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    Ravignani et al (2013) abituated squirrel monkeys to sound sequences conforming to an ABnA grammar (n = 1, 2, 3), then tested them for their reactions to novel grammatical and non -grammatical sequences. Although they conclude that the monkeys consistently recognized and generalized the sequence AB(n)A, I remark that this conclusion is not robust. The statistical significance of results depends on specific choices of data analysis, namely dichotomization of the response variable and omission of specific data points. Additionally, there is little evidence of generalization to novel patterns (n = 4, 5), which is important to conclude that the monkeys recognized the AB(n)A grammar beyond the habituation patterns. Lastly, many test sequences were perceptually similar to habituation sequences, raising the possibility that the monkeys may have generalized based on perceptual similarity rather than based on grammaticality.

  • 9.
    Ghirlanda, Stefano
    et al.
    Stockholms universitet, Humanistiska fakulteten, Institutionen för arkeologi och antikens kultur, Centrum för evolutionär kulturforskning. Brooklyn College, USA; Graduate Center of the City University of New York, USA.
    Lind, Johan
    Stockholms universitet, Humanistiska fakulteten, Institutionen för arkeologi och antikens kultur, Centrum för evolutionär kulturforskning.
    Enquist, Magnus
    Stockholms universitet, Naturvetenskapliga fakulteten, Zoologiska institutionen. Stockholms universitet, Humanistiska fakulteten, Institutionen för arkeologi och antikens kultur, Centrum för evolutionär kulturforskning.
    Memory for stimulus sequences: a divide between humans and other animals?2017Inngår i: Royal Society Open Science, E-ISSN 2054-5703, Vol. 4, nr 6, 161011Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    Humans stand out among animals for their unique capacities in domains such as language, culture and imitation, yet it has been difficult to identify cognitive elements that are specifically human. Most research has focused on how information is processed after it is acquired, e.g. in problem solving or 'insight' tasks, but we may also look for species differences in the initial acquisition and coding of information. Here, we show that non-human species have only a limited capacity to discriminate ordered sequences of stimuli. Collating data from 108 experiments on stimulus sequence discrimination (1540 data points from 14 bird and mammal species), we demonstrate pervasive and systematic errors, such as confusing a red-green sequence of lights with green-red and green-green sequences. These errors can persist after thousands of learning trials in tasks that humans learn to near perfection within tens of trials. To elucidate the causes of such poor performance, we formulate and test a mathematical model of non-human sequence discrimination, assuming that animals represent sequences as unstructured collections of memory traces. This representation carries only approximate information about stimulus duration, recency, order and frequency, yet our model predicts non-human performance with a 5.9% mean absolute error across 68 datasets. Because human-level cognition requires more accurate encoding of sequential information than afforded by memory traces, we conclude that improved coding of sequential information is a key cognitive element that may set humans apart from other animals.

  • 10.
    Isaksson, Sven
    et al.
    Stockholms universitet, Humanistiska fakulteten, Institutionen för arkeologi och antikens kultur, Centrum för evolutionär kulturforskning. Stockholms universitet, Humanistiska fakulteten, Institutionen för arkeologi och antikens kultur, Arkeologiska forskningslaboratoriet.
    Funcke, Alexander
    Stockholms universitet, Humanistiska fakulteten, Institutionen för arkeologi och antikens kultur, Centrum för evolutionär kulturforskning. University of Pennsylvania, USA.
    Envall, Ida
    Stockholms universitet, Humanistiska fakulteten, Institutionen för arkeologi och antikens kultur, Centrum för evolutionär kulturforskning.
    Enquist, Magnus
    Stockholms universitet, Humanistiska fakulteten, Institutionen för arkeologi och antikens kultur, Centrum för evolutionär kulturforskning.
    Lindenfors, Patrik
    Stockholms universitet, Humanistiska fakulteten, Institutionen för arkeologi och antikens kultur, Centrum för evolutionär kulturforskning. Stockholms universitet, Naturvetenskapliga fakulteten, Zoologiska institutionen, Avdelningen för zoologisk ekologi.
    A Novel Method to Analyze Social Transmission in Chronologically Sequenced Assemblages, Implemented on Cultural Inheritance of the Art of Cooking2015Inngår i: PLoS ONE, ISSN 1932-6203, E-ISSN 1932-6203, Vol. 10, nr 5, e0122092Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    Here we present an analytical technique for the measurement and evaluation of changes in chronologically sequenced assemblages. To illustrate the method, we studied the cultural evolution of European cooking as revealed in seven cook books dispersed over the past 800 years. We investigated if changes in the set of commonly used ingredients were mainly gradual or subject to fashion fluctuations. Applying our method to the data from the cook books revealed that overall, there is a clear continuity in cooking over the ages - cooking is knowledge that is passed down through generations, not something (re-) invented by each generation on its own. Looking at three main categories of ingredients separately (spices, animal products and vegetables), however, disclosed that all ingredients do not change according to the same pattern. While choice of animal products was very conservative, changing completely sequentially, changes in the choices of spices, but also of vegetables, were more unbounded. We hypothesize that this may be due a combination of fashion fluctuations and changes in availability due to contact with the Americas during our study time period. The presented method is also usable on other assemblage type data, and can thus be of utility for analyzing sequential archaeological data from the same area or other similarly organized material.

  • 11.
    Jansson, Fredrik
    Stockholms universitet, Humanistiska fakulteten, Institutionen för arkeologi och antikens kultur, Centrum för evolutionär kulturforskning. Mälardalen University, Sweden; Linköping University, Sweden.
    Using register data to deduce patterns of social exchange2017Inngår i: Scandinavian Journal of Public Health, ISSN 1403-4948, E-ISSN 1651-1905, Vol. 45, 56-61 s.Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    This paper presents a novel method for deducting propensities for social exchange between individuals based on the choices they make, and based on factors such as country of origin, sex, school grades and socioeconomic background. The objective here is to disentangle the effect of social ties from the other factors, in order to find patterns of social exchange. This is done through a control-treatment design on analysing available data, where the treatment' is similarity of choices between socially connected individuals, and the control is similarity of choices between non-connected individuals. Structural dependencies are controlled for and effects from different classes are pooled through a mix of methods from network and meta-analysis. The method is demonstrated and tested on Swedish register data on students at upper secondary school. The results show that having similar grades is a predictor of social exchange. Also, previous results from Norwegian data are replicated, showing that students cluster based on country of origin.

  • 12.
    Jarrick, Arne
    Stockholms universitet, Humanistiska fakulteten, Institutionen för arkeologi och antikens kultur, Centrum för evolutionär kulturforskning.
    Den svåra vägen till kunskap2016Inngår i: Sans: existentiellt magasin i upplysningens anda, ISSN 2000-9690, nr 4Artikkel i tidsskrift (Annet (populærvitenskap, debatt, mm))
  • 13.
    Jarrick, Arne
    Stockholms universitet, Humanistiska fakulteten, Institutionen för arkeologi och antikens kultur, Centrum för evolutionär kulturforskning.
    Det finns inga häxor: en bok om kunskap2017Bok (Annet (populærvitenskap, debatt, mm))
  • 14.
    Jarrick, Arne
    Stockholms universitet, Humanistiska fakulteten, Institutionen för arkeologi och antikens kultur, Centrum för evolutionär kulturforskning.
    Känslor i krig. Sensibilitet och emotionella strategier bland svenska officerare 1788–1814, Hugo Nordland, Agering, 2015, 282 s.2016Inngår i: Scandia, ISSN 0036-5483, Vol. 82, nr 2, 122-124 s.Artikkel, omtale (Annet vitenskapelig)
  • 15.
    Jarrick, Arne
    Stockholms universitet, Humanistiska fakulteten, Institutionen för arkeologi och antikens kultur, Centrum för evolutionär kulturforskning.
    Postmodernisternas dubbla budskap2016Inngår i: Sans: existentiellt magasin i upplysningens anda, ISSN 2000-9690, nr 1Artikkel i tidsskrift (Annet (populærvitenskap, debatt, mm))
  • 16.
    Jarrick, Arne
    Stockholms universitet, Humanistiska fakulteten, Institutionen för arkeologi och antikens kultur, Centrum för evolutionär kulturforskning.
    Samla er till större och färre frågor, humanister! En diskussion om det humanvetenskapliga uppdraget2016Inngår i: Kungl. Vitterhets Historie och Antikvitets Akademiens årsbok, Stockholm: Kungl. Vitterhets Historie och Antikvitets Akademien, 2016, 135-146 s.Kapittel i bok, del av antologi (Annet vitenskapelig)
  • 17.
    Jarrick, Arne
    Stockholms universitet, Humanistiska fakulteten, Institutionen för arkeologi och antikens kultur, Centrum för evolutionär kulturforskning.
    Skarpa argument mot konstruktivismen: Paul Boghossian, Rädslan för kunskap (Fear of Knowledge – Against Relativism and Constructivism)2016Inngår i: Respons : recensionstidskrift för humaniora & samhällsvetenskap, ISSN 2001-2292, nr 3Artikkel, omtale (Annet vitenskapelig)
  • 18.
    Jarrick, Arne
    et al.
    Stockholms universitet, Humanistiska fakulteten, Institutionen för arkeologi och antikens kultur, Centrum för evolutionär kulturforskning.
    Björkman, Jenny
    Religionen tur och retur: RJ:s årsbok 2017/20182017Konferanseproceedings (Annet vitenskapelig)
  • 19.
    Jarrick, Arne
    et al.
    Stockholms universitet, Humanistiska fakulteten, Institutionen för arkeologi och antikens kultur, Centrum för evolutionär kulturforskning.
    Danielsson, Ulf
    Hansson, Göran K.
    Heldin, Carl-Henrik
    Häggström, Olle
    Lidén, Kerstin
    Moberg, Christina
    Svallfors, Stefan
    Wiberg, Marie
    Vill vi ha tio år av kortsiktig forskningspolitik?2016Inngår i: Svenska dagbladet, ISSN 1101-2412Artikkel i tidsskrift (Annet (populærvitenskap, debatt, mm))
  • 20.
    Jarrick, Arne
    et al.
    Stockholms universitet, Humanistiska fakulteten, Institutionen för arkeologi och antikens kultur, Centrum för evolutionär kulturforskning.
    Myrdal, Janken
    Stockholms universitet, Samhällsvetenskapliga fakulteten, Ekonomisk-historiska institutionen.
    De stora forskningsfrågorna om människans villkor2015Inngår i: Respons : recensionstidskrift för humaniora & samhällsvetenskap, ISSN 2001-2292, nr 5Artikkel i tidsskrift (Annet vitenskapelig)
  • 21.
    Jarrick, Arne
    et al.
    Stockholms universitet, Humanistiska fakulteten, Institutionen för arkeologi och antikens kultur, Centrum för evolutionär kulturforskning.
    Myrdal, Janken
    Stockholms universitet, Samhällsvetenskapliga fakulteten, Ekonomisk-historiska institutionen.
    Wallenberg Bondesson, Maria
    Globalization and world history2016Inngår i: Methods in world history: a critical approach / [ed] Arne Jarrick, Janken Myrdal, Maria Wallenberg Bondesson, Lund: Nordic Academic Press, 2016, 7-18 s.Kapittel i bok, del av antologi (Fagfellevurdert)
  • 22.
    Jarrick, Arne
    et al.
    Stockholms universitet, Humanistiska fakulteten, Institutionen för arkeologi och antikens kultur, Centrum för evolutionär kulturforskning.
    Myrdal, JankenStockholms universitet, Samhällsvetenskapliga fakulteten, Ekonomisk-historiska institutionen.Wallenberg Bondesson, Maria
    Methods in World History: A Critical Approach2016Collection/Antologi (Fagfellevurdert)
  • 23.
    Jon-And, Anna
    et al.
    Stockholms universitet, Humanistiska fakulteten, Institutionen för arkeologi och antikens kultur, Centrum för evolutionär kulturforskning.
    Avelar, Juanito
    Stockholms universitet, Humanistiska fakulteten, Romanska och klassiska institutionen.
    Álvarez López, Laura
    Stockholms universitet, Humanistiska fakulteten, Romanska och klassiska institutionen.
    Contact, variation and change in Angolan Portuguese: the case of existential constructions in Cabinda2017Inngår i: Bulletin of Hispanic studies (Liverpool. 2002), ISSN 1475-3839, E-ISSN 1478-3398Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    The present paper deals with contact-induced change in existential constructions in the variety of Portuguese spoken in Cabinda, Angola. Portuguese is the official language of Angola, and the officially adopted norm is European Standard Portuguese. The focus of the analysis is on the use of the possessive verb ter ‘to have’ in existential constructions, rather than the existential haver ‘to exist’, which is the standard form in Portugal. The analysis is based on data from 40 interviews with 20 male and 20 female high school Cabinda students between 18 and 30 years of age. The aim is to investigate the role of language contact in the emergence of existential sentences with ter, as well as to verify if the use of ter in existential constructions in Cabinda has the same linguistic constraints as in Brazilian Portuguese. The paper also analyzes social factors related to multilingualism in order to discuss how social and linguistic constraints interact in shaping new varieties, such as Cabinda Portuguese. The conclusion is that the use of ter sentences as existentials in Cabinda Portuguese may be an effect resulting from the confluence of two linguistic factors: (i) changes linked with the pro-drop parameter in Portuguese emerging in Angola, and (ii) the transference of a grammatical property from Bantu languages to Portuguese, specifically, the morphological identity of possessive and existential verbs. Moreover, the only registered social influence over the presence of existential ter constructions is the level of use of Bantu languages, a finding that does not rule out that these constructions may initially have been triggered by more general acquisition effects.

  • 24.
    Lind, Johan
    Stockholms universitet, Humanistiska fakulteten, Institutionen för arkeologi och antikens kultur, Centrum för evolutionär kulturforskning.
    Bivarg Philanthus triangulum2017Inngår i: Fauna och flora : populär tidskrift för biologi, ISSN 0014-8903, Vol. 112, nr 3, 42- s.Artikkel i tidsskrift (Annet (populærvitenskap, debatt, mm))
  • 25.
    Lind, Johan
    Stockholms universitet, Humanistiska fakulteten, Institutionen för arkeologi och antikens kultur, Centrum för evolutionär kulturforskning.
    Inget stöd för att kråkfåglar kan resonera2017Inngår i: Sans, ISSN 2000-9690, nr 3, 10-15 s.Artikkel i tidsskrift (Annet (populærvitenskap, debatt, mm))
  • 26.
    Lind, Johan
    Stockholms universitet, Naturvetenskapliga fakulteten, Zoologiska institutionen. Stockholms universitet, Humanistiska fakulteten, Institutionen för arkeologi och antikens kultur, Centrum för evolutionär kulturforskning.
    Mytomspunna vridvingar - om en dröm som gick i uppfyllelse2014Inngår i: Fauna och flora : populär tidskrift för biologi, ISSN 0014-8903, Vol. 109, nr 2, 2-6 s.Artikkel i tidsskrift (Annet (populærvitenskap, debatt, mm))
    Abstract [sv]

    Ett tips på Facebook vägledde zoologen Johan Lind till hans livs entomologiska dröm, nämligen att få se och fotografera vridvingar. Dessa sällan observerade insekter har en fascinerande livscykel, som delvis pågår inuti sälgsandbin eller andra insekter.

  • 27.
    Lind, Johan
    Stockholms universitet, Humanistiska fakulteten, Institutionen för arkeologi och antikens kultur, Centrum för evolutionär kulturforskning.
    Nobelkommittén gjorde inte hemläxan inför medicinpriset2014Inngår i: Svenska dagbladet, ISSN 1101-2412, nr 22 novemberArtikkel i tidsskrift (Annet (populærvitenskap, debatt, mm))
    Abstract [sv]

    Har Nobelkommittén missat ett sekel av beteendeforskning när de motiverar årets pris med uttalanden om råttors höga intelligens? Den frågar ställer Johan Lind, docent i etologi vid Stockholms universitet.

  • 28.
    Lind, Johan
    Stockholms universitet, Humanistiska fakulteten, Institutionen för arkeologi och antikens kultur, Centrum för evolutionär kulturforskning.
    Näbbars ursprung2017Inngår i: Vår fågelvärld med Fågelvännen, ISSN 2002-2743, nr 4, 20-24 s.Artikkel i tidsskrift (Annet (populærvitenskap, debatt, mm))
  • 29.
    Lind, Johan
    Stockholms universitet, Humanistiska fakulteten, Institutionen för arkeologi och antikens kultur, Centrum för evolutionär kulturforskning.
    Tropikhavens okända djur2017Inngår i: Fauna och flora : populär tidskrift för biologi, ISSN 0014-8903, Vol. 112, nr 2, 32-36 s.Artikkel i tidsskrift (Annet (populærvitenskap, debatt, mm))
  • 30.
    Lind, Johan
    et al.
    Stockholms universitet, Humanistiska fakulteten, Institutionen för arkeologi och antikens kultur, Centrum för evolutionär kulturforskning. Stockholms universitet, Naturvetenskapliga fakulteten, Zoologiska institutionen.
    Lönnberg, Sofie
    Stockholms universitet, Humanistiska fakulteten, Institutionen för arkeologi och antikens kultur, Centrum för evolutionär kulturforskning.
    Persson, Tomas
    Enquist, Magnus
    Stockholms universitet, Humanistiska fakulteten, Institutionen för arkeologi och antikens kultur, Centrum för evolutionär kulturforskning. Stockholms universitet, Naturvetenskapliga fakulteten, Zoologiska institutionen.
    Time Does Not Help Orangutans Pongo abelii Solve Physical Problems2017Inngår i: Frontiers in Psychology, ISSN 1664-1078, E-ISSN 1664-1078, Vol. 8, 161Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    Many questions in animal intelligence and cognition research are challenging. One challenge is to identify mechanisms underlying reasoning in experiments. Here, we provide a way to design such tests in non-human animals. We know from research in skill acquisition in humans that reasoning and thinking can take time because some problems are processed in multiple steps before a solution is reached (e.g., during mental arithmetics). If animals are able to learn through similar processes their decision making can be time consuming, and most importantly improve if more time to process information is allowed. We tested if performance of two Sumatran orangutans (Pongo abelii) increased in a two-choice experiment when they were allowed extra time before making their decisions, compared to when they were forced to decide immediately. We found that the performance of the orangutans did not depend on the time they were allowed to process the information before making their decisions. This methodology provides a potential avenue for empirical tests of mechanisms underlying reasoning in non-human animals.

  • 31.
    Lindenfors, Patrik
    Stockholms universitet, Naturvetenskapliga fakulteten, Zoologiska institutionen, Avdelningen för zoologisk ekologi. Stockholms universitet, Humanistiska fakulteten, Institutionen för arkeologi och antikens kultur, Centrum för evolutionär kulturforskning.
    Det är friheten vi måste försvara2017Inngår i: Sans, ISSN 2000-9690, nr 3Artikkel i tidsskrift (Annet (populærvitenskap, debatt, mm))
  • 32.
    Lindenfors, Patrik
    Stockholms universitet, Naturvetenskapliga fakulteten, Zoologiska institutionen, Avdelningen för zoologisk ekologi. Stockholms universitet, Humanistiska fakulteten, Institutionen för arkeologi och antikens kultur, Centrum för evolutionär kulturforskning.
    Era argument ekar av USA:s kristna höger2017Inngår i: Aftonbladet, ISSN 1103-9000Artikkel i tidsskrift (Annet (populærvitenskap, debatt, mm))
  • 33.
    Lindenfors, Patrik
    Stockholms universitet, Naturvetenskapliga fakulteten, Zoologiska institutionen, Avdelningen för zoologisk ekologi. Stockholms universitet, Humanistiska fakulteten, Institutionen för arkeologi och antikens kultur, Centrum för evolutionär kulturforskning.
    Evolutionära förklaringar av religion2016Inngår i: Varför finns religion? / [ed] David Thurfjell, Stockholm: Molin & Sorgenfrei, 2016, 2-22 s.Kapittel i bok, del av antologi (Fagfellevurdert)
  • 34.
    Lindenfors, Patrik
    Stockholms universitet, Naturvetenskapliga fakulteten, Zoologiska institutionen, Avdelningen för zoologisk ekologi. Stockholms universitet, Humanistiska fakulteten, Institutionen för arkeologi och antikens kultur, Centrum för evolutionär kulturforskning.
    For Whose Benefit? The Biological and Cultural Evolution of Human Cooperation2017Bok (Fagfellevurdert)
    Abstract [en]

    This book takes the reader on a journey, navigating the enigmatic aspects of cooperation; a journey that starts inside the body and continues via our thoughts to the human super-organism.

    Cooperation is one of life’s fundamental principles. We are all made of parts – genes, cells, organs, neurons, but also of ideas, or ‘memes’. Our societies too are made of parts – us humans. Is all this cooperation fundamentally the same process?

    From the smallest component parts of our bodies and minds to our complicated societies, everywhere cooperation is the organizing principle. Often this cooperation has emerged because the constituting parts have benefited from the interactions, but not seldom the cooperating units appear to lose on the interaction. How then to explain cooperation? How can we understand our intricate societies where we regularly provide small and large favors for people we are unrelated to, know, or even never expect to meet again? Where does the idea come from that it is right to risk one’s life for country, religion or freedom? The answers seem to reside in the two processes that have shaped humanity: biological and cultural evolution.

  • 35.
    Lindenfors, Patrik
    Stockholms universitet, Naturvetenskapliga fakulteten, Zoologiska institutionen, Avdelningen för zoologisk ekologi. Stockholms universitet, Humanistiska fakulteten, Institutionen för arkeologi och antikens kultur, Centrum för evolutionär kulturforskning.
    Jonas Svensson, Människans Muhammed2015Inngår i: Chaos: skandinavisk tidsskrift for religionshistoriske studier, ISSN 0108-4453, E-ISSN 1901-9106, Vol. 2, nr 64Artikkel, omtale (Annet vitenskapelig)
  • 36.
    Lindenfors, Patrik
    Stockholms universitet, Naturvetenskapliga fakulteten, Zoologiska institutionen, Avdelningen för zoologisk ekologi. Stockholms universitet, Humanistiska fakulteten, Institutionen för arkeologi och antikens kultur, Centrum för evolutionär kulturforskning.
    Katolska kyrkan behöver fortfarande reformeras2016Inngår i: Dagens samhälle, ISSN 1652-6511, nr 30 oktoberArtikkel i tidsskrift (Annet (populærvitenskap, debatt, mm))
  • 37.
    Lindenfors, Patrik
    Stockholms universitet, Naturvetenskapliga fakulteten, Zoologiska institutionen, Avdelningen för zoologisk ekologi. Stockholms universitet, Humanistiska fakulteten, Institutionen för arkeologi och antikens kultur, Centrum för evolutionär kulturforskning.
    Kyrkan har mycket att be om ursäkt för2016Inngår i: Sans: existentiellt magasin i upplysningens anda: samhälle, vetenskap, etik, livsåskådning, ISSN 2000-9690, nr 3Artikkel i tidsskrift (Annet (populærvitenskap, debatt, mm))
  • 38.
    Lindenfors, Patrik
    Stockholms universitet, Naturvetenskapliga fakulteten, Zoologiska institutionen, Avdelningen för zoologisk ekologi. Stockholms universitet, Humanistiska fakulteten, Institutionen för arkeologi och antikens kultur, Centrum för evolutionär kulturforskning.
    Moder Teresa: Ett helgon utan gloria2016Inngår i: Sans: existentiellt magasin i upplysningens anda: samhälle, vetenskap, etik, livsåskådning, ISSN 2000-9690, nr 3Artikkel i tidsskrift (Annet (populærvitenskap, debatt, mm))
  • 39.
    Lindenfors, Patrik
    Stockholms universitet, Naturvetenskapliga fakulteten, Zoologiska institutionen, Avdelningen för zoologisk ekologi. Stockholms universitet, Humanistiska fakulteten, Institutionen för arkeologi och antikens kultur, Centrum för evolutionär kulturforskning.
    Politiker, förbjud de religiösa friskolorna2017Inngår i: Aftonbladet, ISSN 1103-9000Artikkel i tidsskrift (Annet (populærvitenskap, debatt, mm))
  • 40.
    Lindenfors, Patrik
    Stockholms universitet, Naturvetenskapliga fakulteten, Zoologiska institutionen, Avdelningen för zoologisk ekologi. Stockholms universitet, Humanistiska fakulteten, Institutionen för arkeologi och antikens kultur, Centrum för evolutionär kulturforskning.
    Religion vs. Health2016Inngår i: World Future Guide 2016: The policy report of the Secular Policy Institute, Washington DC, USA: Secular Policy Institute , 2016, 46-55 s.Kapittel i bok, del av antologi (Annet vitenskapelig)
    Abstract [en]

    Religion may affect personal health in at least two ways. First, religious prescriptions concerning matters such as diet, waste, sexual relationships and social support networks may have actual health consequences. Second, religious healing practices may induce placebo and nocebo responses. Through such mechanisms, religion can result in both positive and negative health effects, depending on prescriptions and rituals involved. Contingent on magnitude, health effects may constitute an underestimated component in understanding the prevalence and persistence of religions in human societies. Health aspects of religion may have become important in human societies through natural selection of susceptibility to placebo responses from religious healing rituals, or through cultural selection of components of religions that involve functioning health advice or that have piggy-backed on practices invoking placebo responses. What exact significance health effects have for understanding the persistence and ubiquity of religions remains to be thoroughly investigated, however.

  • 41.
    Lindenfors, Patrik
    Stockholms universitet, Naturvetenskapliga fakulteten, Zoologiska institutionen, Avdelningen för zoologisk ekologi. Stockholms universitet, Humanistiska fakulteten, Institutionen för arkeologi och antikens kultur, Centrum för evolutionär kulturforskning.
    Religiösa konflikter är mer svårlösta2016Inngår i: Dagens nyheter, ISSN 1101-2447, nr 6 septemberArtikkel i tidsskrift (Annet (populærvitenskap, debatt, mm))
  • 42.
    Lindenfors, Patrik
    Stockholms universitet, Naturvetenskapliga fakulteten, Zoologiska institutionen, Avdelningen för zoologisk ekologi. Stockholms universitet, Humanistiska fakulteten, Institutionen för arkeologi och antikens kultur, Centrum för evolutionär kulturforskning.
    Religiösa samvetsskäl får inte ges särställning2017Inngår i: Dagens samhälle, ISSN 1652-6511Artikkel i tidsskrift (Annet (populærvitenskap, debatt, mm))
  • 43.
    Lindenfors, Patrik
    Stockholms universitet, Naturvetenskapliga fakulteten, Zoologiska institutionen, Avdelningen för zoologisk ekologi. Stockholms universitet, Humanistiska fakulteten, Institutionen för arkeologi och antikens kultur, Centrum för evolutionär kulturforskning.
    Sprid inte villfarelsen om att spöken finns2017Inngår i: Expressen, ISSN 1103-923XArtikkel i tidsskrift (Annet (populærvitenskap, debatt, mm))
  • 44.
    Lindenfors, Patrik
    Stockholms universitet, Naturvetenskapliga fakulteten, Zoologiska institutionen, Avdelningen för zoologisk ekologi. Stockholms universitet, Humanistiska fakulteten, Institutionen för arkeologi och antikens kultur, Centrum för evolutionär kulturforskning.
    Ärkebiskopen målar upp en påhittad motståndare2017Inngår i: Svenska dagbladet, ISSN 1101-2412Artikkel i tidsskrift (Annet (populærvitenskap, debatt, mm))
  • 45.
    Lindenfors, Patrik
    Stockholms universitet, Naturvetenskapliga fakulteten, Zoologiska institutionen, Avdelningen för zoologisk ekologi. Stockholms universitet, Humanistiska fakulteten, Institutionen för arkeologi och antikens kultur, Centrum för evolutionär kulturforskning.
    Önsketänkande att svenska värderingar är universella2016Inngår i: Dagens nyheter, ISSN 1101-2447, nr 13 juliArtikkel i tidsskrift (Annet (populærvitenskap, debatt, mm))
  • 46.
    Lindenfors, Patrik
    et al.
    Stockholms universitet, Naturvetenskapliga fakulteten, Zoologiska institutionen, Avdelningen för zoologisk ekologi. Stockholms universitet, Humanistiska fakulteten, Institutionen för arkeologi och antikens kultur, Centrum för evolutionär kulturforskning.
    Krusell, Joshua
    Lindberg, Staffan I.
    Sequential Requisites Analysis: A New Method for Analyzing Sequential Relationships in Ordinal Data2016Rapport (Annet vitenskapelig)
    Abstract [en]

    This paper presents a new method inspired by evolutionary biology for analyzing longer sequences of requisites for the emergence of particular outcome variables across numerous combinations of ordinal variables in social science analysis. The approach involves repeated pairwise investigations of states in a set of variables and identifying what states in the variables that occur before states in all other variables. We illustrate the proposed method by analyzing a set of variables from version 6 of the V-Dem dataset (Coppedge et al. 2015a, b). With a large set of indicators measured over many years, the method makes it possible to explore long, complex sequences across many variables in quantitative datasets. This affords an opportunity, for example, to disentangle the sequential requisites of failing and successful sequences in democratization. For policy purposes this is instrumental: Which components of democracy are most exogenous and least endogenous and therefore the ideal targets for democracy promotion at different stages?

  • 47. Pernes, Josefines
    et al.
    Lindenfors, Patrik
    Stockholms universitet, Naturvetenskapliga fakulteten, Zoologiska institutionen, Avdelningen för zoologisk ekologi. Stockholms universitet, Humanistiska fakulteten, Institutionen för arkeologi och antikens kultur, Centrum för evolutionär kulturforskning.
    Ingen demokrati utan kvinnors rättigheter2017Inngår i: Dagens ArenaArtikkel i tidsskrift (Annet (populærvitenskap, debatt, mm))
  • 48. Ross, Cody T.
    et al.
    Strimling, Pontus
    Stockholms universitet, Humanistiska fakulteten, Institutionen för arkeologi och antikens kultur, Centrum för evolutionär kulturforskning.
    Ericksen, Karen Paige
    Lindenfors, Patrik
    Stockholms universitet, Naturvetenskapliga fakulteten, Zoologiska institutionen, Avdelningen för zoologisk ekologi. Stockholms universitet, Humanistiska fakulteten, Institutionen för arkeologi och antikens kultur, Centrum för evolutionär kulturforskning.
    Borgerhoff Mulder, Monique
    The Origins and Maintenance of Female Genital Modification across Africa2016Inngår i: Human Nature, ISSN 1045-6767, E-ISSN 1936-4776, Vol. 27, nr 2, 173-200 s.Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    We present formal evolutionary models for the origins and persistence of the practice of Female Genital Modification (FGMo). We then test the implications of these models using normative cross-cultural data on FGMo in Africa and Bayesian phylogenetic methods that explicitly model adaptive evolution. Empirical evidence provides some support for the findings of our evolutionary models that the de novo origins of the FGMo practice should be associated with social stratification, and that social stratification should place selective pressures on the adoption of FGMo; these results, however, are tempered by the finding that FGMo has arisen in many cultures that have no social stratification, and that forces operating orthogonally to stratification appear to play a more important role in the cross-cultural distribution of FGMo. To explain these cases, one must consider cultural evolutionary explanations in conjunction with behavioral ecological ones. We conclude with a discussion of the implications of our study for policies designed to end the practice of FGMo.

  • 49. Sorjonen, Kimmo
    et al.
    Enquist, Magnus
    Stockholms universitet, Naturvetenskapliga fakulteten, Zoologiska institutionen. Stockholms universitet, Humanistiska fakulteten, Institutionen för arkeologi och antikens kultur, Centrum för evolutionär kulturforskning.
    Melin, Bo
    Male height and marital status2017Inngår i: Personality and Individual Differences, ISSN 0191-8869, E-ISSN 1873-3549, Vol. 104, 336-338 s.Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    Using conscription data and follow ups from a large representative sample of Swedish men, and in accordance with earlier studies, we found a bell shaped association between male height and the hazard-for not being unmarried. The shape of this association was not affected by indicators of health and socioeconomic status and it might, instead, be due to microeconomic factors such as supply and market value. A negative linear association between male height and the hazard for divorce once married was also found, and this association was accounted for by indicators of socioeconomic status.

  • 50. Sturmark, Christer
    et al.
    Twana, Tara
    Ericson, Emilia
    Lindenfors, Patrik
    Stockholms universitet, Naturvetenskapliga fakulteten, Zoologiska institutionen, Avdelningen för zoologisk ekologi. Stockholms universitet, Humanistiska fakulteten, Institutionen för arkeologi och antikens kultur, Centrum för evolutionär kulturforskning.
    Timmerby, Magnus
    Ta chansen – här är våra krav på påven2016Inngår i: Aftonbladet, ISSN 1103-9000, nr 31 oktoberArtikkel i tidsskrift (Annet (populærvitenskap, debatt, mm))
    Abstract [sv]

    Påve Franciskus har inte genomfört en enda substantiell förändring av kyrkan – läran är fortfarande patriarkal, homofobisk och odemokratisk. Humanisternas lägger i dag fram tio teser för en mer human kyrka, ämnen Svenska kyrkan kan passa på att ta upp nu när påven är på plats.

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