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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
71

The behavorial effects of mere exposure in response to affectively neutral and negatively valenced stimuli

Young, Steven G. January 2007 (has links)
Thesis (M.A.)--Miami University, Dept. of Psychology, 2007. / Title from first page of PDF document. Includes bibliographical references (p. 21-24).
72

Unpacking the adaptive significance of the political spectrum : do liberal and conservative ideological differences reflect alternative strategies for obtaining reciprocity?

Mansell, Jordan January 2017 (has links)
In the following thesis I examine the possible evolutionary significance of behavioural differences associated with liberal and conservative ideological orientations. In investigating the evolutionary significance of these two orientations I have two primary research questions. First, how do liberal and conservative oriented individuals differ in their responses to the same socio-environmental stimuli? Second, do differences in their responses to socio-environmental stimuli represent alternative behavioural strategies for social interaction, specifically adaptive strategies to maximize returns from social interactions? To answer these research questions I evaluate how trust and cooperation among liberal and conservative oriented individuals are affected by conditions of social change and inequality. Previous research finds that attitudes and behaviours consistent with the tolerance or intolerance of social change and inequality are strong predictors of ideological orientation across a liberal-conservative scale. Based on a synthesis of behavioural research I construct two theoretical frameworks to account for the adaptive utility associated with a sensitivity to social change and inequality; 1) The Group Reciprocity Hypothesis, and 2) The Social Risk Hypothesis. I test these frameworks using an experimental research design. I predict that, if liberal and conservative orientations are reflective of alternative adaptive strategies to maximize returns from social interaction, then the willingness of liberal and conservative individuals to participate in a social interaction should be differentially affected by conditions related to social change and inequality.
73

Pro-Environmental Motivation: An Evolutionarily Informed Approach

January 2012 (has links)
abstract: Pro-environmental goals often pit immediate self-interest against future communal interest. Consequently, the motivation to behave in pro-environmental ways can be particularly difficult to maintain over time. By framing environmental ills as threats to one's chronic concerns, I suggest that chronic motivations, such as disease avoidance, can be leveraged to engender longer-lasting pro-environmental motivation. Specifically, I suggest that three distinct categories of environmental ills should be associated with distinct chronic concerns, and that the mechanisms that regulate these concerns should also regulate reactions to related environmental ills: pollution should engage a pathogenic disgust mechanism, wastefulness a moral disgust mechanism, and framing environmental outcomes as posing safety concerns should be linked to fear and anger mechanisms. Results of four experiments did not lend consistent support to the hypotheses. Neither situationally primed concerns nor motivation-relevant individual differences produced consistent results suggesting an association between the proposed motivations and the relevant environmental outcomes. / Dissertation/Thesis / Ph.D. Psychology 2012
74

Father absence, attraction and development

Boothroyd, Lynda January 2004 (has links)
Since Draper & Harpending (1982) proposed that father absence would be associated with a shift in reproductive strategy, a body of literature has accumulated supporting their claims. This thesis explores further aspects of father absence theory, utilising computergraphic facial processing. It opens with an overview of both father absence theory (Chapter 1) and the Evolutionary Psychology of attraction (Chapter 2). Part 1 Part 1 explores the meaning of masculinity in partner choice scenarios. Male facial masculinity co-varied with facial age but not apparent facial health both in tenns of women's preferences (Study 1) and women's direct perceptions (Study 2). This suggested that masculinity in male faces is not a cue to immunocompetence health status as other authors have suggested, In Study 3, while masculine faces were perceived as more dominant than feminised faces, they were otherwise considered poorer quality partners. It was suggested that masculinity was attractive because of a 'sexy son' mechanism (dominance increasing offspring reproductive success), which was traded off against the anti-social traits associated with masculinity. Part 2 Studies 4, 5 and 6 found that father absence or poor relationships with the parents generally reduced masculinity preference and age preference (although in Study 5, this effect was moderated by relationship status). This contradicted predictions made from traditional father absence literature (that father absence should be associated with a short term strategy and therefore masculinity preference). Sociological explanations were discounted as family background did not relate to the traits women said they desired in a partner (Study 7). Altogether these results raised questions about the attractiveness and self-esteem of father absent females. Part 3 therefore investigated the physical development of these females. Part 3 Study 8 found that marital difficulties between parents were associated with an increase in perceived facial masculinity in both male and female offspring's faces, a decrease in facial attractiveness and increased weight and waist-hip ratio in women. Study 9 found that levels of progesterone were inversely related to quality of parental relationship. The overarching conclusions of the thesis were that there appears to be an effect' of physical masculinisation which is associated with father absence. This masculinisation may be the predicator for previously observed father absence effects, and the results in Part 2. As such, attachment based explanations of father absence effects (such as Belsky et al, 1991) may be redundant.
75

Criminologia e natureza humana: possíveis contribuições da psicologia evolucionista para o estudo da criminalidade / Criminology and Human Nature: Possible Contributions of Evolutionary Psychology for the study of criminality

Egberto Zimmermann 06 August 2010 (has links)
A história das teorias criminológicas foi marcada pela constante dicotomia natureza x cultura, oscilando o pêndulo ora para o lado da natureza, como foi o caso do positivismo, ora para o lado da cultura, como são as teorias sociológicas. Recentemente, no entanto, as ciências naturais vêm se deparando com o rápido desenvolvimento de algumas disciplinas, como as neurociências, a genética comportamental e a psicologia evolucionista, que podem eventualmente trazer novas luzes para a compreensão do fenômeno delitivo, pois procuram superar a dicotomia, abordando o ser humano não apenas como uma unidade biológica separada de sua dimensão social, mas buscam uma visão integradora. Assim, o presente trabalho tem por objetivo analisar as eventuais contribuições de um desses novos saberes: a psicologia evolucionista. Para isso foi necessário fazer um estudo breve das diversas teorias criminológicas de cunho etiológico, uma sucinta apresentação dos pontos fundamentais da psicologia evolucionista e, finalmente, os contributos que os teóricos evolucionistas vêm realizando para a compreensão do fenômeno criminal. Diante das limitações inerentes ao trabalho e considerando a variedade dos assuntos, cuja apresentação ficaria muito extensa, serão escolhidos alguns tópicos em que se analisarão, de forma sucinta, algumas perspectivas dos teóricos evolucionistas acerca de temas relevantes para o estudo da criminalidade. Ao final do trabalho, concluiu-se que a psicologia evolucionista pode oferecer um novo olhar sobre a criminalidade, complementando as demais teorias já desenvolvidas. / The history of the criminology theories has been marked by the constant dichotomy into nature and culture as a pendulum oscillating either between nature , as seen in positivism, or culture as seen in sociological theories. Recently, however, the natural sciences sees a quickly development in some disciplines, as the neurosciences, behavior genetics and evolutionary psychology, that can eventually bring new lights to the comprehension of the criminal phenomenon. They intend not only to surpass the dichotomy, understanding the human being as a biological unit separate from its social dimension, but seeks for an integrated perception. So, the present work aims to analyze the eventual contribution of a new acquaintance, the evolutionary psychology. To achieve this goal, it was necessary to make a brief study of the etiological criminological theories, to display a brief presentation of the fundamental points of the evolutionary psychology and finally to present the contribution that the evolutionary theorists are carrying through for the understanding of the criminal phenomenon. Despite the inherent limitation of the work and considering the variety of subjects we will concentrate on the ones that present relevant contribution from the above mentioned theorists concerning pertinent new perspectives upon crime. It was concluded that the evolutionist psychology can offer a new look upon criminality, complementing such theories already developed.
76

Tratamento da Neofobia Alimentar em pacientes com obesidade associada ou não à compulsão alimentar / Treatment of Food Neophobia in obese patients with or without binge eating

Viviane Rosa Marinho 22 June 2011 (has links)
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior / Tendo como base a visão evolucionista e a abordagem terapêutica cognitivo-comportamental, o objetivo deste trabalho foi propor um protocolomodificado de tratamento para pessoas obesas com compulsão alimentar periódica.A idéia norteadora é que estratégias que foram úteis para a sobrevivência daespécie poderiam estar influenciando no ganho de peso. Entre estas estratégias,destacam-se: a tendência a consumir uma grande quantidade de alimentos, facilitando o consumo de alimentos hipercalóricos; e a neofobia alimentar, dificultando o consumo de frutas, legumes e verduras. Obedecendo à lógicaancestral herdada pela espécie, a primeira proporciona reservas para momentos deescassez de alimentos e a segunda implica em uma recusa em consumir alimentosdesconhecidos evitando que substâncias tóxicas sejam ingeridas. Ambos os fatores poderiam contribuir para a obesidade. Os tratamentos convencionais buscam controlar a ingestão calórica. O que aqui se propõe, além desse controle, é tentardiminuir o nível de neofobia alimentar. Com essa hipótese de trabalho espera-se aumentar o consumo de alimentos, principalmente os mais saudáveis e hipocalóricos, contribuindo para reduzir a ingestão de alimentos hipercalóricos. Otratamento incluiu técnicas de exposição, modelação e imitação adicionadas a umtratamento já utilizado para obesos com compulsão alimentar periódica. Foram criados dois grupos, o primeiro com 4 participantes funcionando como grupo decontrole, que recebeu um tratamento convencional de TCC; o outro, com 6 participantes aqui denominado grupo de intervenção, que recebeu o tratamento deTCC modificado. A pesquisa foi qualificada como quase-experimental. O resultadoobtido foi uma redução do índice de neofobia alimentar, do Índice de massa corporal, um aumento no consumo de alimentos saudáveis e a redução de gordurase açúcares no chamado grupo de intervenção. Embora tenha alcançado estes resultados, o tratamento ainda precisa ser reformulado e ampliado. / Based on the evolutionary vision and cognitive-behavioral therapy approach,the objective was to propose a modified protocol of treatment for overweight peoplewith binge eating. The guiding idea is that the strategies that were useful for thesurvival of the species could have contributed to weight gain. Among these strategiesare: the tendency to consume a large amount of food, facilitating the consumption ofcalorie foods, and food neophobia, making the consumption of fruits and vegetables.According to the logic inherited the ancestral species, the first provides reserves fortimes of food shortages and the second implies a refusal to consume food thatavoiding unknown toxic substances are ingested. Both factors could contribute toobesity. Conventional treatments seek to control caloric intake. What is proposedhere, and this control is to try to reduce the level of food neophobia. With this workinghypothesis is expected to increase food intake, especially low-calorie and healthierby helping to reduce the intake of calorie. Treatment included exposure techniques,modeling and imitation added to an already used to treat obese patients with bingeeating. We created two groups, the first with 4 participants working as a control groupwho received conventional treatment of TCC, the other with 6 participants here calledthe intervention group, who received the modified treatment of TCC. The researchwas described as a quasi-experimental. The result was a reduction in the rate of foodneophobia, the body mass index, an increased consumption of healthy foods andreduce fats and sugars called in the intervention group. Although it has achievedthese results, the treatment still needs to be reformed and expanded.
77

Os homens do século XXI no cuidado dos filhos: um papel social em aberto / The men of the century XXI in the children's care: a opened social model

Jôse Peixoto da Rocha Souza 30 June 2010 (has links)
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior / No século XXI podemos caracterizar as relações por sua complexidade, o que se expressa em diferentes aspectos, como nas relações familiares, sociais, valores, crenças. Sendo assim, fatores como gênero, transgeracionalidade e a coexistência de antigos padrões e novas demandas relacionais, compõem a construção dos papéis contemporâneos. E dentre um dos mais importantes papéis desempenhados pelo homem, podemos citar o de pai, com isto. Dessa forma, com base nas necessidades e na carência de literatura sobre o papel atribuído a este novo pai, o presente trabalho pretendeu investigar os aspectos semelhantes e diferentes nas crenças de homens e mulheres de gerações distintas. Participaram desta pesquisa 100 pessoas residentes na cidade de Magé (estado do Rio de Janeiro), divididas em quatro grupos (25 por contexto: gênero e idade, grupos de 25 a 35 anos e 55 a 65 anos). O estudo incluiu questionário sociodemográfico, questionário sobre Função Paterna, aplicação da Escala sobre Crenças e Práticas Paterna (ECPP) e Escala sobre Crenças e Práticas Paterna Pretéritas (ECPP-P). Os resultados mostraram concordâncias e divergências, tanto entre os gêneros quanto entre as gerações, mas acreditamos que discussões como estas propiciam novos entendimentos acerca das práticas parentais paterna. / In the twenty-first century we can characterize the relations of its complexity, which is expressed in different ways, such as family and social relations, the values and beliefs. Thus, factors such as gender, transgenerationality and coexistence of old patterns and new relational demands, compound the construction of contemporary roles. And among the most important roles played by man, the fathers one deserves. Therefore, based on the needs and the shortage of literature about the role attributed to this "new" father, this paper was intended to investigate the similarities and differences in men and women beliefs of distinct generations. This study counted with the participation of 100 people living in the city of Magé (state of Rio de Janeiro), divided into four groups (25 per context: sex and age group, 25-35 years and 55-65 years). The study included sociodemographic questionnaire, Paternal Function questionnaire and the application of Paternal Beliefs and Practices Scale and Past-Paternal Beliefs and Practices Scale. The results show agreement and disagreement, both between genders and generations, but we believe that discussions such as these provide new understandings of paternal parenting practices.
78

Metas de realização e expectativas de vida de jovens do Rio de Janeiro em contextos distintos / Achievement goals and life expectancy of youth from different contexts in Rio de Janeiro

Dandara de Oliveira Ramos 12 June 2012 (has links)
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior / A questão da orientação para o futuro tem ocupado um grande espaço nas discussões sobre o desenvolvimento jovem, sendo abordada por uma diversidade de enfoques teóricos. Prioritariamente, as teorias apontam fatores cognitivos e motivacionais como principais na relação entre os jovens e o tempo futuro. A presente dissertação de Mestrado teve por objetivo aproximar-se desse campo de investigação através da perspectiva Evolucionista da Psicologia, acrescentando variáveis sociodemográficas e contextuais à pesquisa do tema. Tal propósito foi atingido por meio de três artigos científicos distintos elaborados ao longo do curso de Mestrado. O artigo inicial, apresentou uma revisão crítica da literatura sobre Metas de Realização e Estimativas Futuras de jovens, propondo um modelo diferenciado para o estudo do tema através da Teoria Evolucionista das Estratégias de História de Vida. O segundo artigo, apresentou um estudo empírico sobre o mesmo tema, realizado com Jovens de diferentes contextos no Estado do Rio de Janeiro: moradores de favelas (Rocinha e Vigário Geral) e estudantes universitários não moradores de favelas. Concluindo que em diferentes cenários sociais, as perspectivas futuras apresentam-se de maneiras distintas e sensíveis às variáveis específicas do contexto. O terceiro artigo, dedicou-se a investigação das expectativas de vida destes mesmos jovens e encontrou resultados semelhantes. Para os jovens moradores de favelas, as expectativas de vida e as estimativas de tempo futuro se mostraram menores. O conjunto de trabalhos produzidos permitiu atingir o objetivo proposto e, com base na Psicologia Evolucionista, ressaltar a importância de variáveis extrínsecas para o estudo das metas e estimativas de futuro, assim como das expectativas de vida dos jovens. Espera-se que as informações oferecidas pelo trabalho possam ampliar o panorama de estudos sobre o tema, assim como servir de referência para profissionais ligados ao público jovem, em pré-vestibulares, projetos sociais e outras políticas públicas desenvolvidas em favelas e outros contextos sociais. / A questão da orientação para o futuro tem ocupado um grande espaço nas discussões sobre o desenvolvimento jovem, sendo abordada por uma diversidade de enfoques teóricos. Prioritariamente, as teorias apontam fatores cognitivos e motivacionais como principais na relação entre os jovens e o tempo futuro. A presente dissertação de Mestrado teve por objetivo aproximar-se desse campo de investigação através da perspectiva Evolucionista da Psicologia, acrescentando variáveis sociodemográficas e contextuais à pesquisa do tema. Tal propósito foi atingido por meio de três artigos científicos distintos elaborados ao longo do curso de Mestrado. O artigo inicial, apresentou uma revisão crítica da literatura sobre Metas de Realização e Estimativas Futuras de jovens, propondo um modelo diferenciado para o estudo do tema através da Teoria Evolucionista das Estratégias de História de Vida. O segundo artigo, apresentou um estudo empírico sobre o mesmo tema, realizado com Jovens de diferentes contextos no Estado do Rio de Janeiro: moradores de favelas (Rocinha e Vigário Geral) e estudantes universitários não moradores de favelas. Concluindo que em diferentes cenários sociais, as perspectivas futuras apresentam-se de maneiras distintas e sensíveis às variáveis específicas do contexto. O terceiro artigo, dedicou-se a investigação das expectativas de vida destes mesmos jovens e encontrou resultados semelhantes. Para os jovens moradores de favelas, as expectativas de vida e as estimativas de tempo futuro se mostraram menores. O conjunto de trabalhos produzidos permitiu atingir o objetivo proposto e, com base na Psicologia Evolucionista, ressaltar a importância de variáveis extrínsecas para o estudo das metas e estimativas de futuro, assim como das expectativas de vida dos jovens. Espera-se que as informações oferecidas pelo trabalho possam ampliar o panorama de estudos sobre o tema, assim como servir de referência para profissionais ligados ao público jovem, em pré-vestibulares, projetos sociais e outras políticas públicas desenvolvidas em favelas e outros contextos sociais.
79

The evolutionary origins of executive functions : behavioural control in humans and chimpanzees

Mayer, Carolina Patricia January 2015 (has links)
Executive functions (EFs) are a set of cognitive operations, including working memory, inhibitory control and attention shifting, that underpin accurate, flexible and coordinated behaviour in many problem-solving contexts. While it seems likely that humans surpass nonhuman animals in EFs, previous research into the evolutionary origins of EFs is limited and lacks systematic comparisons of EFs in human and nonhuman animals. In this thesis, I aimed to overcome these limitations by developing a test battery to study EFs in our closest primate relative, the chimpanzee. Using an individual differences approach, I investigated the performance of 19 chimpanzees on several EF tasks and extracted two factors in an exploratory factor analysis accounting for 70.9 % of the variability. The two measures of working memory loaded onto one factor, suggesting that a common cognitive process underlay performance on both tasks. This factor could be clearly differentiated from a well-established measure of attention shifting, loading onto a second factor. In addition, the measures of inhibitory control did not contribute to a unique factor. Intriguingly, the emerging structure of separable EF processes, paralleled the EF structure suggested for human adults (Miyake et al, 2012). The subsequent comparison of a sub-sample of chimpanzees (n = 12; excluding aged individuals), pre-schoolers (n = 36) and undergraduates (n = 16) on two selected EF tests revealed impressive EF capacities of chimpanzees. Chimpanzees could deal with interference in working memory at levels comparable to four and five year-olds. Additionally, the ability of chimpanzees to shift attention was not significantly different from four year-olds; however, five- year-olds outperformed their primate relatives. My work suggests that important aspects of EFs are shared between humans and chimpanzees; while performance differences in EFs emerge late in human ontogeny. The implications of my results for theories on human cognitive evolution are discussed.
80

An Affordance Management, Life History Approach to Perceptions of Criminal Behavior

January 2017 (has links)
abstract: Why do social perceivers use race to infer a target's propensity for criminal behavior and likelihood of re-offense? Life history theory proposes that the harshness and unpredictability of one's environment shapes individuals' behavior, with harsh and unpredictable ("desperate") ecologies inducing "fast" life history strategies (characterized by present-focused behaviors), and resource-sufficient and stable ("hopeful") ecologies inducing "slow" life history strategies (characterized by future-focused behaviors). Social perceivers have an implicit understanding of the ways in which ecology shapes behavior, and use cues to ecology to infer a target's likely life history strategy. Additionally, because race is confounded with ecology in the United States, American perceivers use race as a heuristic cue to ecology, stereotyping Black individuals as possessing faster life history strategies than White individuals. In the current project, I proposed that many race stereotypes about propensity for criminality and recidivism actually reflect inferences of life history strategy, and thus track beliefs about the behavioral effects of ecology, rather than race. In a series of three studies, I explored the relationship between ecology, race, and perceptions of criminal behavior. Participants in each experiment were recruited through an online marketplace. Findings indicated that (1) stereotypes regarding likelihood to engage in specific crimes were largely driven by beliefs about the presumed ecology of the offender, rather than the offender's race, such that Black and White targets from desperate (and hopeful) ecologies were stereotyped as similarly likely (or unlikely) to commit a variety of crimes; (2) lay beliefs about recidivism predictors likewise reflected inferences of life history strategy, and thus also tracked ecology rather than race; (3) when evaluating whether to release a specific offender on parole, participants placed greater importance on ecology information as compared to race information in a point allocation task, and prioritized ecology information over race information in a ranking task. Taken together, these findings suggest that beliefs about criminality and recidivism may not be driven by race, per se, but instead reflect inferences of how one's ecology shapes behavior. Implications of these findings for understanding and reducing racial bias in the criminal justice system are discussed. / Dissertation/Thesis / Doctoral Dissertation Psychology 2017

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