662 research outputs found

    An examination of the impacts of volunteering and community contribution at a community festival through the lens of the Five Ways to Wellbeing

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    The aim of this study was to examine the perceptions, motivations and wellbeing impacts for volunteers and contributors to Broadstairs Folk Week. The study utilised questionnaires with a mix of quantitative and qualitative measures, within a single cohort (n = 152). Analysis was conducted using IBM SPSS 24 to produce descriptive statistics, and cross-tabulations were used to interrogate key variables. NVivo 11 software was used to analyse qualitative comments. A thematic analysis (thematic development) approach further identified codes and themes that fitted well with the Five Ways to Wellbeing (Aked, J., Marks, N., Cordon, C. and Thompson, S. (2008). Five ways to wellbeing: a report presented to the Foresight Project on communicating the evidence base for improving people's well-being, New Economics Foundation. Retrieved from https://b.3cdn.net/nefoundation/8984c5089d5c2285ee_t4m6bhqq5.pdf). Findings demonstrate that older-adult festival volunteers had a higher sense of subjective wellbeing prior to the festival than might ordinarily be expected in a similar group. Participants reported their sense of wellbeing increased during the festival. The Five Ways to Wellbeing model is suggested as a useful way to frame the results, linking a sense of 'connection' and 'giving' as participant motivators. This paper argues that festival volunteers derive personal benefits, including sense of connection and reciprocity, and access to resources with potential health and wellbeing benefits. This may be beneficial to the public health agenda of community development, reducing isolation and supporting healthy ageing. The online version contains supplementary material available at 10.1007/s42413-021-00154-2. [Abstract copyright: © The Author(s), under exclusive licence to Springer Nature Switzerland AG 2021.

    Mixed-ethnicity face shape and attractiveness in humans

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    Many studies show agreement within and between populations and cultures for general judgments of facial attractiveness. Studies that have examined the attractiveness of specific traits have also highlighted cross-cultural differences for factors such as symmetry, averageness, and masculinity. One trait that should be preferred across cultures is heterozygosity. Indeed, several studies suggest that mixed ethnicity, in terms of appearing to possess a mixture of traits from different human population groups, may be found attractive, which could reflect preferences for heterozygosity. We examined preferences for manipulated face shape associated with different populations in both Europeans (Britain) and Africans (Guinea-Bissau). We found that mixed-ethnicity face shapes were more attractive than enhanced single-ethnicity face shape across both populations. These results are consistent with evolutionary theories suggesting individuals should prefer heterozygosity in partners because facial cues to mixed-ethnicity are likely to indicate diverse genes compared to cues that indicate a face belongs to a single particular culture or population

    Hunter-Gatherer Color Naming Provides New Insight into the Evolution of Color Terms

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    SummaryMost people name the myriad colors in the environment using between two and about a dozen color terms [1], with great variation within and between languages [2]. Investigators generally agree that color lexicons evolve from fewer terms to more terms, as technology advances and color communication becomes increasingly important [3]. However, little is understood about the color naming systems at the least technologically advanced end of the continuum. The Hadza people of Tanzania are nomadic hunter-gatherers who live a subsistence lifestyle that was common before the advent of agriculture (see Supplemental Experimental Procedures, section I; [4]), suggesting that the Hadzane language should be at an early stage of color lexicon evolution. When Hadza, Somali, and US informants named 23 color samples, Hadza informants named only the black, white, and red samples with perfect consensus. Otherwise, they used low-consensus terms or responded “don’t know.” However, even low-consensus color terms grouped test colors into lexical categories that aligned with those found in other world languages [5]. Furthermore, information-theoretic analysis showed that color communication efficiency within the Hadza, Somali, and US language communities falls on the same continuum as other world languages. Thus, the structure of color categories is in place in Hadzane, even though words for many of the categories are not in general use. These results suggest that even very simple color lexicons include precursors of many color categories but that these categories are initially represented in a diverse and distributed fashion

    Assortative human pair-bonding for partner ancestry and allelic variation of the dopamine receptor D4 (DRD4) gene

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    The 7R allele of the dopamine receptor D4 gene has been associated with attention-deficit hyperactivity disorder and risk taking. On the cross-population scale, 7R allele frequencies have been shown to be higher in populations with more of a history of long-term migrations. It has also been shown that the 7R allele is associated with individuals having multiple-ancestries. Here we conduct a replication of this latter finding with two independent samples. Measures of subjects’ ancestry are used to examine past reproductive bonds. The individuals’ history of inter-racial/ancestral dating and their feelings about this are also assessed. Tentative support for an association between multiple ancestries and the 7R allele were found. These results are dependent upon the method of questioning subjects about their ancestries. Inter-racial dating and feelings about inter-racial pairing were not related to the presence of the 7R allele. This might be accounted for by secular trends that might have substantively altered the decision-making process employed when considering relationships with individuals from different groups. This study provides continued support for the 7R allele playing a role in migration and/or mate choice patterns. However, replications and extensions of this study are needed and must carefully consider how ancestry/race is assessed

    Foreign-language effects in cross-cultural behavioral research: Evidence from the Tanzanian Hadza

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    Behavioral research in traditional subsistence populations is often conducted in a non-native language. Recent studies show that non-native language-use systematically influences behavior, including in widely used methodologies. However, such studies are largely conducted in rich, industrialized societies, using at least one European language. This study expands sample diversity. We presented four standard tasks—a “dictator” game, two sacrificial dilemmas, a wager task, and five Likert-risk tolerance measures—to 129 Hadza participants. We randomly varied study languages—Hadzane and Kiswahili—between participants. We report a moderate impact of study language on wager decisions, alongside a substantial effect on dilemma decisions and responses to Likert-assessments of risk. As expected, non-native languages fostered utilitarian choices in sacrificial dilemmas. Unlike previous studies, non-native-language-use decreased risk preference in wager and Likert-tasks. We consider alternative explanatory mechanisms to account for this reversal, including linguistic relativity and cultural context. Given the strength of the effects reported here, we recommend, where possible, that future cross-cultural research should be conducted in participants’ first language

    Symmetry is related to sexual dimorphism in faces: data across culture and species

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    BACKGROUND: Many animals both display and assess multiple signals. Two prominently studied traits are symmetry and sexual dimorphism, which, for many animals, are proposed cues to heritable fitness benefits. These traits are associated with other potential benefits, such as fertility. In humans, the face has been extensively studied in terms of attractiveness. Faces have the potential to be advertisements of mate quality and both symmetry and sexual dimorphism have been linked to the attractiveness of human face shape. METHODOLOGY/PRINCIPAL FINDINGS: Here we show that measurements of symmetry and sexual dimorphism from faces are related in humans, both in Europeans and African hunter-gatherers, and in a non-human primate. Using human judges, symmetry measurements were also related to perceived sexual dimorphism. In all samples, symmetric males had more masculine facial proportions and symmetric females had more feminine facial proportions. CONCLUSIONS/SIGNIFICANCE: Our findings support the claim that sexual dimorphism and symmetry in faces are signals advertising quality by providing evidence that there must be a biological mechanism linking the two traits during development. Such data also suggests that the signalling properties of faces are universal across human populations and are potentially phylogenetically old in primates

    PROTOCOL: The effectiveness of psychosocial interventions for reducing problematic substance use, improving mental health, and improving housing stability for adults experiencing homelessness: A systematic review and meta-analysis

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    This systematic review is part of a broader evidence synthesis which aims to produce two systematic reviews to address a significant gap in the evidence base identified by Luchenski et al. (2018) and by (White, 2018). The first review (which is the subject of this protocol) will use meta-analysis to examine the effectiveness of different psychosocial interventions in (1) reducing problematic substance use; (2) improving mental health; and (3) improving housing stability for adults experiencing homelessness. The second review (which is covered by a separate title registration and protocol) will be of the experiences of adults experiencing homelessness when accessing or using psychosocial interventions, and will be a qualitative evidence synthesis using thematic synthesis (Thomas & Harden, 2008)

    Supporting ethical, independent learning behavior among university students in the Arabian Gulf

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    © Springer International Publishing Switzerland 2014. Students in the Arabian Gulf region and the world over confront plagiarism temptations wittingly or unwittingly due to the multitude of free and easily available electronic sources of information. Rather than develop independent learning skills and academic integrity, students are often taken advantage of by essay mills that sell readymade essays. Instructors at times compound the problem by repeatedly recycling course assignments and tasks. Furthermore, there have been reports of the use of social networking sites for outsourcing and contract cheating in student assignments. This paper discusses how educators in an institution of higher learning in the UAE assist students to develop good academic skills. Data collection is with the use of an online survey questionnaire. Concurring with Wheeler and Anderson (2010) who call for appropriate and comprehensive institutional policies and guidelines for dealing with plagiarism, practical examples of the processes and procedures used at these institutions are provided

    Judging distance across texture discontinuities

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    Sinai et al (1998 Nature 395 497 - 500) showed that less distance is perceived along a ground surface that spans two differently textured regions than along a surface that is uniformly textured. We examined the effect of texture continuity on judged distance using computer-generated displays of simulated surfaces in five experiments. Discontinuities were produced by using different textures, the same texture reversed in contrast, or the same texture shifted horizontally. The simulated surface was either a ground plane or a frontoparallel plane. For all textures and both orientations, less distance was judged in the discontinuous conditions than in continuous conditions. We propose that when a surface contains a texture discontinuity, a small area adjacent to the perceived boundary is excluded from judged distances

    Eye rivalry and object rivalry in the intact and split-brain

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    Both the eye of origin and the images themselves have been found to rival during binocular rivalry. We presented traditional binocular rivalry stimuli (face to one eye, house to the other) and Diaz-Caneja stimuli (half of each image to each eye) centrally to both a split-brain participant and a control group. With traditional rivalry stimuli both the split-brain participant and age-matched controls perceived more coherent percepts (synchronised across the hemifields) than non-synchrony, but our split-brain participant perceived more non-synchrony than our controls. For rival stimuli in the Diaz-Caneja presentation condition, object rivalry gave way to eye rivalry with all participants reporting more non-synchrony than coherent percepts. We have shown that splitting the stimuli across the hemifields between the eyes leads to greater eye than object rivalry, but that when traditional rival stimuli are split as the result of the severed corpus callosum, traditional rivalry persists but to a lesser extent than in the intact brain. These results suggest that communication between the early visual areas is not essential for synchrony in traditional rivalry stimuli, and that other routes for interhemispheric interactions such as subcortical connections may mediate rivalry in a traditional binocular rivalry condition
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