17 research outputs found

    Physiological Correlates of Volunteering

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    We review research on physiological correlates of volunteering, a neglected but promising research field. Some of these correlates seem to be causal factors influencing volunteering. Volunteers tend to have better physical health, both self-reported and expert-assessed, better mental health, and perform better on cognitive tasks. Research thus far has rarely examined neurological, neurochemical, hormonal, and genetic correlates of volunteering to any significant extent, especially controlling for other factors as potential confounds. Evolutionary theory and behavioral genetic research suggest the importance of such physiological factors in humans. Basically, many aspects of social relationships and social activities have effects on health (e.g., Newman and Roberts 2013; Uchino 2004), as the widely used biopsychosocial (BPS) model suggests (Institute of Medicine 2001). Studies of formal volunteering (FV), charitable giving, and altruistic behavior suggest that physiological characteristics are related to volunteering, including specific genes (such as oxytocin receptor [OXTR] genes, Arginine vasopressin receptor [AVPR] genes, dopamine D4 receptor [DRD4] genes, and 5-HTTLPR). We recommend that future research on physiological factors be extended to non-Western populations, focusing specifically on volunteering, and differentiating between different forms and types of volunteering and civic participation

    A Comparison of Symbolic Similarity Measures for Finding Occurrences of Melodic Segments

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    E-assessment of student-teachers’ competence as new teachers

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    In teacher education programmes, text-based portfolios are generally used to assess student-teachers’ competence as new teachers. However, striking discrepancies are known to exist between the competencies reflected in a written portfolio and the competencies observed in actual classroom practice. Multiple assessments should be used to provide a more valid assessment of student-teachers’ competence as new teachers. Technology can support this kind of multiple and flexible ways of assessment. In a Research & Development project, four types of e-assessments were designed, implemented and evaluated in 27 interventions in 13 post-graduated teacher education programs in the Netherlands. Teacher educators reported positive outcomes of the interventions in terms of new procedures, materials and tools. No significant effects were found of the implementation of the four types of e-assessments on the evaluation by either teacher educators or studentteachers. A possible explanation for this absence of effects might be teething problems of the interventions implemented
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