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Research on subjective misconceptions in physics has not systematically investigated interindividual differences or the impact of formal physics instruction. In this empirical study, two sets of more abstract and of more familiar kinematics tasks were given to a sample (N=201) consisting of two cohorts of German secondary school students (one having received 18 months of physics instruction and the other none), balanced according to level of intelligence (high versus average) and sex. The answers obtained in diagram form were analysed for correct versus incorrect solutions and for subjective misconceptions in physics. Quantitative and qualitative differences in the answers were found between male and female students as well as between students of high versus average intelligence, particularly for the abstract tasks. From the cross‐sectional analysis, it was concluded that only boys profited from physics instruction in school Considering these important subgroup differences, consequences for special schooling for gifted and for female students are discussed
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ABSTRACT The humanist and critical principles of educational gerontology attribute different goals to education in later life. Self-Actualization is the goal of humanist educational gerontology, while empowerment, emancipation, and social change are the goals of critical educational gerontology. Liberal arts education is dominant in later-life learning. Both the humanist and the critical philosophies of learning in older age claim that this type of education is not empowering. Empowerment is a contested concept that has been defined through a set of constructs ranging from psychological capacities to attitudes and behaviors. In terms of capital, empowerment translates into gains in identity and social capital, operationalized in the variables agency and social and civic participation, respectively. The present study investigated the empowering potential of liberal arts courses using the BeLL survey data of 7,338 adult learners. Through a series of ANOVAs and a regression model, we found that age, gender, educational attainment, the number of courses, and changes in agency are significantly associated with changes in social and civic participation. We concluded that liberal arts education does empower adult learners, especially older adults, women, and individuals with lower educational attainment. Given that goal-related claims in the principles of educational gerontology have been empirically challenged, we recommend a new statement of principles that takes into account the latest developments in the field, as well as learners’ agential capacities and the structural inequalities they face. 相似文献
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Hany Hachem Eeva Nikkola Amani Zaidan 《International Journal of Lifelong Education》2017,36(6):713-729
Context: In Lebanon, older adults face socioeconomic challenges that are expected to worsen due to an increase in older adult population, chronic governmental neglect, institutionalised ageism and a lack of educational and social gerontologists. Consequently, local older adults are in dire need for social change, which can be initiated through later life learning. The University for Seniors (UfS) is a University for the Third Age providing learning opportunities for older people in Lebanon. While most older adult learning programmes are occupied with their learners’ self-fulfilment, Critical Educational Gerontology promotes emancipatory learning and social change. Study Objective and Design: A case discussion based on a variety of data sources is used to showcase and then challenge the practices of UfS from a critical educational gerontology perspective. To do that, we consider the semantic difference between emancipation and empowerment in their relation to power. Recommendations: We recommend programme-specific measures starting by revisiting the current philosophy of learning, targeting social change as an additional goal to later life learning, and advocacy for the establishment of educational degrees to prepare professionals and academicians in the field of social gerontology. We also recommend a more critical use of empowerment and emancipation within critical educational gerontology. 相似文献
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Yamada K Sasakura A Nishiwaki K El-Shemy HA Mohapatra PK Nguyen NT Kurosaki H Kanai S Ito J Fujita K 《Journal of Zhejiang University. Science. B》2011,12(1):72-82
This study addresses the hypothesis that stagnation of soybean yield on the farm can be improved by selection of a physiological
trait favoring carbon assimilate partitioning to terminally placed pods versus genotypes having axillary pods at close plant
spacing. 13C was fed to source-sink units comprising a leaf, axillary/terminal pods, and petioles at upper and lower positions of the
stem axis in two soybean cultivars, namely Shakujo and Enrei, at different densities of populations. The cultivars differ
significantly in architecture, Shakujo bearing a few hundreds of pods in close succession to one another in a terminally placed
raceme, in contrast to Enrei having axillary racemes. Pod yield per plant was higher in Enrei than in Shakujo at low density,
but Shakujo out-yielded Enrei at close spacing. Population density decreased yield per plant and altered the pattern of assimilate
partitioning significantly within the plants for both varieties. At high density more assimilates moved to the upper parts
at the cost of the lower parts. The terminally placed pods of Shakujo were advantaged to receive assimilates under density
stress. No benefit was accrued to pod filling of Enrei, however, under this condition. 相似文献
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Giorgio A. Tasca Kerri Ritchie Fotini Zachariades Genevieve Proulx Anne Trinneer Louise Balfour Natasha Demidenko Genevieve Hayden Alison Wong Hany Bissada 《Child abuse & neglect》2013
Objectives
Childhood maltreatment occurs often among those with an eating disorder and is considered a nonspecific risk factor. However, the mechanisms by which childhood maltreatment may lead to an eating disorder are not well understood. The current study tests a model in which attachment insecurity is hypothesized to mediate the relationship between childhood maltreatment and eating disorder psychopathology.Method
Treatment seeking adults with eating disorders (N = 308) completed questionnaires about childhood maltreatment, eating disorder psychopathology, and adult attachment.Results
Structural equation models indicated that childhood trauma had a direct effect on eating disorder symptoms. Also, attachment anxiety and avoidance each equally mediated the childhood maltreatment to eating disorder psychopathology relationship.Conclusions
Attachment insecurity, characterized by affect dysregulation and interpersonal sensitivities may help to explain why eating disorder symptoms may be one consequence of childhood maltreatment in a clinical sample. Clinicians treating primarily those with trauma might assess for disordered eating as a potential manifestation of the sequelae of trauma and attachment insecurity. 相似文献16.
ABSTRACTThe University for the Third Age, a relatively new concept in Lebanon, provides educational and social opportunities for older adults. The goal of later-life educational institutions supposedly covers more than a mere provision of learning. This being said, highlighting the significance of rewards associated with older adult learning—and the barriers it faces—is needed. Through this study, we hope to deepen the understanding of the benefits of later-life learning. In addition, we also payi special attention to environmental and social factors that were previously excluded dimensions of the challenges to learning. We explored the benefits perceived by older adults after finishing one term at a University for the Third Age in Lebanon. Also, we distinguished between the different types of barriers faced by seniors in the same context. We included 461 older adults from two cohorts, and we followed a qualitative approach, using content analysis of 247 solicited answers to our research questions. The data consisted of relatively short answers describing self-perceived benefits of the learning experience, as well as its perceived challenges. Findings indicated the existence of three types of benefits: social, cognitive, and psychological, with cognitive benefits the most reported ones. In addition, educational challenges were categorized into dispositional, situational, and institutional, with the latter being the most reported. After interpreting the findings with the Self-Determination Theory in mind, it was concluded that educational challenges negatively affect the well-being of older adults, while educational rewards could enhance it. 相似文献
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Ernst A. Hany 《High Ability Studies》1996,7(1):65-82
The contribution of leisure time activities to highly intelligent people's creative achievement has rarely been investigated. By using highly intelligent adults' (N = 246) retrospective estimates of frequencies of leisure time activities, a special developmental profile of leisure time usage was found for the more successful individuals in contrast to the less successful. Highly intelligent, successful individuals spent more of their free time on self‐realizing activities, like demanding hobbies, making music or engaging actively in sports, both during adolescence and in later years, and they showed a rising frequency of intellectually demanding activities with growing age. The results can be interpreted in terms of the expert‐novice framework, the problem solving approach to creative thinking, and in terms of the developing identity of young people.
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Hanaa A. Abdallah Rania A. Ghazy Hany Kasban Osama S. Faragallah Abdalhameed A. Shaalan Mohiy M. Hadhoud Moawad I. Dessouky Nawal A. El-Fishawy Saleh A. Alshebeili Fathi E. Abd El-samie 《Information processing & management》2014
In this paper, a new homomorphic image watermarking method implementing the Singular Value Decomposition (SVD) algorithm is presented. The idea of the proposed method is based on embedding the watermark with the SVD algorithm in the reflectance component after applying the homomorphic transform. The reflectance component contains most of the image features but with low energy, and hence watermarks embedded in this component will be invisible. A block-by-block implementation of the proposed method is also introduced. The watermark embedding on a block-by-block basis makes the watermark more robust to attacks. A comparison study between the proposed method and the traditional SVD watermarking method is presented in the presence of attacks. The proposed method is more robust to various attacks. The embedding of chaotic encrypted watermarks is also investigated in this paper to increase the level of security. 相似文献