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This study examined parents’ goals for reading ABC books with their children and their perceptions of page features. Factor analysis of a questionnaire answered by 225 parents of junior and senior kindergarten students revealed four goals for reading alphabet books. In order of importance as rated by parents the goals were: Learning to Read, Enjoyment and Bonding, Learning from Books, and Soothing the Child. Maternal education, number of ABC books owned, and ABC book reading frequency were related to parents’ goals. When viewing ABC pages, parents rated pages with little text, simple illustrations, and letter sound-word consistency as more appropriate for fulfilling purposes related to learning to decode than pages with a lot of text, complex illustrations, and letter sound-word violations. These perceptions are congruent with previous research and experts’ advice. However, parents rated pages with more complex illustrations as more appropriate for enjoyment, potentially putting books with complex illustrations at cross purposes with the previous goals.  相似文献   
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Almost human     
Nowak R 《New scientist (1971)》1999,161(2173):20-21
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Background:Team-sport players have a particularly high injury risk.Although female sex is considered a risk factor,it is still unknown whether female and male team-sport players,in fact,differ in their injury rates.We aimed to compare injury rates between female and male players by systematically reviewing and meta-analyzing injury surveillance studies of both sexes in order to evaluate sex-specific differences in team-sport injuries.Methods:Studies that prospectively collected injury data for high-level female and male players(age≥16 years)in basketball,field hockey,football(soccer),handball,rugby(union and sevens),and volleyball were included.Two reviewers(AZ and ALR)independently assessed study quality and extracted data for overall,match,training,and severe injuries(>28 days’time loss)as well as data regarding injury locations and types.Incidence rate ratios(IRRs)were pooled in a meta-analysis,and meta-regression analysis was performed when 10 or more studies were available.Results:Of 20 studies,9 studies reported injury data from football,3 studies from rugby,3 studies from handball,1 study from basketball,1 study from field hockey,2 studies from volleyball,and 1 study from basketball and field hockey.For overall injuries,the pooled IRR=0.86(95%confidence interval(95%CI):0.76-0.98)indicated significantly more injuries in male than in female players.For injury location,the pooled IRR showed higher injury rates in male athletes than in female athletes for upper extremity,hip/groin,thigh,ande foot injuries.Female players had a significantly higher rate of anterior cruciate ligament injuries(IRR=2.15,95%CI:1.27-3.62)than male players.No significant sex-specific differences in IRR were found for match,training,severe injuries,concussions,or ankle sprains.Conclusion:Our meta-analysis provides evidence for sex-specific differences in the injury rates in team sports.Further epidemiological studies including both sexes in sports other than football are needed in order to strengthen the evidence.  相似文献   
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ABSTRACT

In 1949, in the wake of the USA’s Displaced Persons Act of 1948, the American Committee for the Resettlement of Polish Displaced Persons received thousands of letters from refugees of peasant and worker background residing in camps in Germany and Austria. These potential immigrants appealed to the Polish diaspora for help with securing assurances of accommodation and work which would enable them to resettle in the USA. This paper investigates the discursive strategies of the authors and the wider meanings of their emigration endeavour. Firstly, it demonstrates that non-elite Displaced Persons (DPs) adopted the language of martyrology, patriotism, anti-Communism and freedom to maximise their chances of emigration. These DPs did not evoke the language of rights as they appealed to the traditional network of support, based on benevolence and familiarity. Secondly, it argues that the American Poles and Polish social elites played a crucial role in resettlement of the DPs, providing an additional layer of screening, here called ‘the moral screening’. It is an example of how ethnic and cultural communities mediated the resettlement procedures supervised by international humanitarian organisations. Using a ‘history from below’ approach, this article argues that during this episode of migration, political and economic ideological underpinnings intertwined.  相似文献   
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An array of communication technology, such as text messaging, social networking sites, and mobile apps, have become the platforms through which many self-disclosures take place. This brings forth questions about which factors determine media selection for self-disclosure, such as media appropriateness and efficiency. Survey participants (N = 598) indicated modality preferences for disclosing hypothetical negative, positive, private, and public scenarios to a friend. For positive or public disclosures, modalities considered most convenient were more likely to be chosen; for negative or private disclosures, participants were more likely to select modalities that were considered most appropriate. Results also show a discrepancy between perceptions of appropriateness and motivations for media selection. These findings present implications for the balance between media appropriateness and efficiency in self-disclosure strategies.  相似文献   
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Research on predictors of achievement in science is often targeted on more traditional content-based assessments and single student characteristics. At the same time, the development of skills in the field of scientific inquiry constitutes a focal point of interest for science education. Against this background, the purpose of this study was to investigate to which extent multiple student characteristics contribute to skills of scientific inquiry. Based on a theoretical framework describing nine epistemological acts, we constructed and administered a multiple-choice test that assesses these skills in lower and upper secondary school level (n?=?780). The test items contained problem-solving situations that occur during chemical investigations in school and had to be solved by choosing an appropriate inquiry procedure. We collected further data on 12 cognitive, motivational, and sociodemographic variables such as conceptual knowledge, enjoyment of chemistry, or language spoken at home. Plausible values were drawn to quantify students’ inquiry skills. The results show that students’ characteristics predict their inquiry skills to a large extent (55%), whereas 9 out of 12 variables contribute significantly on a multivariate level. The influence of sociodemographic traits such as gender or the social background becomes non-significant after controlling for cognitive and motivational variables. Furthermore, the performance advance of students from upper secondary school level can be explained by controlling for cognitive covariates. We discuss our findings with regard to curricular aspects and raise the question whether the inquiry skills can be considered as an autonomous trait in science education research.  相似文献   
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