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1.
Elementary and secondary students spend more hours outside of class than in formal school and thus have more time for interaction with everyday science. However, evidence from a large international survey, Program of International Student Assessment (PISA) (OECD 2012), found a negative relationship between number of hours attending after-school science and science assessment scores in many countries, raising questions about why. The secondary analysis of the 2006, 2009, and 2012 PISA surveys found that in most Western countries the longer students attended after-school science programs (in a typical week), the lower their PISA standardized science test score, but the higher their positive attitudes toward future science careers, interest in science, and self-confidence in science. Several potential hypotheses for this relationship are examined and rejected. Further analysis of a causal relationship between frequent attendance in after-school programs and student achievement and attitudes should clearly identify the content of the program so that the analysis could distinguish experiences closely related to regular school curricula from the informal science activities that are not. A new analysis also should include carefully designed longitudinal surveys to test the effectiveness of informal experiences on later life choices in career and study.  相似文献   
2.
三语习得的研究始于20世纪80年代,吸取诸多领域学者的研究成果,到了本世纪初步入快速发展时期。至今取得了第一和第二语言影响第三语言学习的迁移规律,多语言学习与元语言意识的发展以及在普遍语法下第一和第二语言在三语中的作用方面的研究成果。这些成果对我国三语习得研究,尤其是少数民族外语教育的研究有重要的启示。然而,目前研究尚处在初创阶段,在广度和深度上都有待拓展,需进一步界定和深入对普遍语法与三语习得的关系研究。  相似文献   
3.
Classroom teaching is complex. In the classroom, teachers must readily attend to disruptions and successfully convey new tasks and information. Outside the classroom, teachers must organise their priorities that are important for successful student learning. In fact, differing gaze patterns can reveal the varying priorities that teachers have. Teacher priorities are likely to vary with classroom expertise and can conceivably change with culture too. Therefore, the present study investigated expertise related and cultural teacher priorities by analysing their gaze proportions. To obtain this data, 40 secondary school teachers wore eye-tracking glasses during class time, with 20 teachers (10 expert; 10 novice) from the UK and 20 teachers (10 expert; 10 novice) from Hong Kong. We analysed gaze proportions during teachers' attentional (i.e., information-seeking, e.g., teacher questioning students) and communicative (i.e., information-giving, e.g., teacher lecturing students) gaze. Regardless of culture, expert teachers' gaze proportions revealed prioritisation of students, whereas novice teachers gave priority to non-instructional (i.e., not students, teacher materials, or student materials) classroom regions. Hong Kong teachers prioritised teacher materials (e.g., whiteboard) during communicative gaze whereas UK teachers prioritised non-instructional regions. Regarding culture-specific expertise, with Hong Kong experts prioritised teacher materials more than UK experts who, in turn, did so more than UK novices. We thus demonstrate the role of implicit teacher gaze measures as micro-level indicators of macro-level and explicit aspects of instruction, namely teacher priority.  相似文献   
4.
The authors performed a Monte Carlo simulation to empirically investigate the robustness and power of 4 methods in testing mean differences for 2 independent groups under conditions in which 2 populations may not demonstrate the same pattern of nonnormality. The approaches considered were the t test, Wilcoxon rank-sum test, Welch-James test with trimmed means and Winsorized variances, and a nonparametric bootstrap test. Results showed that the Wilcoxon rank-sum test and Welch-James test with trimmed means and Winsorized variances were not robust in terms of type I error control when the 2 populations showed different patterns of nonnormality. The nonparametric bootstrap test provided power advantages over the t test. The authors discuss other results from the simulation study and provide recommendations.  相似文献   
5.
Men's lacrosse and women's lacrosse share a name, but their histories differ. Both sports developed and became organised in close concert with the race, class and gender expectations of the eras. As a result, the sports began with rules that reflected those norms. Over time, the sports developed separately and generated unique forms, even as they sustained moments of interaction. Therefore, men's lacrosse and women's lacrosse are different sports. Using comparisons as the mode through which to view the sports, this article explores the organised beginnings of men's lacrosse and women's lacrosse to establish that the sports began and continued within identity-based norms. Through the discussion of the practical distinctions and critical understandings of the differences between the games, the author poses that these dissimilarities are relevant in considerations of the separate sports as they continue to change in the larger US sporting context. As sports such as basketball demonstrate, these arguments matter because broad-scale comparisons of women's sports to men's frequently render women's sport participants, and the sports they play, inferior. Notably, women's lacrosse participants also employed comparisons to distinguish and claim their history as unique from that of men's lacrosse. A comparative analysis highlights points of disjuncture between the sports and contextualises the importance of gender in the articulations of difference.  相似文献   
6.
Responding to a survey requires cognitive abilities similar to those for any other linguistic task. We argue that, when faced with a cognitively challenging task, individuals respond by simplifying the task, declining it, or performing it poorly. Using the 2003 Program for International Student Assessment (PISA 2003) data sets, we document that the extent of construct differentiation in students’ mathematics learning strategies is strongly associated with their level of mathematics achievement. Likewise, the higher the level of mathematics achievement, the lower is the probability of a non-response to the mathematics learning strategy questions. Finally, the higher the students’ level of mathematics achievement, the more varied were their responses to the learning strategies items. These associations were examined across 40 participating countries.  相似文献   
7.
The present study builds on two strands of research: (1) the recently established generalized internal/external frame of reference (GI/E) model assuming social (comparing one’s achievement in one domain with the achievement of one’s peers in the same domain) and dimensional (comparing one’s achievement in one domain with one’s achievement in another domain) comparison processes in the formation of motivational constructs and self-perceptions, and (2) research on domain-specific facets of test anxiety. Using a sample of 5135 German seventh grade students, it is tested whether and how both comparison processes are involved in the formation of domain-specific facets of test anxiety when considering both the emotionality and worry components of test anxiety, and whether the relation between achievement and test anxiety is mediated through academic self-concept. When applying the GI/E model to test anxiety, the results showed negative relations between achievement and test anxiety within math and verbal (German) domains, but partially positive relations across domains. This pattern of relations emerged for both the worry and emotionality components while stronger achievement relations were found for worry. These findings indicate that dimensional achievement comparison processes operate in the formation of domain-specific test anxiety. Domain-specific academic self-concepts were found to mediate the relations between achievement and test anxiety within and across domains, the mediation being stronger for worry than for emotionality as an outcome. Boys and girls did not differ regarding direct and indirect relations among constructs. Implications for research on dimensional comparison processes and test anxiety are discussed.  相似文献   
8.
In 2009, a think tank called the International Alliance of Leading Education Institutes (IALEI) announced the results of a study entitled Climate Change and Sustainable Development: The Response from Education. Intended for a policy audience, the study offered a glimpse into the status of Education for Sustainable Development (ESD) and an early look at the emergence of Climate Change Education (CCE), in 10 different nations. As with most international reports, the IALEI report provoked many questions, some of which are more broadly relevant to scholarship and practice. This paper introduces a review symposium that addresses three such questions: (1) How coherent is the concept of ESD across national contexts and what conceptual tensions continue to surround ESD and CCE? (2) Can nation-level analyses tell us anything useful about countries where education is not centrally governed? and (3) In light of the evolving relationship between educational research and policy, how should researchers engage with ongoing policy debates?  相似文献   
9.
Alphabetic orthographies vary in the (in)consistency of the relations between spelling and sound patterns. In transparent orthographies, like Italian, the pronunciation can be predicted from the spelling, in contrast to opaque orthographies such as English, where spelling–sound correspondences are often inconsistent. The pronunciation of English vowel letters is in particular very ambiguous. In this paper, we provide a cross-linguistic investigation of orthographic transparency at the word-initial letter–phoneme level, resulting in ranked metrics for the seven languages investigated- Dutch, English, French, German, Hungarian, Italian, and Portuguese, expressed as entropy values. We focus on the contributions of vowels and consonants towards the overall orthographic transparency and provide evidence that deviations from consistent word-initial 1:1 mappings between letters and phonemes influence reaction times in naming tasks. Implications for theories of visual word recognition and speech production will be discussed.  相似文献   
10.
Currently, there is a practical demand and necessity for research on how English-as-a-second language (ESL) learners acquire literacy skills, such as spelling. One important issue of this research agenda is how ESL learners apply first-language knowledge to learning to spell in English. Twenty-seven studies were reviewed that investigated the influence of the first language on ESL learners’ development of English spelling skill. Evidence was found for both positive and negative transfer of first-language knowledge and processes to ESL learners’ English spelling. These results are in agreement with theoretical propositions about the interdependence between first- and second-language academic skills [e.g., Cummins, J. (1981). In California State Department of Education (Ed.), Schooling and language minority students: A theoretical framework (pp. 3–49). Los Angeles: Evaluation, Dissemination, and Assessment Center, California State University, Los Angeles]. The findings are discussed in relation to the ESL learner’s first-language proficiency level and distance between first language and English. Comparisons are drawn between ESL learners’ and English monolinguals’ spelling development and suggestions for future research are provided.  相似文献   
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