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1.
Lucia Mason Patrik Pluchino Nicola Ariasi 《Educational technology research and development : ETR & D》2014,62(6):663-685
Students search the Web frequently for many purposes, one of which is to search information for academic assignments. Given the huge amount of easily accessible online information, they are required to develop new reading skills and become more able to effectively evaluate the reliability of web sources. This study investigates the distribution of their visual attention while reading webpages using eye-tracking methodology. The aim was to examine whether information received differential attention depending on the reliability of the source and whether the individual characteristics of topic-specific prior knowledge and epistemic beliefs moderated their visual behavior during reading. Factual knowledge after reading was also examined. Forty-nine university students read four webpages providing verbal and graphical information about the universal validity of the central dogma of molecular biology, which varied for reliability. Indices of first-pass and second-pass reading or inspection were used to trace the processing of information within each page. Findings revealed that readers made an implicit source evaluation as they spent a longer time inspecting the pictures about the more and less familiar information within the most reliable source during the immediate, more automatic, processing. In addition, topic-specific epistemic beliefs moderated this processing as readers with more availing convictions about knowledge attended more the information provided in pages that required more discernment. Moreover, readers increased their factual knowledge of the topic after reading. Educational implications are outlined. 相似文献
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Jonas K. Enqvist Patrik H. Johansson Thibault Brink-Elfegoun Linda Bakkman Björn T. Ekblom 《Journal of sports sciences》2013,31(9):947-955
Abstract Energy turnover was assessed in two conditions of mixed ultra-endurance exercise. In Study 1, energy expenditure and intake were measured in nine males in a laboratory over 24 h. In Study 2, energy expenditure was assessed in six males during an 800-km Adventure race (mean race time 152.5 h). Individual correlations between heart rate and oxygen uptake ([Vdot]O2) were established during pre-tests when kayaking, cycling, and running. During exercise, energy expenditure was estimated from continuous heart rate recordings. Heart rate and [Vdot]O2 were measured regularly during fixed cycling work rates to correct energy expenditure for drift in oxygen pulse. Mean energy expenditure was 18,050 ± 2,390 kcal (750 ± 100 kcal · h?1) and 80,000 ± 18,000 kcal (500 ± 100 kcal · h?1) in Study 1 and Study 2 respectively, which is higher than previously reported. Energy intake in Study 1 was 8,450 ± 1,160 kcal, resulting in an energy deficit of 9,590 ± 770 kcal. Body mass decreased in Study 1 (?2.3 ± 0.8 kg) but was unchanged in Study 2. Fat mass decreased in Study 2 (?2.3 ± 1.5 kg). In Study 1, muscle glycogen content decreased by only 60%. Adventure racing requires a high energy expenditure, with large inter-individual variation. A large energy deficit is caused by inadequate energy intake, possibly due to suppressed appetite and gastrointestinal problems. The oxygen pulse, comparing start to 12 h of exercise and beyond, increased by 10% and 5% in Study 1 and Study 2 respectively. Hence, estimations of energy expenditure from heart rate recordings should be corrected according to this drift. 相似文献
3.
Patrik Wikstrom 《媒体管理杂志》2013,15(1-2):65-74
The purpose of this explorative study is to contribute to the understanding of current music industry dynamics. The situation is undeniably quite dramatic: Since the turn of the millennium, the global music industry has declined by $US 6.2 billion in value—a fall of 16.3% in constant dollar terms. IFPI, the trade organization representing the international recording industry, identifies a number of exogenous factors as the main drivers of the downturn. This article suggests that other factors, in addition to those identified by IFPI, may have contributed to the current difficulties. A model is presented which indicates that business strategies which were designed to cope with the challenging business environment have reduced product diversity, damaged profitability, and contributed to the problem they were intended to solve. 相似文献
4.
Patrik Steorn 《Curator: The Museum Journal》2012,55(3):355-365
Abstract Important work in the last decades within the museum studies field has laid bare the implicit nationalist, evolutionist, and patriarchal narratives of the traditional museum. So far, though, only a few writers have discussed the museum’s role in supporting “heteronormative” narratives that consolidate heterosexuality as a norm within social and cultural life. This article is a critical discussion of methodological aspects of a queer perspective in interpreting, exhibiting, and organizing museum collections. Two shows with LGBT / queer perspective that were exhibited in Stockholm, Sweden during EuroPride 2008 are the focus of this article’s analysis. They consist of the photo exhibition Show Yourself! at the Nordic Museum, and Queer: Desire, Power, and Identity at the National Museum of Fine Arts. The author himself was the curator of the latter exhibition. This article offers personal reflections on the methodological challenges of translating an abstract queer perspective into museum practice in order to envision online and on‐site museum encounters that can mobilize various kinds of pluralistic passions. 相似文献
5.
Many countries are trying to increase the recruitment to Science, Technology, Engineering and Mathematics (STEM) studies. Some have implemented curriculum reforms to this end, others may do so. Using experiences from curriculum reforms in Germany, the Netherlands and, in particular, Sweden, we consider a proposal from the Royal Society in England about a broader curriculum for 16–19-year-olds, involving more mathematics and science. In Sweden, a curriculum reform in 1995, for 16–20-year-olds, increased the academic content of vocational programmes, including mathematics and science, such that they provided eligibility to university studies. Another reform, in 2011, reinstated the distinctions between vocational and academic programmes and made courses yielding university eligibility compulsory for academic programmes only. Using longitudinal student population data for 1986–2017, we assess the reform outcomes through before-after comparisons. The 1995 reform was followed by decreased recruitment to STEM studies while the opposite was true for the 2011 reform. A reform in Germany requiring students to study more mathematics was not very successful, either. We connect the positive consequences following the 2011 reform to the extensive Swedish opportunities to change study path. Including the option to attend a 1-year ‘add-on’ education programme, enabling students with non-STEM upper secondary background to conduct STEM university studies, changes to STEM programmes dominate changes away from them. Accordingly, we recommend more, not less, flexibility in programme choice, preferably coupled with efforts to improve female STEM attitudes, which have proved effective in Sweden. 相似文献
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The results from an experiment analysing hypertextual semantic linking is reported. In the study participants are asked to describe logical relationships between related, semi-related and unrelated paragraphs of text. It is concluded that existence and themes of relationships are (as expected) fairly consistently recognised, however, specific relationships do not readily fall into natural predicate like statements. Purely thematic relationships, or a palette of available relationships might be the more practical approach. Further work on dynamic linking in hypertext documents is also reported. Dynamic linking eliminates some of the problems associated with a mismatch between the mental models of authors and readers and allows the readers to construct their own hypertexts from linear documents. This approach offers useful data on logical connectivity in hypertext documents but also represents an alternative to conventional hypertext authoring and reading. 相似文献
8.
Juhani Lehto Patrik Scheinin Sirkku Kupiainen Jarkko Hautamki 《Journal of Research in Reading》2001,24(1):99-110
As a part of an extensive project for the evaluation of the Finnish comprehensive school, a recently developed reading comprehension measure; a hierarchy‐rating test, and a more conventional multiple‐choice task were used to assess reading comprehension skills in population‐based samples of 2,891 sixth‐graders (12–13 years old) and 1,953 (15–16 years old) ninth‐graders. The hierarchy‐rating task was constructed within the theoretical framework proposed by W. Kintsch and van Dijk (1978). It was designed to examine the cognitively high‐level text processing, or macroprocessing, of expository passages. The multiple‐choice task and the hierarchy‐rating task showed only a moderate intercorrelation. Girls outperformed boys regardless of the comprehension measure. Performance on both measures, but particularly on hierarchy‐rating, correlated with school achievement (r=0.44 and 0.53 respectively, p<0.001). In general, the results are in agreement with previous research. The paper also discusses the educational implications of the survey. 相似文献
9.
Per Anderhag Patrik Emanuelsson Per-Olof Wickman Karim Mikael Hamza 《International Journal of Science Education》2013,35(18):3141-3160
It is commonly argued that socio-economic inequalities can explain many of the differences in achievement and participation in science education that have been reported among countries and among schools within a country. We addressed this issue by examining (a) the relationship between variables associated with socio-economic background and application frequencies to the Swedish Natural Science Programme (NSP) in upper secondary school and (b) whether there are lower secondary schools in Sweden that seem to compensate for these variables. Data from Statistics Sweden (SCB) covering the whole population of 106,483 ninth-grade students were used to calculate the probability for each student to apply to the NSP. Our results indicate that the variables, such as parental educational level and grades, have explanatory power, but with varying effect for different subpopulations of students. For example, grades in mathematics have a greater impact than grades in science for females' choice of the NSP. The opposite holds for male students. Out of 1,342 schools, 158 deviated significantly from predicted, that is, the students in these schools applied to the NSP in greater or lesser extent than expected. The number of deviating schools is greater than predicted by pure random variation. This suggests that variables of socio-economic background are only a partial explanation of the application frequencies, and that the deviation needs to be investigated further. Our findings suggest that in order to understand why schools deviate positively and so compensate for the socio-economic background of their students, we need to study their practices more closely. 相似文献
10.
Lucia Mason Patrik Pluchino Maria Caterina Tornatora Nicola Ariasi 《Journal of Experimental Education》2013,81(3):356-384
This study investigated the online process of reading and the offline learning from an illustrated science text. The authors examined the effects of using a concrete or abstract picture to illustrate a text and adopted eye-tracking methodology to trace text and picture processing. They randomly assigned 59 eleventh-grade students to 3 reading conditions: (a) text only; (b) text with a concrete illustration; and (c) text with an abstract illustration in a pretest, immediate, and delayed posttest design. Results showed that the text illustrated by either the concrete or the abstract picture led to better learning than did the text alone. Eye-fixation data revealed that the abstract illustration promoted more efficient processing of the text. Analyses of the gaze shifts between the 2 types of external representation indicated that the readers of the text with the abstract illustration made a greater effort to integrate verbal and pictorial information. Furthermore, relations between online and offline measures emerged. 相似文献