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Scientific journals are the primary mode of formal communication in science. The ISI Impact factor, a bibliometric indicator that measures the citation rate of the “average” article in a journal, has been widely used for the assessment of the quality of scientific production of individuals, research teams or institutions. The purpose of this paper was to present the impact factor, examine the main limitations in its calculation and applications and to give a general overview of the impact factor of education journals for the period 2000–2005. Several problems related to the calculation of the impact factor have raised serious concerns about its validity and usefulness. Our findings suggest that education journals included in the Journal Citation Reports (JCR) represent about 11% of the active, referred, academic journals. Education journals have relative low impact factors, in absolute values and in comparison to other Social Science categories. Application of the intraclass correlation coefficient showed that journals belonging to the “Education and Educational Research” category had relative stable impact factor values for the examined 6 years. This was not the case for the journals from the “Education, Special” category. It was concluded that the use of impact factor for the evaluation of journals, articles and researchers should be done with considerable care. 相似文献
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Eleni Morfidi Anastasios Mikropoulos Aspasia Rogdaki 《Education and Information Technologies》2018,23(1):271-286
The present study examined whether the use of concept mapping is more effective in teaching expository material in comparison to a traditional, lecture only, approach. Its objective was threefold. First, to determine if multimedia concept mapping produces differential learning outcomes compared to digital text-based concept mapping. Secondly, to compare the above experimental approaches to traditional teaching and finally to demonstrate if there are significant differences in the level of satisfaction reported by children under the three instructional approaches used. Thirty fifth grade children participated from which three groups of poor readers were formed, matched on age, gender and reading ability. The two experimental groups were taught with the use of digital text-based and multimedia concept maps respectively and the control group was subjected to the traditional teaching method of expository material. Each group had three sessions of instruction on three different expository texts. The results indicated that concept mapping can be an effective means for teaching expository content. However, there were no differential learning outcomes when adding multimedia elements to concept maps. Moderate satisfaction was reported for all three approaches. The findings coincide with the body of literature emphasizing the importance of concept mapping in the learning and instruction of children with reading difficulties. The study’s results inform potential educators on the use of multimedia with poor readers in elementary school. 相似文献
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ABSTRACTDeveloping Physical Literacy (PL) in children is considered a promising concept for establishing active lifestyle habits; yet research evidence is scarce. This study aimed at comprehensively assessing PL in 8-12-year-old Greek children. For that purpose, the Canadian Assessment of Physical Literacy (CAPL-2) was administered to 715 children (M age = 10.2, SD = 1.3 years). Analyses of variance were applied on participants’ total, domain and individual measures scores, examining potential gender and age differences; whereas, participants’ classification and proportion across CAPL-2 interpretive categories were computed. Results revealed that there were no practically important differences (η2 < .14) between boys and girls or younger (grades 3 & 4) and older children (grades 5 & 6). Greek children presented insufficient levels of PL (their total score classified them into “progressing” PL level). CAPL-2 domains and individual measures scores showed that participants were highly motivated and felt confident to participate in physical activity (PA); however, they exhibited low PA as well as unsatisfactory physical competence, knowledge, and understanding to value and take responsibility for engagement in PA. Although further research is needed for a comprehensive picture of PL correlates, our findings highlight the need for providing Greek children with ample opportunities to enhance their PL. 相似文献
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Aspasia Togia 《Behavioral & Social Sciences Librarian》2013,32(2):86-102
The purpose of this study was to examine the impact factor of cognitive psychology journals indexed in the Science and Social Sciences edition of Journal Citation Reports (JCR) database over a period of 10 consecutive years. Cognitive psychology journals were indexed in 11 different subject categories of the database. Their mean impact factor ranged from 1.580 to 2.526. In relation to the subject categories of the Social Sciences edition, cognitive psychology journals were placed between the fourth and the sixth position for the years 2007–2009. Lower positions were observed in relation to the categories in the Science edition. Calculation of the intraclass correlation coefficient showed that cognitive psychology journals were relatively stable in the examined period. 相似文献
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