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ABSTRACTThis mixed-methods study sought to identify professional development implementation variables that may influence participant (a) adoption of simulations, and (b) use for inquiry-based science instruction. Two groups (Cohort 1, N = 52; Cohort 2, N = 104) received different professional development. Cohort 1 was focused on Web site use mechanics. Cohort 2 was situated in nature and provided three additional elements: (a) modeling simulation use within inquiry-based instruction; (b) collaboration; and (c) provision of content-relevant lesson planning time. There was no difference in the extent of simulation use between cohorts, χ2(1) = 0.878, p = .349, φ = ?0.075. Results were inconclusive for a difference in observed inquiry instruction as Fisher's Exact Test was insignificant but had a medium effect size, p = .228, φ = 0.283. Computer-based standardized tests emerged as a novel technology integration barrier. These findings have implications for school policy, professional development, and future research. 相似文献
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Asia Pacific Education Review - One of the characteristics of a 21st-century learner is being technologically adept. Technology has a significant contribution to modern-day education in the heyday... 相似文献
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Critical patriotism is an ideal in many liberal Western nations. Few studies, however, explore how teachers understand and teach critical patriotism and the possible tensions arising from its adoption, especially in non-Western contexts. This qualitative case study explores the understandings and practices of two Social Studies teachers from an elite girls’ school in Singapore to understand how they negotiate the tensions that arise when critical thinking and patriotism meet. The findings show that the teachers perceive little contradiction between patriotism and critical thinking and, hence, generally taught in line with democratic citizenship education. They encouraged students to discuss controversial policies, brought in diverse perspectives and challenged the status quo. However, sensitive to the socio-political context in Singapore, they sought consensus instead of contestation, gradual change instead of radical change, in contrast to the spirit of critical patriotism. These findings suggest that in Singapore, where communitarian values are promoted, critical patriotism was expressed differently. Constructive patriotism may be a better term to describe the type of patriotism observed in the teachers. 相似文献
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This study was designed to use critical reflective journaling practices to explore the experiences of preservice teachers working in a juvenile justice education program called the Reach Academy. Using a qualitative case study design, the researchers explored how 48 preservice teachers utilized critical reflective journaling to examine their own identities in relation to working in this unique school setting. Three major themes emerged from the reflective journal and interview data: (a) participants preconceived notions were challenged based on their positive interactions with Reach students, (b) preservice participants engaged in critical observation of the Reach Academy teachers and their interactions with students, and (c) participants' focus shifted from themselves to their students' needs. Findings suggest that preservice teachers reflective journaling process facilitated their ability to examine and reconsider their preconceived notions about working with students at the Reach Academy and in other diverse schooling settings. 相似文献
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Williams JP Nubla-Kung AM Pollini S Stafford KB Garcia A Snyder AE 《Journal of learning disabilities》2007,40(2):111-120
This study evaluated the effectiveness of a comprehension program integrated with social studies instruction designed for at-risk second graders. The program included instruction in cause-effect text structure, emphasizing clue words, generic questions, graphic organizers, and the close analysis of specially constructed cause-effect target paragraphs. This program was compared (a) to a content-only program that focused only on social studies and did not include text structure instruction and (b) to a no-instruction control. Fifteen classroom teachers, randomly assigned to treatment, provided the instruction. The program improved the comprehension of instructional cause-effect texts, and there were transfer effects on some comprehension measures. The performance of the 2 instructed groups did not differ on any of the content measures, indicating that such integrated instruction can be accomplished without a loss in the amount of content acquired. This study supports our previous findings on the effectiveness of explicit instruction at the primary-grade level. 相似文献
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Campbell AM Ledbetter ML Hoopes LL Eckdahl TT Heyer LJ Rosenwald A Fowlks E Tonidandel S Bucholtz B Gottfried G 《CBE life sciences education》2007,6(2):109-118
The Genome Consortium for Active Teaching (GCAT) facilitates the use of modern genomics methods in undergraduate education. Initially focused on microarray technology, but with an eye toward diversification, GCAT is a community working to improve the education of tomorrow's life science professionals. GCAT participants have access to affordable microarrays, microarray scanners, free software for data analysis, and faculty workshops. Microarrays provided by GCAT have been used by 141 faculty on 134 campuses, including 21 faculty that serve large numbers of underrepresented minority students. An estimated 9480 undergraduates a year will have access to microarrays by 2009 as a direct result of GCAT faculty workshops. Gains for students include significantly improved comprehension of topics in functional genomics and increased interest in research. Faculty reported improved access to new technology and gains in understanding thanks to their involvement with GCAT. GCAT's network of supportive colleagues encourages faculty to explore genomics through student research and to learn a new and complex method with their undergraduates. GCAT is meeting important goals of BIO2010 by making research methods accessible to undergraduates, training faculty in genomics and bioinformatics, integrating mathematics into the biology curriculum, and increasing participation by underrepresented minority students. 相似文献
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Desbrow B Biddulph C Devlin B Grant GD Anoopkumar-Dukie S Leveritt MD 《Journal of sports sciences》2012,30(2):115-120
This study investigated the effects of two different doses of caffeine on endurance cycle time trial performance in male athletes. Using a randomised, placebo-controlled, double-blind crossover study design, sixteen well-trained and familiarised male cyclists (Mean ± s: Age = 32.6 ± 8.3 years; Body mass = 78.5 ± 6.0 kg; Height = 180.9 ± 5.5 cm VO2(peak) = 60.4 ± 4.1 ml x kg(-1) x min(-1)) completed three experimental trials, following training and dietary standardisation. Participants ingested either a placebo, or 3 or 6 mg x kg(-1) body mass of caffeine 90 min prior to completing a set amount of work equivalent to 75% of peak sustainable power output for 60 min. Exercise performance was significantly (P < 0.05) improved with both caffeine treatments as compared to placebo (4.2% with 3 mg x kg(-1) body mass and 2.9% with 6 mg x kg(-1) body mass). The difference between the two caffeine doses was not statistically significant (P = 0.24). Caffeine ingestion at either dose resulted in significantly higher heart rate values than the placebo conditions (P < 0.05), but no statistically significant treatment effects in ratings of perceived exertion (RPE) were observed (P = 0.39). A caffeine dose of 3 mg x kg(-1) body mass appears to improve cycling performance in well-trained and familiarised athletes. Doubling the dose to 6 mg x kg(-1) body mass does not confer any additional improvements in performance. 相似文献