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It is argued that online discussion is a useful tool for creating opportunities for learning in teacher education. In a project designed to improve the practicum in rural areas, researchers placed pre-service teachers (PSTs) in two different moderated online discussion forums: an unstructured personal blog space and a structured threaded discussion forum where discussion topics guided them to reflect on their practicum experiences in relation to theoretical components of their studies. Findings indicated a marked difference in the contributions made to each form of online discussion with significantly greater participation in the unstructured blog format. Using Kreber and Cranton’s hierarchy of reflection, analyses of both forums found that PSTs rarely engaged in high-level reflection. Examination of lecturer involvement in the forums suggests that their contributions did not sufficiently encourage PSTs towards optimum critical reflection. These results leave the researchers considering ways in which the practicum experience can better promote reflective practice in this crucial, component of teacher education. 相似文献
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The polyadenylation code: a unified model for the regulation of mRNA alternative polyadenylation 总被引:3,自引:2,他引:1
The majority of eukaryotic genes produce multiple mRNA isoforms with distinct 3′ ends through a process called mRNA alternative polyadenylation (APA). Recent studies have demonstrated that APA is dynamically regulated during development and in response to environmental stimuli. A number of mechanisms have been described for APA regulation. In this review, we attempt to integrate all the known mechanisms into a unified model. This model not only explains most of previous results, but also provides testable predictions that will improve our understanding of the mechanistic details of APA regulation. Finally, we briefly discuss the known and putative functions of APA regulation. 相似文献
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Irene Malcolm 《Learning, Media and Technology》2014,39(4):449-467
Against the backdrop of intensified migration linked to globalisation, this article considers the implications of knowledge migration for future digital workers. It draws empirically on a socio-material analysis of the international software localisation industry. Localisers' work requires linguistic, cultural and software engineering skills to adapt digital products to be marketed worldwide. The article addresses the problem of the need for better understanding of knowledge practices in digital working and offers new insights by examining work and learning against the theoretical question of how knowledge migrates. Drawing on the writing of sociologist Karin Knorr Cetina, it illustrates how workers reformulate knowledge and practise visibility through object relations that support learning. The article concludes with five recommendations for incorporating insights gained through this analysis in education. 相似文献
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Malcolm MacLean 《Sport in Society》2018,21(9):1489-1491
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Annie Nickum Emily Johnson-Barlow Rebecca Raszewski Ryan Rafferty 《Journal of the Medical Library Association》2022,110(3):358
Objective:Point-of-care tools (PoCTs) provide evidence-based information on patient care and procedures at the time of need. Registered nurses have unique practice needs, and many PoCTs are marketed to support their practice. However, there is little reported evidence in the literature about evaluating nursing-focused PoCTsCase Presentation:The investigators developed a rubric containing evaluation criteria based on content, coverage of nursing topics, transparency of the evidence, user perception, and customization of PoCTs for supporting nursing practice. The investigators selected five PoCTs cited in the literature and of interest to local nursing leadership: ClinicalKey for Nursing, DynaMed, Lippincott''s Advisor and Procedures, Nursing Reference Center Plus, and UpToDate. Application of the rubric found Lippincott had the highest coverage of diagnoses, while ClinicalKey for Nursing had strong content focused on interventions and outcomes. Nursing Reference Center Plus provided the most well-rounded coverage of nursing terminology and topics. DynaMed and UpToDate were more transparent with indicating conflict of interest, but both had lower coverage of nursing terminology, content, and care processes.Conclusion:None of the five PoCTs strongly met all of the evaluated criteria. The rubric developed for this study highlights each PoCT''s strengths and weaknesses that can then be used to inform the decision-making process based on priorities and budget. The investigators recommend licensing a nursing PoCT and a PoCT like DynaMed or UpToDate to provide comprehensive, evidence-based, patient care coverage and to meet the diverse information needs of nurses. 相似文献