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نتیجه جستجو - Systematic review

تعداد مقالات یافته شده: 36
ردیف عنوان نوع
1 Concurrence of big data analytics and healthcare: A systematic review
انطباق با تجزیه و تحلیل داده های بزرگ و مراقبت های بهداشتی: یک مرور سیستماتیک-2018
Background: The application of Big Data analytics in healthcare has immense potential for improving the quality of care, reducing waste and error, and reducing the cost of care. Purpose: This systematic review of literature aims to determine the scope of Big Data analytics in healthcare including its applications and challenges in its adoption in healthcare. It also intends to identify the strategies to overcome the challenges. Data sources: A systematic search of the articles was carried out on five major scientific databases: ScienceDirect, PubMed, Emerald, IEEE Xplore and Taylor & Francis. The articles on Big Data analytics in healthcare published in English language literature from January 2013 to January 2018 were considered. Study selection: Descriptive articles and usability studies of Big Data analytics in healthcare and medicine were selected. Data extraction: Two reviewers independently extracted information on definitions of Big Data analytics; sources and applications of Big Data analytics in healthcare; challenges and strategies to overcome the challenges in healthcare. Results: A total of 58 articles were selected as per the inclusion criteria and analyzed. The analyses of these articles found that: (1) researchers lack consensus about the operational definition of Big Data in healthcare; (2) Big Data in healthcare comes from the internal sources within the hospitals or clinics as well external sources including government, laboratories, pharma companies, data aggregators, medical journals etc.; (3) natural language processing (NLP) is most widely used Big Data analytical technique for healthcare and most of the processing tools used for analytics are based on Hadoop; (4) Big Data analytics finds its application for clinical decision support; optimization of clinical operations and reduction of cost of care (5) major challenge in adoption of Big Data analytics is non-availability of evidence of its practical benefits in healthcare. Conclusion: This review study unveils that there is a paucity of information on evidence of real-world use of Big Data analytics in healthcare. This is because, the usability studies have considered only qualitative approach which describes potential benefits but does not take into account the quantitative study. Also, majority of the studies were from developed countries which brings out the need for promotion of research on Healthcare Big Data analytics in developing countries.
Keywords: Big data , Analytics , Healthcare , Predictive analytics , Evidence-based medicine
مقاله انگلیسی
2 ٍٍEducational apps from the Android Google Play for Greek preschoolers: A systematic review
برنامه های کاربردی آموزشی از بازی اندروید گوگل برای پیش دبستانی های یونان: یک بررسی سیستماتیک-2018
In the seven years since the introduction of the tablet (Apple iPad) in 2010, the use of software for smart mobile devices has grown rapidly in popularity and has become a hotly debated issue in the field of education and child development. However, the rise in popularity of mobile applications (apps) mainly addressed to young children is not in line with a corresponding increase in their quality, as there is conflicting evidence about the real value and suitability of educational apps. The purpose of this study was to examine whether self-proclaimed educational apps for Greek preschoolers have been designed in accordance with developmentally appropriate standards to contribute to the social, emotional and cognitive development of children in formal and informal learning environments. The study results were discouraging. The majority of the apps aimed to teach children the basics about numbers and letters. Overall, they were drill-and-practice-style, based on a low level of thinking skills, thereby promoting rote learning, and were unable to contribute to a deeper conceptual understanding of certain concepts.
keywords: Media in education| Applications in subject areas| Elementary education| Interactive learning environments
مقاله انگلیسی
3 Teachers’ beliefs about creativity and its nurture: A systematic review of the recent research literature
باورهای معلم درباره خلاقیت و ماهیت آن: یک مرور سیستماتیک روی منابع علمی اخیر-2018
The successful implementation of creativity in education is largely dependent on teachers own beliefs about creativity, which have been investigated extensively in the past 25 years. With the growing emphasis of creativity in education, teachers today might not hold the same beliefs highlighted by earlier research. The current systematic literature review sought to identify, describe, appraise and synthesize the most rigorously available recent empirical evidence base on in-service K-12 teachers beliefs about creativity. 53 studies published between 2010 and 2015 were included in the review. Findings suggest that teachers hold several beliefs that enable and numerous that hinder creativity development in schools. The review also highlighted recurrent incongruence between teachers positive or adequate beliefs and their enacted classroom practices. Finally, several contextual, student- and teacher-related factors were identified as influencing teachers beliefs about creativity. Overall, teachers’ beliefs were found to be heavily context-dependent. Implications for policy, practice and research are discussed.
keywords: Creativity| Education| Implicit theories| Teachers beliefs| Beliefs and practice| Systematic literature review
مقاله انگلیسی
4 Domains and predictors of first-year student success: A systematic review
دامنه ها و عوامل پیش بینی کننده موفقیت دانشجوی سال اول: یک مرور سیستماتیک-2018
The predictors of first-year student success received much attention in educational practice and theory. However, first-year student success can be defined in various ways. By studying different theoretical research strands, we developed a conceptual framework consisting of three domains of first-year student success, namely students academic achievement, critical thinking skills, and social-emotional well-being. The goal of this systematic literature review was to illustrate whether the predictors and their effects are similar and/or different across these three domains of first-year student success. A systematic search yielded 80 articles that were eligible. The results indicated that some predictors contributed to multiple domains of success, namely students’ previous academic performance, study skills, motivation, social relationships, and participation in first-year programs. Further, some predictors were typical for a specific domain. Academic achievement and social-emotional well-being were particularly related to factors within the student, whereas critical thinking skills were more related to the learning environment.
keywords: Systematic review| Academic achievement| Critical thinking| Well-being| First-year university student
مقاله انگلیسی
5 Understanding crowdsourcing projects: A systematic review of tendencies, workflow, and quality management
درک پروژه های منبع یابی گروهی: یک مرور سیستماتیک روی گرایش ها، جریان کار و مدیریت کیفیت-2018
Crowdsourcing is a powerful method that leverages human intelligence to solve problems in the medical, linguistics, machine learning, and in a considerable number of other fields of study. This systematic review aims to understand how crowdsourcing projects are designed and executed in the state-of-the-art, considering the following dimensions: Task execution, quality management, and platform usage. Our results summarized trends of the important aspects of a crowdsourcing project, such as crowd and task types, crowdsourcing platforms, and activities used to manage the quality; we also addressed functions and limitations in traditional crowdsourcing platforms, the definition of a crowdsourcing workflow, and the lack of standardization when developing a crowdsourcing project. As future works, we wish to design a conceptual model that represents the important elements of a crowdsourcing project and their relationships, also, we wish to do further researchers focusing on how the quality mechanisms listed in this work should be used in crowdsourcing projects to get reliable results.
keywords: Previous articleNext article Keywords: Systematic review| Crowdsourcing| Crowdsourcing projects| Quality management| Crowdsourcing workflow
مقاله انگلیسی
6 Social network data to alleviate cold-start in recommender system: A systematic review
داده های شبکه های اجتماعی برای سبک کردن شروع دوباره در سیستم توصیه گر: یک مرور سیستماتیک-2018
Recommender Systems are currently highly relevant for helping users deal with the information overload they suffer from the large volume of data on the web, and automatically suggest the most appropriate items that meet users needs. However, in cases in which a user is new to Recommender System, the system cannot recommend items that are relevant to her/him because of lack of previous information about the user and/or the user-item rating history that helps to determine the users preferences. This problem is known as cold-start, which remains open because it does not have a final solution. Social networks have been employed as a good source of information to determine users preferences to mitigate the cold-start problem. This paper presents the results of a Systematic Literature Review on Collaborative Filtering-based Recommender System that uses social network data to mitigate the cold-start problem. This Systematic Literature Review compiled the papers published between 2011–2017, to select the most recent studies in the area. Each selected paper was evaluated and classified according to the depth which social networks used to mitigate the cold-start problem. The final results show that there are several publications that use the information of the social networks within the Recommender System; however, few research papers currently use this data to mitigate the cold-start problem.
keywords: Cold start| Social network| Collaborative filtering| Recommender system| Systematic literature review
مقاله انگلیسی
7 A systematic review of cloud computing tools for collaborative learning: Opportunities and challenges to the blended-learning environment
یک مرور سیستماتیک روی ابزار محاسبه ابری برای یادگیری مشارکتی: فرصت ها و چالش ها برای محیط یادگیری ترکیبی-2018
The use of online collaborative learning activities has been notably supported by cloud computing. Although specific reference has been made to a certain online application or service, there has been no clear understanding of how different cloud computing tools have shaped the concept of collaborative learning, and the extent to which these resources are accessible to todays students. Thus, a review of the literature was conducted to identify studies on cloud computing tools for collaborative learning in a blended classroom. The review of the literature led to the inclusion of 29 relevant studies categorized as synchronized tools, Learning Management System (LMS) tools, and social networking tools. The review results revealed a set of evidences supporting the use of certain cloud computing tools for certain collaborative learning activities categorized under sharing, editing, communication and discussion. The key opportunities and challenges associated with the use of these tools in a blended learning context were also identified and discussed. Findings from this study will certainly help academicians, practitioners and researchers to understand the potential of using cloud computing environments from a wider perspective.
keywords: Collaborative learning |Distance education and telelearning |Learning communities |Lifelong learning
مقاله انگلیسی
8 Social commerce: A systematic review and data synthesis
تجارت اجتماعی: یک مرور سیستماتیک و ساخت داده-2018
Social commerce contributes multi-disciplinary knowledge concerning psychology, sociology, computer science, and marketing in business. Its development complicated due to various fields involved that range from arithmetic patterns to marketing management. In this study, we conduct a systematic review of social commerce research by synthesizing 407 papers from academic publications between 2006 and 2017. This study focuses on three overarching questions: (1) What is current social commerce research? (2) Which research methods have been used in social commerce? (3) What are some potential areas for social commerce research in the future? We delineate the various facets of social commerce – definitions, differences, types and technologies, challenges and benefits, models and frameworks – in an all-encompassing taxonomy that enables us to answering the first question. To solve the second question, we applied different methods and techniques. Finally, we offer guidelines on the directions for future research, and intend that this work will serve as a roadmap for understanding the research literature within the field of social commerce.
keywords: E-commerce |Literature survey |Research directions |Research synthesis |Social commerce |Social media |Taxonomy |Web 2.0
مقاله انگلیسی
9 The use of mobile learning in higher education: A systematic review
استفاده از یادگیری سیار در آموزش عالی: یک مرور سیستماتیک-2018
Mobile device ownership has exploded with the majority of adults owning more than one mobile device. The largest demographic of mobile device users are 18–29 years old which is also the typical age of college attendees. This systematic review provides the scholarly community with a current synthesis of mobile learning research across 2010–2016 in higher education settings regarding the purposes, outcomes, methodologies, subject matter domains, educational level, educational context, device types and geographical distribution of studies. Major findings include that the majority of the studies focused on the impact of mobile learning on student achievement. Language instruction was the most often researched subject matter domain. The findings reveal that 74% involved undergraduate students and 54% took place in a formal educational context. Higher education faculty are encouraged to consider the opportunity to expand their learning possibilities beyond the classroom with mobile learning.
keywords: Higher education |Mobile learning |Mlearning |Tertiary |Cell phones
مقاله انگلیسی
10 Augmented reality for STEM learning: A systematic review
واقعیت تقویت شده برای یادگیری STEM: یک مرور سیستماتیک-2018
This study presents a systematic review of the literature on the use of augmented reality technology to support science, technology, engineering and mathematics (STEM) learning. It synthesizes a set of 28 publications from 2010 to 2017. A qualitative content analysis is used to investigate the general characteristics of augmented reality applications in STEM education, the instructional strategies and techniques deployed in the studies reviewed, and the evaluation approaches followed in the interventions. This review found that most augmented reality applications for STEM learning offered exploration or simulation activities. The applications reviewed offered a number of similar design features based on digital knowledge discovery mechanisms to consume information through the interaction with digital elements. However, few studies provided students with assistance in carrying out learning activities. Most of the studies reviewed evaluated the effects of augmented reality technology in fostering students conceptual understanding, followed by those that investigated affective learning outcomes. A number of suggestions for future research arose from this review. Researchers need to design features that allow students to acquire basic competences related with STEM disciplines, and future applications need to include metacognitive scaffolding and experimental support for inquiry-based learning activities. Finally, it would be useful to explore how augmented reality learning activities can be part of blended instructional strategies such as the flipped classroom.
keywords: Augmented reality |Applications in STEM education |Interactive learning environments |Systematic review
مقاله انگلیسی
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