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Psychological well-being of COVID positive patients during quarantine in a South Indian Private Hospital 南印度一家私立医院隔离期间COVID阳性患者的心理健康状况
Pub Date : 2021-01-01 DOI: 10.26697/ijsa.2021.1.5
S. Chakrabarti
Background: The Coronavirus disease 2019 (COVID-19) pandemic has led to unparallel hazards to mental health globally. Many countries around the world have introduced quarantine measures. Quarantine has changed not only the plans of most people, but also their way of life. The greatest impact of quarantine is experienced by COVID positive patients who are isolated in a hospital. The aim of the study: to explore psychological well-being of COVID positive patients during quarantine in a private hospital. Materials and Methods: In this study, 100 patients who were COVID positive were requested to fill the Quality of Life Questionnaire. A pre-validated questionnaire was used to assess the depression score amongst COVID positive patients. The analysis of the answers and respondent opinions was conducted using the Pearson method, which produced statistically relevant results. Results: The studied aspects of mental health patients: sleep, appetite, crying spells; happiness and hope for the future; ability to concentrate and focus and getting disturbed easily by trivia; support received from family and friends; overall outlook of life and ability to stay happy in solitude. As a result, qualitative indicators of the patients’ mental health during quarantine in a private hospital were obtained. Conclusions: The data obtained showed that patients managed to stay happy and eat well but they talked less, had disturbed sleep and did not look forward towards a hopeful future. Some were able to shake away the blues with family, friends on Online Media but some got depressed and got crying spells and thought that their life was a failure. The study concluded that patients on quarantine were often depressed. Many patients might benefit if psychological counselling and support are employed during quarantine measures.
背景:2019冠状病毒病(COVID-19)大流行给全球精神健康带来了前所未有的危害。世界上许多国家都采取了隔离措施。隔离不仅改变了大多数人的计划,也改变了他们的生活方式。隔离的影响最大的是在医院隔离的COVID阳性患者。目的:探讨某民营医院新冠肺炎阳性患者隔离期间的心理健康状况。材料与方法:选取100例COVID阳性患者填写生活质量问卷。使用预验证问卷评估COVID阳性患者的抑郁评分。使用Pearson方法对答案和受访者意见进行了分析,得出了统计上相关的结果。结果:研究心理健康患者的睡眠、食欲、哭闹症状;对未来充满幸福和希望;能够集中注意力,不容易被琐事打扰;来自家人和朋友的支持;全面的人生观和在孤独中保持快乐的能力。从而获得了某民营医院隔离期间患者心理健康的定性指标。结论:获得的数据显示,患者设法保持快乐,吃得好,但他们说话少,睡眠受到干扰,对未来没有希望。有些人能够在网络媒体上与家人和朋友一起摆脱忧郁,但有些人却变得沮丧,哭泣,认为他们的生活是失败的。研究得出的结论是,被隔离的病人往往情绪低落。如果在隔离措施期间采用心理咨询和支持,许多患者可能会受益。
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引用次数: 0
Interdisciplinary integrated tools to problem solving: How to apply to writing a thesis and plan research 解决问题的跨学科综合工具:如何应用于撰写论文和计划研究
Pub Date : 2021-01-01 DOI: 10.26697/ijsa.2021.2.5
M. Espona
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引用次数: 0
Perception of Students on Online Self-Assessment Tool in Anatomy During COVID-19 Crisis 新冠肺炎危机期间学生对解剖学在线自我评估工具的认知
Pub Date : 2020-12-20 DOI: 10.26697/ijsa.2020.2.3
S. Chakrabarti, Bhansali Miss Vidya
Background and Aim of Study: As anatomy subject is the basis of the MBBS curriculum, it’s clear understanding and knowledge is needed. Syllabus of anatomy is vast and also volatile, to summarise large amounts of facts and train students for acquisition of the skills, we believe that students learn by practice. Due to COVID-19 crisis on educational system online learning and assessment of students has become a preferable replacement of conventional in person teaching and learning. The aim of the study: to determine the perception of first year MBBS students on online self-assessment tool in anatomy, to evaluate their academic achievements during COVID-19 crisis. Material and Methods: The present study included 50 students of first year MBBS of Saveetha Medical College. Steps to conduct the aim for divided in two google forms, one contains challenging questions on the topic Lungs and Heart and other was a questionnaire to know the students’ perception on this online assessment tool. Results: It was observed that majority of the students have attempted the first google form and have also performed really well in it. 80% of the students were successful in giving the right answer for the questions given. In the second google form, which was a questionnaire, 85% of the students have found this online self-assessment to be really useful, interesting and easy way of learning. They found the questions to be challenging and help them to remember the topic in a long run. 91% of the students have liked the way of learning. Conclusions: Online self-assessment tool definitely proved to be a student friendly method of learning. This method gave them a way to learn and practice their subject topics as well as helped them in improving their perception and memory.
研究背景和目的:解剖学学科是MBBS课程的基础,需要对解剖学学科有明确的认识和认识。解剖学的教学大纲庞大而多变,为了总结大量的事实和训练学生获得技能,我们相信学生在实践中学习。由于新冠肺炎疫情对教育系统的冲击,在线学生学习和评估已成为传统面对面教学的首选替代方式。本研究的目的是:确定MBBS一年级学生对解剖学在线自我评估工具的看法,以评估他们在COVID-19危机期间的学术成就。材料与方法:本研究包括50名Saveetha医学院MBBS一年级学生。实施步骤分为两个谷歌形式,一个包含关于肺和心脏主题的挑战性问题,另一个是问卷调查,以了解学生对这个在线评估工具的看法。结果:绝大多数学生都尝试过第一阶段的谷歌形式,并取得了很好的成绩。80%的学生成功地对所给的问题给出了正确的答案。第二种谷歌形式是一份问卷,85%的学生认为这种在线自我评估是一种非常有用、有趣和简单的学习方式。他们发现这些问题具有挑战性,有助于他们长期记住主题。91%的学生喜欢这种学习方式。结论:在线自评工具是一种对学生友好的学习方法。这种方法给他们提供了一种学习和练习主题的方法,也帮助他们提高了感知能力和记忆力。
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引用次数: 1
Article Review “Phenomenological Perspective in Researching Immigrant Children’s Experience”, Authors Batuchina A., Straksiene G. 文章综述“研究移民儿童经历的现象学视角”,作者Batuchina A.,Straksiene G。
Pub Date : 2020-12-20 DOI: 10.26697/IJSA.2020.2.8
Emilia Alaverdov
The article of Batuchina and Straksiene “Phenomenological Perspective in Researching Immigrant Children’s Experience” has been published in the International Journal of Science Annals, Vol. 2, No. 1-2, 2019. Migration became one of the most acute problems of the modern world, which involves both political and social spectrums and became a very complex problem, which is very difficult to study from the Phenomenological Perspective. Everyone is well aware that to manage such large surges of migrants is practically impossible, as, for the scientists, they even do not have a united approach to the research of this unsolved phenomenon. For certain reasons people, in most cases, families have to change their dwelling spaces, to move from one country or city to another. Without even considering the physiological stress of the family members, especially children or elderlies. Among the many problems, which migrants face in a host country the most acute one is an adaptation. There is a mistaken perception that children adapt to every novelty and situation easily than adults, however, in this regards children are the most vulnerable. Here the problem is that in most cases, children are not even listed, since parents are concerned about searching for jobs and finding the ways to adapt to a new space. The authors explain that the meaning of migration is minimized for children and that adults do not pay attention to it. However, the experience of grown-ups draws significant attention.
巴图奇纳和斯特拉克西内的文章《移民儿童体验研究中的现象学视角》发表在《国际科学学报》2019年第2卷第1-2期。移民问题成为现代世界最尖锐的问题之一,它涉及政治和社会两个层面,是一个非常复杂的问题,很难从现象学的角度进行研究。每个人都很清楚,管理如此大规模的移民潮实际上是不可能的,因为对于科学家来说,他们甚至没有一个统一的方法来研究这一尚未解决的现象。由于某些原因,人们,在大多数情况下,家庭不得不改变他们的居住空间,从一个国家或城市搬到另一个国家或城市。甚至没有考虑到家庭成员,特别是儿童或老人的生理压力。在移民在东道国面临的许多问题中,最严重的问题是适应问题。人们有一种错误的看法,认为儿童比成年人更容易适应每一种新鲜事物和环境,然而,在这方面,儿童是最脆弱的。这里的问题是,在大多数情况下,孩子甚至没有被列入名单,因为父母担心找工作和找到适应新环境的方法。作者解释说,移民对儿童的意义被最小化,成年人也不会注意到这一点。然而,成年人的经历引起了极大的关注。
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引用次数: 0
Article Review “Sensorimotor criteria for the formation of the autonomic overstrain of the athletes’ cardiovascular system”, authors Romanchuk O. P., Guzii O. V. “运动员心血管系统自主神经过度紧张形成的感觉运动标准”,作者Romanchuk O. P., Guzii O. V.。
Pub Date : 2020-12-20 DOI: 10.26697/ijsa.2020.2.7
O. S. Polianska
The paper of Romanchuk and Guzii on “Sensorimotor criteria for the formation of the autonomic overstrain of the athletes’ cardiovascular system” has been published in the International Journal of Science Annals, Vol. 3, No. 1, 2020. The problem of diagnosticating states of fatigue, cardiovascular overstrain and overtraining is important in the practice of current athletes examinations. This allows you to detect early signs of pathological states, which do not only limit the ability of sport perfection but also can lead to the development of critical states. The authors introduce into the training process of highly qualified athletes methods of spiroarteriocardiorhythmography (SACR) and computerized motion meter (CCM), which are express multifunctional methods of studying the cardiorespiratory and sensorimotor systems and can be used in the “field”. Algorithm for determining the autonomic regulation overstrain of the cardiovascular system, based on the well-known method that was suggested by Shlyk, is especially noteworthy. Based on determining the type of the heart rate autonomic regulation before, after and the next morning after training, the authors identified options that clearly characterize the autonomic regulation overstrain by sympathetic and parasympathetic type. It is shown that such options occur in about 10% of cases among highly qualified athletes. Namely, they are found in 19 out of 202 studied people. Of course, it would be appropriate to conduct other instrumental, hematological and biochemical studies that would characterize the proper humoral status of athletes.
Romanchuk和Guzii的论文“运动员心血管系统自主神经过度紧张形成的感觉运动标准”已发表在《国际科学年鉴》第3卷第1期2020年。疲劳、心血管过度紧张和过度训练状态的诊断问题是当前运动员体检实践中的重要问题。这可以让你发现病理状态的早期迹象,这不仅限制了运动完美的能力,而且还可以导致关键状态的发展。本文介绍了在高水平运动员训练过程中应用的肺动脉心节律仪(SACR)和计算机运动仪(CCM)方法,这两种方法是研究心肺和感觉运动系统的一种表达性的多功能方法,可用于“赛场”。特别值得注意的是,在Shlyk提出的著名方法的基础上,确定心血管系统自主调节过度紧张的算法。在确定训练前、训练后和第二天早上的心率自主调节类型的基础上,作者确定了通过交感神经和副交感神经类型来明确描述自主调节过度紧张的选项。研究表明,在高水平运动员中,这种情况约占10%。也就是说,在202名研究对象中,有19人发现了它们。当然,进行其他仪器、血液学和生物化学研究,以确定运动员的适当体液状况是适当的。
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引用次数: 1
An Invisible Virus Has Made Visible Many Underestimated Problems in Medical Education and Research 一种看不见的病毒暴露了医学教育和研究中许多被低估的问题
Pub Date : 2020-12-20 DOI: 10.26697/ijsa.2020.2.5
L. Georgieva, Boryana Borisova
In days of Global and national stress-tragedies, when what we considered to be a stable value is shaken, our eyes turn to a critical rethinking of the past. Today’s reality needs more than ever not only urgent practical procedures, restrictions, etc., but a very deep and unified concept and strategy based on sound philosophy and analyses. Evidence-based practical action is the philosophy of our behavior today. But do we have enough evidence and what are they? This is the question that still has no definite answers. Medicine is rightly proud of many of its achievements. But today, her pride is overshadowed by her inability to defeat a microscopic invisible enemy of human health. We must be honest: it turned out that medicine is strong in new modern technologies, but it is powerless to manage an invisible enemy, massively threatening the health of the Planet. It turned out that medicine is poorly prepared for surprises – not only to meet them, but also to anticipate them. Medicine is an art of probability and it must permanently prove the most probable predictions and the most effective actions. Now, by accident, the means used are mainly from the middle of the twentieth Century, from this classic epidemiology that we had forgotten. But now we are not the twentieth Century, and the media constantly suggests to us as fateful paths “social distance” and “social isolation”.
在全球和国家面临压力悲剧的日子里,当我们认为是稳定的价值受到动摇时,我们的目光转向对过去的批判性反思。今天的现实比以往任何时候都更需要迫切的实践程序、限制等,更需要一个基于健全的哲学和分析的非常深刻和统一的概念和策略。以证据为基础的实际行动是我们今天的行为哲学。但我们有足够的证据吗?证据是什么?这是一个仍然没有明确答案的问题。医学有理由为自己取得的许多成就感到自豪。但今天,她的骄傲被她无力击败人类健康的微观无形敌人所掩盖。我们必须诚实:事实证明,在新的现代技术中,医学是强大的,但它无力对付一个无形的敌人,严重威胁着地球的健康。事实证明,医学对意外的准备不足——不仅是面对意外,而且是预测意外。医学是一门概率的艺术,它必须永远证明最可能的预测和最有效的行动。偶然的是,我们使用的方法主要来自20世纪中期,来自我们已经遗忘的经典流行病学。但现在我们已经不是20世纪了,媒体不断向我们暗示“社会距离”和“社会孤立”是命运之路。
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引用次数: 1
COVID-19 Worries and Opportunities 新冠肺炎的担忧与机遇
Pub Date : 2020-12-20 DOI: 10.26697/ijsa.2020.2.6
Zizi Elsayed Ibrahim Sabra
With the middle of March 2020 the news of breakout of the pandemic had been assured around the world, spreading the uncertainty and worry in a very ambiguous atmosphere all over the world (World Health Organization, 2020b). World health organization with the group of 20 (G-20) and United Nations (UN) at 26 of March 2020 committed collaboration in facing the pandemic (Khashaba, 2020). All countries including Egypt worked according to the recommendation of the World health organization plan in facing this pandemic, taking into account the safety rules in all sectors of the society (World Health Organization, 2020a) up to date efforts to help control and manage the COVID-19 and NCOVID-19. As a part of Information and Decision Support Center – Egyptian Cabinet keenness on spreading public opinion awareness, the center is publishing a newsletter about the implications of the new Corona-Virus, with the purpose of presenting the latest updates on the international level, and the most important measures and initiatives that can be of benefit in health sector, education sector, professions and social sectors too (Information and Decision Support Center System, 2020) side to side with the Regional and international efforts (Madoui & Bendjeroua, 2020’ Namsolleck & Moll, 2020). Although of having hard time and big challenges to protect ourselves and loved ones, it is always possible to keep a positive mindset and stay resilient. When we look back to the last eight months we will find out how every one of us had the opportunity to test his will power to continue our achievements in education, profession, social, health fields.
随着2020年3月中旬,疫情爆发的消息在世界各地得到了保证,在非常模糊的气氛中,不确定性和担忧在世界各地蔓延(世界卫生组织,2020b)。世界卫生组织与20国集团(g20)和联合国于2020年3月26日承诺合作应对大流行(2020年,哈沙巴)。包括埃及在内的所有国家都根据世界卫生组织计划的建议开展工作,并考虑到社会各界的安全规则(世界卫生组织,2020a),以帮助控制和管理COVID-19和NCOVID-19的最新努力。作为信息和决策支持中心的一部分——埃及内阁热衷于传播公众舆论意识,该中心正在出版一份关于新型冠状病毒影响的通讯,目的是介绍国际层面的最新情况,以及可能有利于卫生部门、教育部门、专业和社会部门的最重要措施和举措(信息和决策支持中心系统,2020)与区域和国际努力(Madoui & Bendjeroua, 2020; Namsolleck & Moll, 2020)并立。尽管有艰难的时刻和巨大的挑战来保护自己和亲人,但保持积极的心态和保持弹性是可能的。当我们回顾过去的八个月,我们会发现我们每个人都有机会检验自己的意志力,继续在教育、职业、社会和健康领域取得成就。
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引用次数: 0
The Impact of Social Distancing Measures on Higher Education Stakeholders 社交距离措施对高等教育利益相关者的影响
Pub Date : 2020-12-20 DOI: 10.26697/ijsa.2020.2.2
I. Pypenko, Y. Maslov, Y. Melnyk
Background and Aim of Study: The global CoVID-19 pandemic has affected education systems dramatically. Remote teaching/learning practices have become everyday reality across the globe. The aim of the study: to assess the level of readiness of higher education stakeholders for distance learning/remote teaching, and to evaluate the role of social distancing measures. Material and Methods: 594 stakeholders (216 teachers and 378 students) provided anonymous responses to a questionnaire. Teacher did so during the round table discussion during the 6th International Academic Conference “Psychological and Pedagogical Problems of Modern Specialist Formation” (June 2020). Students responded using Viber, WhatsApp, and Telegram. Validation by Pearson method χ2 produced statistically significant results (df=4, χ22=22.083, р<0.01; df=4, χ23=44.389, р<0.01; df=4, χ24=29.666, р<0.01). Results: 62.9% of teachers and 56.6% of students consider educational institutions ready for distance learning. The majority of teachers/students seem to be prepared for it (81.0% and 93.4% respectively). 68.5% of teachers are positive about educational outcomes (contrasted with 90.0% of students). Only 37.0% of teachers and 21.7% of students assess the impact of social distancing measures on physical and mental health positively. Conclusions: The survey results prove that social distancing measures impact on higher education is significant. The respondents assess highly their individual levels of preparedness and of satisfaction, students displaying higher levels of both. However, the view on social distancing measures impact on physical and mental health is more negative, the trend being more visible in student responses.
研究背景和目的:全球新冠肺炎大流行对教育系统产生了巨大影响。远程教学实践已成为全球范围内的日常现实。该研究的目的是:评估高等教育利益相关者对远程学习/远程教学的准备程度,并评估社交距离措施的作用。材料和方法:594名利益相关者(216名教师和378名学生)对问卷进行了匿名回复。在第六届国际学术会议“现代专家形成的心理和教育问题”(2020年6月)的圆桌讨论中,老师这样做了。学生们使用Viber、WhatsApp和Telegram进行回应。Pearson方法χ2的验证产生了具有统计学意义的结果(df=4,χ22=22.083,р<0.01;df=4、χ23=44.389,р<0.001;df=4,χ24=29.666,р<0.0)。结果:62.9%的教师和56.6%的学生认为教育机构已做好远程学习的准备。大多数教师/学生似乎对此做好了准备(分别为81.0%和93.4%)。68.5%的教师对教育成果持积极态度(而学生的这一比例为90.0%)。只有37.0%的教师和21.7%的学生积极评价保持社交距离措施对身心健康的影响。结论:调查结果表明,保持社交距离措施对高等教育的影响是显著的。受访者对他们个人的准备程度和满意度评价很高,学生在这两方面都表现得更高。然而,关于社交距离措施对身心健康影响的观点更为负面,这一趋势在学生的反应中更为明显。
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引用次数: 3
Sensorimotor Criteria for the Formation of the Autonomic Overstrain of the Athletes’ Cardiovascular System 运动员心血管系统自主超负荷形成的感觉运动标准
Pub Date : 2020-06-30 DOI: 10.26697/ijsa.2020.1.6
O. P. Romanchuk, O. Guzii
Background and Aim of Study: Determination of sensorimotor function is an important area of psychophysiological features study of the athletes’ body, which are essential for the analysis of cognitive processes, assessment of the central nervous system functional state, sensory sensitivity, development of motor skills, psychophysiological and neurophysiological parameters of brain. The aim of the study: to define the changes of indexes of the central regulation of sensorimotor function of highly skilled sportsmen at forming of the cardiovascular system overstrain. Material and Methods: On results research of the cardiovascular system with the use of spiroarteriocardiorhythmography before, after load and a next morning in 19 sportsmen of men, which the overstrains of the cardiovascular system was forming, were determine: at 10 – on a sympathetic type, at 9 – on a parasympathetic type. In parallel was determination of index of switching of central settings (SCS) which received from data of research of the sensorimotor system with the use of device the “Computer motion meter”. Results: Right after intensive physical activity the meaningful acceleration of SCSl (p<0.05) and meaningful deceleration of SCSr (p<0.05) is marked at an overstrain on a sympathetic type, and also meaningful deceleration of SCSl (p<0.05) and meaningful acceleration of SCSr (p<0.01) at an overstrain on a parasympathetic type. In the period of recovery deceleration of SCSl and SCSr (p<0.05) at a sympathetic overstrain, and also stability of index of SCSl by comparison to afterload and meaningful dynamics of SCSr (p<0.05) is marked at a parasympathetic overstrain. Conclusions: At a sympathetic and parasympathetic overstrain the characteristic asymmetric changes of indexes of SCS that can testify to the primary flow of ergotrophic and trophotrophic processes in the organism of sportsmen are marked.
研究背景与目的:感觉运动功能测定是运动员身体心理生理特征研究的一个重要领域,对分析认知过程、评价中枢神经系统功能状态、感觉敏感性、运动技能发展、大脑心理生理和神经生理参数等具有重要意义。研究目的:探讨高技能运动员在心血管系统过度劳损形成过程中感觉运动功能中枢调节指标的变化。材料与方法:对19名男子运动员在负荷前、负荷后及次日早晨心血管系统的结果进行了研究,确定了心血管系统过度紧张形成的情况:10时为交感型,9时为副交感型。同时,利用“计算机运动计”装置,从感觉运动系统的研究数据中获取中枢设置切换指标(SCS)。结果:在剧烈运动后,交感神经过度紧张时,SCSl显著加速(p<0.05)和显著减速(p<0.05),副交感神经过度紧张时,SCSr显著减速(p<0.05)和显著加速(p<0.01)。在恢复期间,交感神经过度紧张状态下的SCSl和SCSr出现了减速(p<0.05),副交感神经过度紧张状态下的SCSl指数相对后负荷和SCSr有意义的动态变化具有稳定性(p<0.05)。结论:在交感神经和副交感神经过度紧张时,运动员体内SCS指标的特征性不对称变化可以证明机体内的自养和滋养过程的初级流动。
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引用次数: 5
Motivational Aspects and Modern Innovative Technologies in the Formation of Professional Competencies of Future Specialists in Higher Medical Educational Institutions 高等医学教育机构未来专家专业能力形成的动机方面和现代创新技术
Pub Date : 2020-06-30 DOI: 10.26697/ijsa.2020.1.2
O. Korniychuk, R. Shykula, O. Melnyk, Y. Konechnyi
Background and Aim of Study: During the research the improvement ideas of the educational system were analysed. Accented attention on an advantages of the distance education, and also his roles and place in the system of higher education. As the demand to the quality of the students' knowledge has become the main criterion in employment. According to the new educational standards at the grant of educational services it is necessary to be oriented on the professional qualities of the future activity of the graduate. The aim of the study: to represent the results of theoretical analysis and empirical study of the formation of oriented educational-scientific information-computer environment on the basis of the Department of Microbiology of Danylo Halytsky Lviv National Medical University. Material and Methods: Modern methods of scientific research used in process: an analysis of the systems, biblio-semantic, statistical, empirical observations and information processing of oriented educational information and computer environment in the process of students’ educational and scientific activity. Results: According to the analysis of the obtained results, the key features of the motivational complex of students of higher educational institution was identified. The ways of organization of control and an analysis of students’ success by means of information and computer technologies according to the state standards of higher education. It is offered, new approaches to forming of content of educational discipline. Conclusions: The innovative tools and interactive applications on the basis of ICT will increase the possibilities of studying the discipline of microbiology, virology and immunology in higher medical institutions. What is appropriate in the context of integration of the new strategy of education.
研究背景和目的:在研究过程中,分析了教育体制改革的思路。重点论述了远程教育的优势,以及远程教育在高等教育体系中的作用和地位。由于对学生知识质量的要求已成为就业的主要标准。根据新的教育标准,在提供教育服务时,必须以毕业生未来活动的专业素质为导向。本研究的目的:以利沃夫国立医科大学微生物系为研究对象,对面向教育-科学信息-计算机环境的形成进行理论分析和实证研究。材料与方法:过程中使用的现代科学研究方法:对学生教育和科学活动过程中面向教育信息和计算机环境的系统、文献语义、统计、实证观察和信息处理的分析。结果:通过对所得结果的分析,确定了高校学生动机情结的主要特征。根据国家高等教育标准,运用信息和计算机技术对学生成功进行组织控制和分析。为教育学科内容的形成提供了新的途径。结论:基于信息通信技术的创新工具和交互应用将增加高等医疗机构微生物学、病毒学和免疫学学科研究的可能性。什么是合适的背景下整合新的教育战略。
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引用次数: 2
期刊
International Journal of Science Annals
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