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Article ; Online: Pandemic and teacher retention

Hoang, Anh-Duc

International Journal of Sociology and Social Policy

empirical evidence from expat teachers in Southeast Asia during COVID-19

2020 Volume ahead-of-print, Issue ahead-of-print

Abstract: Purpose This research aims to explore the influence of expat teachers' attitude about local policies, and their subjective norms of social engagement during COVID-19 over their intention to leave the current country, due to COVID-19. Design/methodology/ ... ...

Abstract	Purpose This research aims to explore the influence of expat teachers' attitude about local policies, and their subjective norms of social engagement during COVID-19 over their intention to leave the current country, due to COVID-19. Design/methodology/approach This study uses analysis of variance (ANOVA) and structural equation model (SEM) to examine the perception of crisis and the intention to leave among 307 expat teachers in Southeast Asia during COVID-19 and highlights the importance of policy responses and social engagement toward the minimum teacher turnover rate. Findings The study reveals that, the higher perceived policy responses and community engagement the teachers acknowledge, the lower chance they will move to another country. Also, this paper presents the differences in expat teachers' perceptions and intentions among demographic factors such as teaching qualification, their current country of teaching, experience at the current country, income before, during and expected income after COVID-19. Originality/value The paper justifies a conceptual framework which provides a hypothetical explanation about the influence of perceived policy responses and community engagement over expat teachers' intention to leave.
Keywords	General Economics, Econometrics and Finance ; Sociology and Political Science ; covid19
Language	English
Publisher	Emerald
Publishing country	uk
Document type	Article ; Online
ZDB-ID	2034483-1
ISSN	1758-6720 ; 0144-333X
ISSN (online)	1758-6720
ISSN	0144-333X
DOI	10.1108/ijssp-07-2020-0269
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article: Combination of a Green and a Traditional Method for Estimating Relative and Absolute Ink Age: A Case Study of Ballpoint Pen Ink Dating in Vietnam.

Hoang, Anh Duc / Tu, Minh Binh / Ta, Thi Thao / Hoang, Manh Hung

Journal of analytical methods in chemistry

2021 Volume 2021, Page(s) 8870541

Abstract: The dating of ink in questioned documents remains a significant challenge in forensic investigations in Vietnam and other countries. Many forensic examination methods have been usually applied to ensure the highest accuracy of the assessment results ... ...

Abstract	The dating of ink in questioned documents remains a significant challenge in forensic investigations in Vietnam and other countries. Many forensic examination methods have been usually applied to ensure the highest accuracy of the assessment results while maintaining high environment awareness. In this study, paper characteristics were physically tested to confirm source similarity, and the relative ink dating was established by high-performance thin-layer chromatography (HPTLC). Absolute ink dating by solvent and dye identification was performed by Raman spectrometry-a green technique, using a time-dependent degradation model for crystal violet and the comparison between 2-phenoxyethanol peak intensities. We found that the relative dating of the questioned document was 14 ± 3 months lesser than that of the reference samples, i.e., the absolute age of the questioned samples was estimated to be 24 ± 3 months. The combination of the conventional HPTLC method with the dynamic crystal violet degradation Raman model provides promising results for relative and absolute ink dating of ballpoint pens, which can be applied for documents written 1-15 years prior to the time of examination. The combination of the abovementioned methods demonstrated an acceptable error margin, affording highly practical applications in modern forensic science.
Language	English
Publishing date	2021-05-15
Publishing country	Egypt
Document type	Journal Article
ZDB-ID	2654178-6
ISSN	2090-8873 ; 2090-8865
ISSN (online)	2090-8873
ISSN	2090-8865
DOI	10.1155/2021/8870541
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: A portable band-shaped bioimpedance system to monitor the body fat and fasting glucose level

Duong Trong Luong / Nguyen Quang Linh / Hoang Anh Duc / Dang Tuan Diep / Nguyen Chi Hieu / Nguyen Minh Duc

Journal of Electrical Bioimpedance, Vol 13, Iss 1, Pp 54-

2022 Volume 65

Abstract: With better quality of life, obesity is becoming a worldwide disease due to over-eating and sedentary lifestyle. Therefore, daily monitoring of the glucose and body fat percentage (%) is vital to keep track of one’s health. Currently, separated devices ... ...

Abstract	With better quality of life, obesity is becoming a worldwide disease due to over-eating and sedentary lifestyle. Therefore, daily monitoring of the glucose and body fat percentage (%) is vital to keep track of one’s health. Currently, separated devices are required to monitor each parameter at home and some are still invasive to measure the glucose level. In this study, a portable band-shaped bioimpedance system is proposed to measure both parameters. The system is battery run with two main modules: the current source and the voltage recording, with minimal design to fit into a band of 150 mm x 40 mm in dimension. The impedance is measured at the frequency of 1 kHz at 30 kHz sampling frequency and in 1000 signal cycles to flatten noises. The final average impedance is calculated and evaluated in correlation with the body fat and the fasting glucose. The system was tested on 21 volunteers and 4 locations were picked for the impedance measurement: the arm under the triceps, the side of the belly, the back on one side and the thigh under the bicep femoris. The results show promising results with the arm being the best location for predicting the body fat (correlation coefficient: 0.89, 95% CI: 0.73-0.95), while the thigh impedance best correlated with the fasting glucose (correlation coefficient: 0.92, 95% CI: 0.81-0.97). These preliminary results indicate the feasibility and capacity of the proposed system as a home-based, portable and convenient system in monitoring the body fat and glucose. The system’s performance will be verified and replicated in a future larger study.
Keywords	bioimpedance ; home-based device ; obesity ; Medicine (General) ; R5-920
Subject code	600
Language	English
Publishing date	2022-11-01T00:00:00Z
Publisher	Sciendo
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Factor Associated With Teacher Satisfaction and Online Teaching Effectiveness Under Adversity Situations: A Case of Vietnamese Teachers During COVID-19.

Pham, Phuong-Tam / Thi Phan, Thanh-Thao / Nguyen, Yen-Chi / Hoang, Anh-Duc

Journal of education (Boston, Mass.)

2021 Volume 203, Issue 3, Page(s) 605–615

Abstract: How teachers perform and react to the world-wide pandemic and how the epidemic affects an education system may also be used as new conditions to consider the way to enhance SDG4 in developing countries. Regarding that concern, this study investigated 294 ...

Abstract	How teachers perform and react to the world-wide pandemic and how the epidemic affects an education system may also be used as new conditions to consider the way to enhance SDG4 in developing countries. Regarding that concern, this study investigated 294 teachers' perspective on their teaching effectiveness and satisfaction during COVID-19. The findings underlined the significant roles of support from various stakeholders, school readiness toward digital transformation, and teachers' anxiety over teacher satisfaction. Notably, teachers' newly absorbed technological and pedagogical skills do elevate their teaching effectiveness but do not lead to higher satisfaction during the pandemic.
Language	English
Publishing date	2021-11-06
Publishing country	United States
Document type	Journal Article
ZDB-ID	2066577-5
ISSN	2515-5741 ; 0022-0574
ISSN (online)	2515-5741
ISSN	0022-0574
DOI	10.1177/00220574211039483
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: A Portable Band-shaped Bioimpedance System to Monitor the Body Fat and Fasting Glucose Level.

Duong Trong, Luong / Nguyen Quang, Linh / Hoang Anh, Duc / Dang Tuan, Diep / Nguyen Chi, Hieu / Nguyen Minh, Duc

Journal of electrical bioimpedance

2022 Volume 13, Issue 1, Page(s) 54–65

Abstract	With better quality of life, obesity is becoming a worldwide disease due to over-eating and sedentary lifestyle. Therefore, daily monitoring of the glucose and body fat percentage (%) is vital to keep track of one's health. Currently, separated devices are required to monitor each parameter at home and some are still invasive to measure the glucose level. In this study, a portable band-shaped bioimpedance system is proposed to measure both parameters. The system is battery run with two main modules: the current source and the voltage recording, with minimal design to fit into a band of 150 mm x 40 mm in dimension. The impedance is measured at the frequency of 1 kHz at 30 kHz sampling frequency and in 1000 signal cycles to flatten noises. The final average impedance is calculated and evaluated in correlation with the body fat and the fasting glucose. The system was tested on 21 volunteers and 4 locations were picked for the impedance measurement: the arm under the triceps, the side of the belly, the back on one side and the thigh under the bicep femoris. The results show promising results with the arm being the best location for predicting the body fat (correlation coefficient: 0.89, 95% CI: 0.73-0.95), while the thigh impedance best correlated with the fasting glucose (correlation coefficient: 0.92, 95% CI: 0.81-0.97). These preliminary results indicate the feasibility and capacity of the proposed system as a home-based, portable and convenient system in monitoring the body fat and glucose. The system's performance will be verified and replicated in a future larger study.
Language	English
Publishing date	2022-11-04
Publishing country	Poland
Document type	Journal Article
ZDB-ID	2580506-X
ISSN	1891-5469 ; 1891-5469
ISSN (online)	1891-5469
ISSN	1891-5469
DOI	10.2478/joeb-2022-0009
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article: Dataset of Vietnamese teachers’ habits and motivation behind continuous professional development programs participation

Phan, Thanh-Thao Thi / Ta, Ngoc-Thuy / Duong, Viet-Anh Phu / Hoang, Anh-Duc

Data in Brief. 2020 Dec., v. 33

2020

Abstract: In every educational system, teacher development has a vital role in its sector and the health of the social, cultural, and economic sectors. For this redeeming feature, all stakeholders such as education policymakers, school superintendents, and school ... ...

Abstract	In every educational system, teacher development has a vital role in its sector and the health of the social, cultural, and economic sectors. For this redeeming feature, all stakeholders such as education policymakers, school superintendents, and school faculties make a big room for teachers' improvement throughout continuous professional development (CPD) provisions. However, to embark on a new educational adventure is a challenging target to meet, especially when the teacher frames their teaching and learning concept years after years. We decided to survey Vietnamese teachers' habits and motivation to trace their origin back to teachers' partaking reason in these programs. This dataset acquisition occurred from 24 Sep 2019 to 26 Mar 2020 and approached public and private schools (using traditional, bi-lingual, or international curriculum). Overall, the dataset includes 464 observations (263 Vietnamese teachers and 202 expatriate teachers) from 48 K-12 schools across Vietnam. The researchers divided this dataset into three main sections, including (i) The demographic information; (ii) Teacher's CPD habits; and (iii) Teacher's perceptions concerning Project-based and Problem-based Learning (PBL).
Keywords	curriculum ; data collection ; motivation ; professional development ; stakeholders ; teachers ; Vietnam
Language	English
Dates of publication	2020-12
Publishing place	Elsevier Inc.
Document type	Article
ZDB-ID	2786545-9
ISSN	2352-3409
ISSN	2352-3409
DOI	10.1016/j.dib.2020.106525
Database	NAL-Catalogue (AGRICOLA)

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Article ; Online: Dataset of Vietnamese teachers' habits and motivation behind continuous professional development programs participation.

Phan, Thanh-Thao Thi / Ta, Ngoc-Thuy / Duong, Viet-Anh Phu / Hoang, Anh-Duc

Data in brief

2020 Volume 33, Page(s) 106525

Abstract	In every educational system, teacher development has a vital role in its sector and the health of the social, cultural, and economic sectors. For this redeeming feature, all stakeholders such as education policymakers, school superintendents, and school faculties make a big room for teachers' improvement throughout continuous professional development (CPD) provisions. However, to embark on a new educational adventure is a challenging target to meet, especially when the teacher frames their teaching and learning concept years after years. We decided to survey Vietnamese teachers' habits and motivation to trace their origin back to teachers' partaking reason in these programs. This dataset acquisition occurred from 24 Sep 2019 to 26 Mar 2020 and approached public and private schools (using traditional, bi-lingual, or international curriculum). Overall, the dataset includes 464 observations (263 Vietnamese teachers and 202 expatriate teachers) from 48 K-12 schools across Vietnam. The researchers divided this dataset into three main sections, including (i) The demographic information; (ii) Teacher's CPD habits; and (iii) Teacher's perceptions concerning Project-based and Problem-based Learning (PBL).
Language	English
Publishing date	2020-11-14
Publishing country	Netherlands
Document type	Journal Article
ZDB-ID	2786545-9
ISSN	2352-3409 ; 2352-3409
ISSN (online)	2352-3409
ISSN	2352-3409
DOI	10.1016/j.dib.2020.106525
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: A Bibliometric Review of Research on International Students' Mental Health: Science Mapping of the Literature from 1957 to 2020.

Cao, Quoc-Thai / Vuong, Quan-Hoang / Pham, Hiep-Hung / Luong, Dinh-Hai / Ho, Manh-Toan / Hoang, Anh-Duc / Do, Minh-Trang

European journal of investigation in health, psychology and education

2021 Volume 11, Issue 3, Page(s) 781–794

Abstract: The mental health of university students is not only a predominant topic for psychology and education researchers but also a source of interest for policymakers and various stakeholders. Although there has been a lot of research on higher education ... ...

Abstract	The mental health of university students is not only a predominant topic for psychology and education researchers but also a source of interest for policymakers and various stakeholders. Although there has been a lot of research on higher education students' mental health, we have little understanding on the mental health of international students (MHIS). Despite their distinctive characteristics compared to native students, the mental health issues of international students only started receiving attention very recently. So far, the literature on this topic lacks a comprehensive overview of its sub-topic and trending issues. By using bibliometric analysis, this research aims to fulfil this gap and provide a review of the extant literature about MHIS. Specifically, this study aims to (i) draw the growth trajectory and geographic distribution of the literature on MHIS; (ii) identify the documents and authors that have the greatest impact, generally and locally, within the major topic clusters of the literature on MHIS; and (iii) identify the most researched keywords in the literature on MHIS over time. The results have shown that academic documents about international students' mental health are increasing in number and becoming more extensive content-wise. The research's findings provide implications for stakeholders and identifies some prominent research avenues for the future.
Language	English
Publishing date	2021-07-21
Publishing country	Switzerland
Document type	Journal Article
ZDB-ID	3041279-1
ISSN	2254-9625 ; 2174-8144
ISSN (online)	2254-9625
ISSN	2174-8144
DOI	10.3390/ejihpe11030056
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article: Dataset of Vietnamese student's learning habits during COVID-19

Trung, Tran / Hoang, Anh-Duc / Nguyen, Trung Tien / Dinh, Viet-Hung / Nguyen, Yen-Chi / Pham, Hiep-Hung

Data in Brief. 2020 June, v. 30

2020

Abstract: A dataset was constructed to examine Vietnamese student's learning habits during the time schools were suspended due to the novel coronavirus - SARS-CoV-2 (COVID-19), in response to a call for interdisciplinary research on the potential effects of the ... ...

Abstract	A dataset was constructed to examine Vietnamese student's learning habits during the time schools were suspended due to the novel coronavirus - SARS-CoV-2 (COVID-19), in response to a call for interdisciplinary research on the potential effects of the coronavirus pandemic (Elsevier, 2020). The questionnaires were spread over a network of educational communities on Facebook from February 7 to February 28, 2020. Using the snowball sampling method, researchers delivered the survey to teachers and parents to provide formal consent before they forwarded it to their students and children. In order to measure the influence of students’ socioeconomic status and occupational aspirations on their learning habits during school closures, the survey included three major groups of questions: (1) Individual demographics, including family socioeconomic status, school type, and occupational aspirations; (2) Student's learning habits, including hours of learning before and during the period of school suspension, with and without other people's support; and (3) Students’ perceptions of their self-learning during the school closures. There was a total of 920 clicks on the survey link, but only 460 responses accompanied by consent forms were received. Non-credible answers (e.g., year of birth after 2009, more than 20 hours of learning per day) were eliminated. The final dataset included 420 valid observations.
Keywords	COVID-19 infection ; Severe acute respiratory syndrome coronavirus 2 ; data collection ; demographic statistics ; interdisciplinary research ; pandemic ; socioeconomic status ; surveys
Language	English
Dates of publication	2020-06
Publishing place	Elsevier Inc.
Document type	Article
ZDB-ID	2786545-9
ISSN	2352-3409
ISSN	2352-3409
DOI	10.1016/j.dib.2020.105682
Database	NAL-Catalogue (AGRICOLA)

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Article ; Online: Dataset of Vietnamese student's learning habits during COVID-19.

Trung, Tran / Hoang, Anh-Duc / Nguyen, Trung Tien / Dinh, Viet-Hung / Nguyen, Yen-Chi / Pham, Hiep-Hung

Data in brief

2020 Volume 30, Page(s) 105682

Abstract	A dataset was constructed to examine Vietnamese student's learning habits during the time schools were suspended due to the novel coronavirus - SARS-CoV-2 (COVID-19), in response to a call for interdisciplinary research on the potential effects of the coronavirus pandemic (Elsevier, 2020). The questionnaires were spread over a network of educational communities on Facebook from February 7 to February 28, 2020. Using the snowball sampling method, researchers delivered the survey to teachers and parents to provide formal consent before they forwarded it to their students and children. In order to measure the influence of students' socioeconomic status and occupational aspirations on their learning habits during school closures, the survey included three major groups of questions: (1) Individual demographics, including family socioeconomic status, school type, and occupational aspirations; (2) Student's learning habits, including hours of learning before and during the period of school suspension, with and without other people's support; and (3) Students' perceptions of their self-learning during the school closures. There was a total of 920 clicks on the survey link, but only 460 responses accompanied by consent forms were received. Non-credible answers (e.g., year of birth after 2009, more than 20 hours of learning per day) were eliminated. The final dataset included 420 valid observations.
Keywords	covid19
Language	English
Publishing date	2020-05-08
Publishing country	Netherlands
Document type	Journal Article
ZDB-ID	2786545-9
ISSN	2352-3409 ; 2352-3409
ISSN (online)	2352-3409
ISSN	2352-3409
DOI	10.1016/j.dib.2020.105682
Database	MEDical Literature Analysis and Retrieval System OnLINE

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