David Dwayne Perrodin
Current Organizations / Institutes
The organizations/institutes from the scholar's latest article
Previous Organizations / Institutes
The organizations / institutes from the scholar's other articles in the past ten years
David Dwayne Perrodin has a total of 47 co-authors. Here are the top co-authors by number of shared publications:
- Martin Kustati
Universitas Islam Negeri Imam Bonjol Padang
4 shared publications - Chirra Taworntawat
G&B Enzymes Company Limited, Bang Bon Subdistrict, Bang Bon District, Bangkok 10150, Thailand
2 shared publications - Mahyudin Ritonga
Universitas Muhammadiyah Sumatera Barat
2 shared publications - Nopporn Chantaranamchoo
Silpakorn University
2 shared publications - Ananya Keaokrajang
Office of Teacher and Educational Personnel Development, Ministry of Education, Thailand
1 shared publication - Apinya Pateepairor
Development Education Programme, Faculty of Education, Silpakorn University
1 shared publication
Latest Publications
- Open Access
- 30 July 2026
- Published by University of San Jose-Recoletos in Recoletos Multidisciplinary Research Journal
- Vol. 14  (2) , 13-24
Reframing SDG 4 Implementation Gaps in Thailand: An Institutional Risk-Cognition Framework for Sustainable Education Reform
Background: Thailand’s secondary education system continues to exhibit a persistent gap between reform aspirations and the quality and equity commitments of Sustainable Development Goal 4 (SDG 4: Quality Education). Although previous research has emphasized structural and implementation constraints, less attention has been given to how sustainability-oriented reform challenges are institutionally framed, interpreted, and translated into action. Methods: This conceptual study developed the Sustainable Education Cognition and Response Model (SECRM), a three-stage analytical framework comprising perception, processing, and decision/action. The framework drew on risk cognition and decision-making theory and was developed through a purposive synthesis of scholarly literature and Thai and international education policy documents. It was presented as a diagnostic framework and was not empirically tested. Results: The conceptual synthesis identified recurring institutional patterns in problem framing, reform interpretation, and implementation coupling. These informed a framework that specifies observable indicators across the three SECRM stages and generates propositions for future empirical investigation. Conclusion: The SECRM provides a theoretically grounded framework for examining how sustainability-oriented reform challenges are represented, interpreted, and operationalized within policy systems. The framework offers observable institutional indicators and analytically testable propositions to support future research on SDG 4 implementation and sustainable education reform in Thailand.
- 30 July 2026
- Published by University of San Jose-Recoletos in Recoletos Multidisciplinary Research Journal
- Vol. 14  (2) , 13-24
Open AccessReframing SDG 4 Implementation Gaps in Thailand: An Institutional Risk-Cognition Framework for Sustainable Education Reform
Background: Thailand’s secondary education system continues to exhibit a persistent gap between reform aspirations and the quality and equity commitments of Sustainable Development Goal 4 (SDG 4: Quality Education). Although previous research has emphasized structural and implementation constraints, less attention has been given to how sustainability-oriented reform challenges are institutionally framed, interpreted, and translated into action. Methods: This conceptual study developed the Sustainable Education Cognition and Response Model (SECRM), a three-stage analytical framework comprising perception, processing, and decision/action. The framework drew on risk cognition and decision-making theory and was developed through a purposive synthesis of scholarly literature and Thai and international education policy documents. It was presented as a diagnostic framework and was not empirically tested. Results: The conceptual synthesis identified recurring institutional patterns in problem framing, reform interpretation, and implementation coupling. These informed a framework that specifies observable indicators across the three SECRM stages and generates propositions for future empirical investigation. Conclusion: The SECRM provides a theoretically grounded framework for examining how sustainability-oriented reform challenges are represented, interpreted, and operationalized within policy systems. The framework offers observable institutional indicators and analytically testable propositions to support future research on SDG 4 implementation and sustainable education reform in Thailand.
- Open Access
- 27 January 2026
- Published by MDPI AG in International Journal of Molecular Sciences
- Vol. 27  (3) , 1246
UHPLC-QTOF-MS Profiling of Chemical Constituents in POW9TM Cocktail with Antioxidant and Anti-Proliferative Potentials Against Vero, MCF-7 and MDA-MB-231 Cells
Breast cancer remains one of the most prevalent and lethal malignancies affecting women worldwide, underscoring the need for safer and more effective therapeutic strategies. This study investigated the phytochemical composition, antioxidant activity, and antiproliferative potential of POW9™, a proprietary botanical blend formulated from nine medicinal plant extracts. Comprehensive phytochemical profiling was performed using ultrahigh-performance liquid chromatography coupled with electrospray ionization quadrupole time-of-flight mass spectrometry (UHPLC-ESI-QTOF-MS) in both positive and negative ionization modes. A total of 34 compounds were identified in negative mode and 27 compounds in positive mode, comprising flavonoids, terpenoids, steroids, organic acids, peptides, glycosides, and lipids. POW9™ exhibited high total phenolic content (190.3 ± 3.5 mg gallic acid equivalents/g) and total flavonoid content (115.2 ± 1.5 mg quercetin equivalents/g), along with strong antioxidant activity, demonstrated by a 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical scavenging with a half-maximal inhibitory concentration (IC50) of 1.66 mg/mL (33.73 mg Trolox equivalents/g). Cytotoxicity assessment revealed minimal toxicity toward normal Vero cells. In contrast, POW9™ significantly inhibited the proliferation of human breast cancer cell lines in a concentration- and time-dependent manner. The IC50 values were 6.75 mg/mL for MCF-7 cells and 18.08 mg/mL for MDA-MB-231 cells after 72 h of treatment, while prolonged exposure (96 h) further enhanced antiproliferative efficacy, reducing the IC50 to 2.34 mg/mL. These findings demonstrate that POW9™ is a chemically diverse herbal formulation with potent antioxidant and selective anti-breast cancer activities, supporting its potential development as a complementary therapeutic or nutraceutical agent for breast cancer management.
- 27 January 2026
- Published by MDPI AG in International Journal of Molecular Sciences
- Vol. 27  (3) , 1246
Open AccessUHPLC-QTOF-MS Profiling of Chemical Constituents in POW9TM Cocktail with Antioxidant and Anti-Proliferative Potentials Against Vero, MCF-7 and MDA-MB-231 Cells
Breast cancer remains one of the most prevalent and lethal malignancies affecting women worldwide, underscoring the need for safer and more effective therapeutic strategies. This study investigated the phytochemical composition, antioxidant activity, and antiproliferative potential of POW9™, a proprietary botanical blend formulated from nine medicinal plant extracts. Comprehensive phytochemical profiling was performed using ultrahigh-performance liquid chromatography coupled with electrospray ionization quadrupole time-of-flight mass spectrometry (UHPLC-ESI-QTOF-MS) in both positive and negative ionization modes. A total of 34 compounds were identified in negative mode and 27 compounds in positive mode, comprising flavonoids, terpenoids, steroids, organic acids, peptides, glycosides, and lipids. POW9™ exhibited high total phenolic content (190.3 ± 3.5 mg gallic acid equivalents/g) and total flavonoid content (115.2 ± 1.5 mg quercetin equivalents/g), along with strong antioxidant activity, demonstrated by a 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical scavenging with a half-maximal inhibitory concentration (IC50) of 1.66 mg/mL (33.73 mg Trolox equivalents/g). Cytotoxicity assessment revealed minimal toxicity toward normal Vero cells. In contrast, POW9™ significantly inhibited the proliferation of human breast cancer cell lines in a concentration- and time-dependent manner. The IC50 values were 6.75 mg/mL for MCF-7 cells and 18.08 mg/mL for MDA-MB-231 cells after 72 h of treatment, while prolonged exposure (96 h) further enhanced antiproliferative efficacy, reducing the IC50 to 2.34 mg/mL. These findings demonstrate that POW9™ is a chemically diverse herbal formulation with potent antioxidant and selective anti-breast cancer activities, supporting its potential development as a complementary therapeutic or nutraceutical agent for breast cancer management.
- 26 December 2025
- Published by SAGE Publications in Policy Futures in Education
- Vol. 24  (5) , 823-839
Global goals, local gaps: Thailand’s long road to SDG 4 in education policy reform
This study examines Thailand’s educational reform trajectory through the lens of Sustainable Development Goal 4 (SDG 4), using a policy alignment framework. Drawing on thematic analysis of Social Development Reports (2010–2024) alongside qualitative comparative analysis of key education policies, the research evaluates how reforms have addressed equity, access, and quality across primary, secondary, and vocational levels. The findings reveal that despite new initiatives, inconsistent implementation continues to constrain equitable and inclusive education, particularly in rural and marginalized areas. These challenges highlight the need for more coherent policy approaches, equitable resource allocation, and stronger stakeholder collaboration. By linking global SDG 4 commitments to local realities, the study identifies governance-sensitive levers that can advance equity. The study introduces a transparent pre-/post-SDG comparative coding design and proposes actionable delivery mechanisms—including equity-weighted funding formulas, balanced assessment reforms, and inter-agency coordination—to strengthen policy coherence and improve equity outcomes.
- 26 December 2025
- Published by SAGE Publications in Policy Futures in Education
- Vol. 24  (5) , 823-839
Global goals, local gaps: Thailand’s long road to SDG 4 in education policy reform
This study examines Thailand’s educational reform trajectory through the lens of Sustainable Development Goal 4 (SDG 4), using a policy alignment framework. Drawing on thematic analysis of Social Development Reports (2010–2024) alongside qualitative comparative analysis of key education policies, the research evaluates how reforms have addressed equity, access, and quality across primary, secondary, and vocational levels. The findings reveal that despite new initiatives, inconsistent implementation continues to constrain equitable and inclusive education, particularly in rural and marginalized areas. These challenges highlight the need for more coherent policy approaches, equitable resource allocation, and stronger stakeholder collaboration. By linking global SDG 4 commitments to local realities, the study identifies governance-sensitive levers that can advance equity. The study introduces a transparent pre-/post-SDG comparative coding design and proposes actionable delivery mechanisms—including equity-weighted funding formulas, balanced assessment reforms, and inter-agency coordination—to strengthen policy coherence and improve equity outcomes.
- Open Access
- 31 January 2025
- Published by Srinakharinwirot University in The Journal of Behavioral Science
- Vol. 20  (1) , 47-60
Health Literacy and Health Behaviors of University Staff in Thailand: A Causal Mediation Analysis
Background/problem: Health literacy and adopting healthy behaviors are essential components for university staff to sustain their well-being, improve productivity, avert illness, and cultivate a supportive, health-oriented workplace atmosphere. Objective/purpose: This study seeks to investigate the causal determinants influencing the health literacy and health behavior of staff at universities in Thailand. Design and Methodology: Cluster sampling was employed, using a quantitative research design, involving 320 university personnel in Thailand. The research tools used were questionnaires. Data analysis was carried out using descriptive statistics and component-based structural equation modeling. Results: Results of the study demonstrated that 1) health empowerment positively effects both health literacy (β = .60, p < .001) and health behavior (β = .39, p < .001); 2) social support has a positive effect on health literacy (β= .28, p < .001) and health behavior (β = .11, p = .04), and 3) health literacy positively effects on health behavior (β = .38, p < .001). The factor loadings of all observed variables were significantly different from zero at a statistical significance. Health empowerment and health literacy exhibit a statistically significant indirect effect on health behavior through health literacy (β = .23, p < .001), suggesting that health literacy serves as a partial mediator. Conclusion and Implications: This study highlights the effect of health literacy on health behavior and finds that health empowerment is a crucial factor in promoting health behavior. Recommendations from this research suggest promoting health literacy and empowering university staff to effectively use health information to make informed decisions.
- 31 January 2025
- Published by Srinakharinwirot University in The Journal of Behavioral Science
- Vol. 20  (1) , 47-60
Open AccessHealth Literacy and Health Behaviors of University Staff in Thailand: A Causal Mediation Analysis
Background/problem: Health literacy and adopting healthy behaviors are essential components for university staff to sustain their well-being, improve productivity, avert illness, and cultivate a supportive, health-oriented workplace atmosphere. Objective/purpose: This study seeks to investigate the causal determinants influencing the health literacy and health behavior of staff at universities in Thailand. Design and Methodology: Cluster sampling was employed, using a quantitative research design, involving 320 university personnel in Thailand. The research tools used were questionnaires. Data analysis was carried out using descriptive statistics and component-based structural equation modeling. Results: Results of the study demonstrated that 1) health empowerment positively effects both health literacy (β = .60, p < .001) and health behavior (β = .39, p < .001); 2) social support has a positive effect on health literacy (β= .28, p < .001) and health behavior (β = .11, p = .04), and 3) health literacy positively effects on health behavior (β = .38, p < .001). The factor loadings of all observed variables were significantly different from zero at a statistical significance. Health empowerment and health literacy exhibit a statistically significant indirect effect on health behavior through health literacy (β = .23, p < .001), suggesting that health literacy serves as a partial mediator. Conclusion and Implications: This study highlights the effect of health literacy on health behavior and finds that health empowerment is a crucial factor in promoting health behavior. Recommendations from this research suggest promoting health literacy and empowering university staff to effectively use health information to make informed decisions.
- Open Access
- 6 October 2024
- Published by Universitas Negeri Makassar in International Journal of Language Education
- Vol. 8  (3) , 533-549
Insights from a State Islamic University on Arabic Education as a Catalyst for Religious Moderation in Indonesia
This research aims to investigate the integration of religious moderation in Arabic language learning at a state Islamic university. Employing a qualitative descriptive method, data was gathered through observation, in-depth interviews, and documentation. The study emphasizes a tourism-based approach that incorporates local wisdom and pluralism into the Kalam course, aimed at enhancing students' Arabic communication skills. The findings indicate that embedding religious moderation within the Arabic curriculum promotes tolerance, inclusivity, and a moderate outlook among students, which, in turn, contributes to social and religious harmony in Indonesia. Additionally, the research highlights the importance of local cultural contexts in shaping student behavior. The study suggests further exploration of internal and external factors that influence the implementation of religious moderation in Arabic education at a state Islamic university. It also recommends adopting a mixed-method approach in future research to gain a deeper understanding of these dynamics and enhance the effectiveness of religious moderation efforts.
- 6 October 2024
- Published by Universitas Negeri Makassar in International Journal of Language Education
- Vol. 8  (3) , 533-549
Open AccessInsights from a State Islamic University on Arabic Education as a Catalyst for Religious Moderation in Indonesia
This research aims to investigate the integration of religious moderation in Arabic language learning at a state Islamic university. Employing a qualitative descriptive method, data was gathered through observation, in-depth interviews, and documentation. The study emphasizes a tourism-based approach that incorporates local wisdom and pluralism into the Kalam course, aimed at enhancing students' Arabic communication skills. The findings indicate that embedding religious moderation within the Arabic curriculum promotes tolerance, inclusivity, and a moderate outlook among students, which, in turn, contributes to social and religious harmony in Indonesia. Additionally, the research highlights the importance of local cultural contexts in shaping student behavior. The study suggests further exploration of internal and external factors that influence the implementation of religious moderation in Arabic education at a state Islamic university. It also recommends adopting a mixed-method approach in future research to gain a deeper understanding of these dynamics and enhance the effectiveness of religious moderation efforts.
- Open Access
- 31 March 2024
- Published by Penerbit Universiti Kebangsaan Malaysia (UKM Press) in Jurnal Komunikasi, Malaysian Journal of Communication
- Vol. 40  (1) , 156-172
Media Advocacy on the Struggle for Rights of Women with Disabilities: A Case Study of Drg Romi
Media Advocacy on the Struggle for Rights of Women with Disabilities: A Case Study of Drg Romi
- 31 March 2024
- Published by Penerbit Universiti Kebangsaan Malaysia (UKM Press) in Jurnal Komunikasi, Malaysian Journal of Communication
- Vol. 40  (1) , 156-172
Open AccessMedia Advocacy on the Struggle for Rights of Women with Disabilities: A Case Study of Drg Romi
Media Advocacy on the Struggle for Rights of Women with Disabilities: A Case Study of Drg Romi
- Open Access
- 28 April 2023
- Published by Universitas Ahmad Dahlan in English Language Teaching Educational Journal
- Vol. 6  (1) , 1-13
Foreign language reading anxiety: Exploring the experiences of EFL students at a state university in Padang, Indonesia
This study investigates the levels of foreign language reading anxiety among EFL students at a state university in Padang, West Sumatra, Indonesia, to identify the main factors contributing to this anxiety. The study included 30 participants who provided data through two questionnaires. The first questionnaire utilized the Foreign Language Reading Anxiety Scale (FLRAS) to assess anxiety levels, while the second questionnaire aimed to determine the primary factor behind this anxiety. The results indicated that 67% of the students experienced moderate anxiety, 20% experienced high levels, and 13% reported low anxiety. The study identified two main factors influencing foreign language reading anxiety: text features and personal factors. Text features encompassed unfamiliar vocabulary, topics, and culture, while personal factors included concerns about the effect of reading and fear of making errors. The second questionnaire revealed that unfamiliar language ranked as the most dominant factor, followed by concerns about the impact of reading, unfamiliar topics, fear of making errors, and unfamiliar culture. Recognizing that reading anxiety is a common experience among language learners is essential. However, with the proper support and guidance, students can overcome these challenges and succeed in their English language learning journey.
- 28 April 2023
- Published by Universitas Ahmad Dahlan in English Language Teaching Educational Journal
- Vol. 6  (1) , 1-13
Open AccessForeign language reading anxiety: Exploring the experiences of EFL students at a state university in Padang, Indonesia
This study investigates the levels of foreign language reading anxiety among EFL students at a state university in Padang, West Sumatra, Indonesia, to identify the main factors contributing to this anxiety. The study included 30 participants who provided data through two questionnaires. The first questionnaire utilized the Foreign Language Reading Anxiety Scale (FLRAS) to assess anxiety levels, while the second questionnaire aimed to determine the primary factor behind this anxiety. The results indicated that 67% of the students experienced moderate anxiety, 20% experienced high levels, and 13% reported low anxiety. The study identified two main factors influencing foreign language reading anxiety: text features and personal factors. Text features encompassed unfamiliar vocabulary, topics, and culture, while personal factors included concerns about the effect of reading and fear of making errors. The second questionnaire revealed that unfamiliar language ranked as the most dominant factor, followed by concerns about the impact of reading, unfamiliar topics, fear of making errors, and unfamiliar culture. Recognizing that reading anxiety is a common experience among language learners is essential. However, with the proper support and guidance, students can overcome these challenges and succeed in their English language learning journey.
- 31 March 2023
- Published by University of Southeastern Philippines in Southeastern Philippines Journal of Research and Development
- Vol. 28  (1) , 69-85
"I am Christ": Keyness Analyses of Christ Claimants' Sermons
Various religious leaders claim that they are Jesus Christ (the fundamental figure in Christianity), which makestheir groups highly distinct from other religious groups. This claim allows society to view generally these leaders as false Christs. To guide individuals in society in identifying their characteristics empirically, in this paper, the language in the discourses of these leaders from the aboutness and communication style perspectives is viewed through the key linguistic features identified. The sermons of Apollo Quiboloy (the leader of the Kingdom of Jesus Christ) and the sermons of AJ Miller (the leader of Divine Truth) who view themselves as Jesus Christ incarnate were used as the target corpora. The sermons of these leaders were comparedto different versions of the four canonical gospels (namely, Matthew, Mark, Luke, and John) as the benchmark corpora found in the Christian Bible using keyness analyses to identify the patterns of key linguistic features in the sermons for language characterization. The findings show that the language in the sermons of Apollo Quiboloy displays concepts such as the relationship of father and I (son) which are likely to be similar when compared to the gospels, whereas the language in the sermons of AJ Miller displays psychological concepts which are likely to be different when compared to the gospels. The findings in the sermons of Christ claimants may allow the characteristics of these religious leaders to be identified.
- 31 March 2023
- Published by University of Southeastern Philippines in Southeastern Philippines Journal of Research and Development
- Vol. 28  (1) , 69-85
"I am Christ": Keyness Analyses of Christ Claimants' Sermons
Various religious leaders claim that they are Jesus Christ (the fundamental figure in Christianity), which makestheir groups highly distinct from other religious groups. This claim allows society to view generally these leaders as false Christs. To guide individuals in society in identifying their characteristics empirically, in this paper, the language in the discourses of these leaders from the aboutness and communication style perspectives is viewed through the key linguistic features identified. The sermons of Apollo Quiboloy (the leader of the Kingdom of Jesus Christ) and the sermons of AJ Miller (the leader of Divine Truth) who view themselves as Jesus Christ incarnate were used as the target corpora. The sermons of these leaders were comparedto different versions of the four canonical gospels (namely, Matthew, Mark, Luke, and John) as the benchmark corpora found in the Christian Bible using keyness analyses to identify the patterns of key linguistic features in the sermons for language characterization. The findings show that the language in the sermons of Apollo Quiboloy displays concepts such as the relationship of father and I (son) which are likely to be similar when compared to the gospels, whereas the language in the sermons of AJ Miller displays psychological concepts which are likely to be different when compared to the gospels. The findings in the sermons of Christ claimants may allow the characteristics of these religious leaders to be identified.