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“study”

5,381 referensi ditemukan
JOURNAL PAIinternational2026

Numerical study of a Saharan dust plume impact on radiation, urban climate and thermal comfort in the Paris region during an heatwave event

J. Bernard; T. Nagel; V. Masson; A. Lemonsu; J. Wurtz; P. Tulet; Q. Rodier · DOAJ Open Access Articles

In Europe, heatwave conditions associated with southern synoptic flows can sometimes be combined with episodes of dust plumes coming from the Saharan desert. Change in the atmospheric composition of aerosols alters the radiation observed near the ground, resulting in impacts on other variables such as air temperature. This study focuses on the heatwave exper…

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JOURNAL Umuminternational2026

Teachers and Learners’ Perceptions of Autonomy in English Language Learning: A Comparative Study of State Schools and Private Language Institutes in Iran

Ahmad Nasiri; Abbas Zarei · DOAJ Open Access Articles

Autonomy is an important concept in education. It is a multi-faceted trait. The present study examined various aspects of autonomy, specifically, cognitive, interpersonal, institutional, and technological, within English language learning settings in both state schools and private language institutes. A questionnaire was developed, drawing on key concepts fr…

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JOURNAL Umuminternational2026

Integrating ICT and AI-driven Reflective Practice to Enhance EFL Teachers’ Language Assessment Literacy: A Comparative Study of Young and Adult-Learner Contexts

Mohammad Hossein Arefian; Rajab Esfandiari; Abbas Ali Zarei Mavini · DOAJ Open Access Articles

Language Assessment Literacy (LAL) is vital for effective instruction, but its development is often limited by institutional policies and a lack of contextualized professional development. Although information and communication technology (ICT) and Artificial Intelligence (AI) provide new avenues for nurturing reflective practice and fostering LAL, their inf…

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JOURNAL Umuminternational2026

Communication for the Circular Economy: Empirical Evidence from a Study Applied to Students in Economic Engineering

Liliana Doina MAGDOIU; Simona Veronica ABRUDAN CACIORA · DOAJ Open Access Articles

This paper examines the role of communication in the implementation of circular economy, focusing on how students specialising in economic engineering receive and interpret sustainability-related information, as their perceptions may directly shape the extent to which circular-economy practices are understood, adopted, and integrated into future economic and…

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JOURNAL Umuminternational2026

Vaccine hesitancy among mothers of under-fivechildren: A community based cross-sectional study in migrant settlements of Ahmedabad

Sudhanshu Saurabh; Hothal Vegad; Aparajita Shukla · DOAJ Open Access Articles

Background: Vaccine hesitancy remains a major barrier to achieving optimal childhood immunization coverage, particularly among underserved communities. This study assessed the prevalence of vaccine hesitancy and its predictors among mothers of under-five children residing in migrant settlements of Ahmedabad, Gujarat. Material and methods: A community…

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JOURNAL Umuminternational2026

Association between mukbang and cookbang watching and obesity in Korean adolescents: a cross-sectional study

Ji-Hye Jung; Yeon-Oh Han · DOAJ Open Access Articles

Objectives In this study, the association between the frequency of watching mukbang/cookbang (online eating and cooking broadcasts) and obesity in Korean adolescents was investigated using data from the 21st (2025) Korea Youth Risk Behavior Web-based Survey. Methods The subjects were 52,624 middle- and high-school students, who were classified based on watch…

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JOURNAL Umuminternational2026

Analysis of evaluation indicators and development of a logic model-based performance evaluation framework for early childhood programs in the Center for Children’s and Social Welfare Foodservice Management in South Korea: a mixed-methods study

Sohyun Park; Jieun Oh; Hyun Joo Ryou; Ji-Yun Hwang; Kirang Kim · DOAJ Open Access Articles

Objectives This study analyzed the current evaluation indicators used for early childhood programs by the Center for Children’s and Social Welfare Foodservice Management (CCFSM) in South Korea and developed a logic model-based performance evaluation framework to improve the system through outcome-oriented assessment. Methods The study comprised four stages. …

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JOURNAL Umuminternational2025

Socio-Demographic Characteristics of Individuals Seeking Non-Surgical Aesthetic Procedures: A Cross-Sectional Study

Samar Jasim; Mariam Al-Ashbal · DOAJ Open Access Articles

Background: Non-surgical aesthetic procedures are widely used to enhance appearance and psychosocial well-being, with rising demand in Iraq. This study characterized sociodemographic profiles of individuals seeking non-surgical procedures and examined associations with indications, motivations, and outcomes.Methods: A cross-sectional survey was conducted at …

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JOURNAL Umuminternational2025

Optical Monitoring of Coastal-Marine Environments through Colored Dissolved Organic Matter (CDOM) (Southern Pars Region Case Study)

Mehdi Gholamalifard; Bonyad Ahmadi; Maryam Naghdi; Seyed Mahmoud Ghasempouri; Ali Saber; Sohrab Mazloumi · DOAJ Open Access Articles

Objective: Colored Dissolved Organic Matter (CDOM) of terrestrial origin plays a crucial role in the biogeochemical cycles of carbon, nitrogen, and phosphorus in coastal regions. This component significantly influences water quality and ecosystem services by affecting light penetration. Despite the importance of CDOM in coastal ecosystems, most global studie…

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JOURNAL Umuminternational2025

Effectiveness of an integrated prevention program for occupational heat-related risks: A descriptive study in Italy

Angelo SACCO; Angela Anna CRAMAROSSA; Livia FERRI; Ines PICCARI; Virna PISCIOTTANO · DOAJ Open Access Articles

Introduction: The rise in global temperatures and the frequency of heatwaves pose significant challenges to workplace health and safety, particularly in outdoor sectors. This study evaluates the effectiveness of an integrated prevention program in mitigating occupational heat-related risks during the summer of 2024 in Italy. Methods: A descriptive study was…

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JOURNAL Umuminternational2025

Epistemological beliefs in mathematics teacher educators: An exploratory study in Chile

Mirko Aguilar-Valdés; Helena Montenegro · DOAJ Open Access Articles

In Chile, mathematics results are insufficient at the school level. To address this problem, the need to rethink teaching has been raised. Evidence indicates that epistemological beliefs are at the basis of pedagogical decisions, and their study has been developed mainly in primary and secondary school teachers. However, scientific evidence is scarce regardi…

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JOURNAL Umuminternational2025

Syllabus Design Knowledge (SDK) Among Iranian EFL Teachers: A Comparative Study of Novice and Experienced Teachers in Public High Schools and Private Language Institutes

Mehdi Vaez-Dalili; Farinaz Rahnamaei; Bahram Hadian · DOAJ Open Access Articles

This quantitative, causal-comparative study investigated differences in Syllabus Design Knowledge (SDK) between novice and experienced Iranian EFL teachers in public high schools and private language institutes. A sample of 120 EFL teachers, stratified into four equal groups (novice/experienced x public/private), completed a validated Syllabus Design Knowled…

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JOURNAL Umuminternational2025

Digital literacy for participating in presidential election: A study on Indonesian students

Marwiyah Marwiyah; Labibah Zain; Aliva D Kamila; Thoriq T Prabowo · DOAJ Open Access Articles

Digital literacy is needed during the presidential election. This study aims to determine the level of digital literacy of Indonesian students concerning what they do with social media information in facing the 2024 presidential election. We conducted a survey in which questionnaires were used as a research instrument to measure the four digital competencies…

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JOURNAL Umuminternational2025

Digital text and communication literacy of English Language Teachers: Implications from a reconstructive study on teachers’ professional development

Annika Janßen; Jan-Erik Leonhardt; Alexandra Kemmerer; Britta Viebrock · DOAJ Open Access Articles

In this contribution, we will introduce the concept of Digital Text and Communication Literacy (DITECOL), which was developed as part of the DigiNICs project. It contains subject-related, functional, critical, and methodological competences to deal with and teach digital texts and communication forms in foreign language education. We will present first resul…

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JOURNAL Umuminternational2024

Teacher candidates’ perspectives on inclusive education: A case study of mentored inclusive research

Sarah M. Hart · DOAJ Open Access Articles

Pre-service teachers desire an innovative and inclusive future for education yet feel underprepared to realistically transform their future classrooms. In this study, teacher candidates were mentored in inclusive research that captured the perspectives of young adults with significant disabilities during their post-school transitions. Following these experie…

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JOURNAL Umuminternational2024

The feasibility of computerized adaptive testing of the national benchmark test: A simulation study

Musa Adekunle Ayanwale; Mdutshekelwa Ndlovu · DOAJ Open Access Articles

The COVID-19 pandemic has had a significant impact on high-stakes testing, including the National Benchmark Tests in South Africa. Current linear testing formats have been criticized for their limitations, leading to a shift towards Computerized Adaptive Testing [CAT]. Assessments with CAT are more precise and take less time. Evaluation of CAT programs requi…

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JOURNAL Umuminternational2024

Evaluation of English Language Teacher Professional Development Programs in an EFL Context: A Mixed Method Study

Saja Ghasem Tahimash; Reza Khani; Leila Shoja · DOAJ Open Access Articles

This study intended to assess how ELT teachers evaluate the quality of Pre and In-service TPD Programs in an EFL context. Data for this study came from a survey and follow-up interviews with 300 high school EFL teachers. The findings suggest that the ELT teachers recommend professional development programs that prioritize continuous learning, knowledge and s…

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JOURNAL Umuminternational2024

Adapting English Language Education to the EIL Framework: A Case Study of Expanding Circle Countries

Mohammad Reza Anani Sarab; ?Abbas Monfared · DOAJ Open Access Articles

The pluricentricity of English language has led to the appearance of new trends in English language education. This is especially important in Expanding Circle (EC) countries to develop intercultural communication among learners. The current study attempted to investigate the views of Iranian Englishteachers towards the relevancy of English as an internation…

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JOURNAL Umuminternational2024

On the Importance of Learning Vocabulary in Academic Materials: A Mixed- Methods Study to Probe into the State of Language Progress, Willingness to Communicate and Academic Engagement from the Voices of EFL Learners

Ehsan Namaziandoost; Hossein Kargar Behbahani; Goodarz Shakibaei · DOAJ Open Access Articles

This investigation aimed to inform instructional practices that foster linguistic development and enhance the overall language learning experience by unraveling the nuanced dynamics at play. To this end, the researchers explored the influence of two distinct vocabulary books, "Keyword for Fluency" and "1100 Words You Need to Know," on language growth, willin…

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JOURNAL Umuminternational2024

Subvertising in the classroom: A comparative study on fostering critical media literacy

Inés Leal-Rico · DOAJ Open Access Articles

Subvertising, traditionally linked to counterculture and anti-consumption, is utilized in education to reveal the manipulative strategies of corporate messaging to students. Classroom use of cut-and-paste methods deconstructs advertisement messages, fostering an understanding of how needs and desires are constructed through appropriation, incorporation, and …

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