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All Journal World Psychology Journal International Dakwah and Communication International Journal of Educational Narratives Journal Emerging Technologies in Education Research of Scientia Naturalis Journal of Social Entrepreneurship and Creative Technology
Kobayashi, Riko
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Agriculture, Biological Sciences & Forestry Chemistry Computer Science & IT Decision Sciences, Operations Research & Management Education Languange, Linguistic, Communication & Media Physics Social Sciences Other

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Communication Patterns in Intercultural Marriages Involving Muslims Ilyas, Sanusi; Kobayashi, Riko; Nishida, Daiki
Journal International Dakwah and Communication Vol. 4 No. 2 (2024)
Publisher : Sekolah Tinggi Agama Islam Al-Hikmah Pariangan Batusangkar, West Sumatra, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55849/jidc.v4i2.766

Abstract

This study aims to explore communication patterns within intercultural marriages involving Muslim individuals. The increasing globalization and migration have led to a rise in intercultural marriages, often presenting unique challenges, particularly in communication. The study specifically focuses on the experiences of Muslim individuals in such marriages to understand the communication strategies they employ and the factors that influence these patterns. A qualitative approach, involving in-depth interviews with participants from various cultural backgrounds, was adopted to gather rich and detailed data. The findings reveal that effective communication in intercultural marriages involving Muslims is influenced by factors such as cultural differences, religious beliefs, and individual personalities. Participants employed various strategies, including accommodation, compromise, and intercultural mediation, to navigate these complexities. The study contributes to the existing literature on intercultural communication by highlighting the unique dynamics of Muslim intercultural marriages and providing insights for couples, counselors, and researchers.  
Effectiveness of Career Guidance Program in Improving Students’ Job Readiness Yamamoto, Sota; Kobayashi, Riko; Gonzales, Samantha
International Journal of Educational Narratives Vol. 3 No. 2 (2025)
Publisher : Yayasan Pendidikan Islam Daarut Thufulah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70177/ijen.v3i2.2153

Abstract

Background. With increasing competition in the labor market, students must possess not only academic knowledge but also the practical skills and emotional readiness to transition into professional environments. Purpose. This study aims to evaluate the effectiveness of a career guidance program in improving students’ job readiness, focusing on key factors such as self-efficacy, communication skills, and career decision-making abilities. Method. A quantitative research design was employed, using pre- and post-surveys to assess the program’s impact on a sample of 300 high school students. The data were analyzed using descriptive statistics and paired sample t-tests. Results. The results indicate a significant improvement in students’ job readiness after participating in the career guidance program. The most notable gains were observed in self-confidence, the ability to make informed career decisions, and the development of job-search skills. Conclusion. The study concludes that career guidance programs are highly effective in equipping students with the necessary skills and mindset to succeed in the job market. Schools and educational institutions should prioritize the implementation of such programs to better prepare students for future employment opportunities.  
Digital Storytelling and STEM Identity: A Narrative Inquiry of Female High School Students in Japan Tanaka, Kaito; Kobayashi, Riko; Sato, Haruka
International Journal of Educational Narratives Vol. 3 No. 3 (2025)
Publisher : Yayasan Pendidikan Islam Daarut Thufulah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70177/ijen.v3i3.2208

Abstract

Background. Despite Japan’s global reputation for technological innovation, female representation in science, technology, engineering, and mathematics (STEM) fields remains disproportionately low. Cultural expectations, gender norms, and limited role models contribute to the underrepresentation of young women in STEM pathways. Purpose. This study explores how digital storytelling can serve as a transformative pedagogical tool to support the development of STEM identity among female high school students in Japan. Method. Using a qualitative narrative inquiry approach, the study engaged 15 female students aged 16–18 from three urban high schools. Participants created and reflected on personal digital stories that connected their lived experiences with STEM-related aspirations, interests, or challenges. Results. Data were collected through digital artifacts, in-depth interviews, and reflective journals, then analyzed thematically. Findings reveal that digital storytelling enabled participants to articulate their evolving sense of agency, challenge internalized gender stereotypes, and envision themselves in future STEM careers.  The process fostered increased confidence, self-recognition as potential STEM contributors, and a sense of belonging in scientific discourse. Conclusion. This study demonstrates the potential of narrative-based, multimodal learning tools in reshaping STEM identity formation for underrepresented groups. It contributes to feminist pedagogy and STEM education research through the intersection of narrative, identity, and digital media.  
The Relationship Between Sleep Quality and Depression Level in Students During the Covid-19 Pandemic Period Permatananda, Pande Ayu Naya Kasih; Yamamoto, Sota; Kobayashi, Riko
World Psychology Vol. 4 No. 1 (2025)
Publisher : Sekolah Tinggi Agama Islam Al-Hikmah Pariangan Batusangkar, West Sumatra, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55849/wp.v4i1.799

Abstract

The Covid-19 pandemic has caused significant disruptions in daily life, leading to various mental health challenges, particularly among students. Sleep quality and depression are closely related, with poor sleep often contributing to higher levels of depression. During the pandemic, changes in daily routines, increased stress, and social isolation have likely affected both sleep patterns and mental health. This study aims to investigate the relationship between sleep quality and depression levels in students during the Covid-19 pandemic period. A cross-sectional design was employed, with 300 university students completing an online survey. Sleep quality was assessed using the Pittsburgh Sleep Quality Index (PSQI), and depression levels were measured with the Patient Health Questionnaire-9 (PHQ-9). The results indicated that students reporting poor sleep quality had significantly higher depression scores compared to those with better sleep quality. A negative correlation was found between sleep quality and depression levels, with poorer sleep associated with higher depression severity. The study concludes that poor sleep quality is a significant predictor of increased depression in students during the pandemic. These findings emphasize the need for interventions targeting sleep improvement as part of mental health support for students during and beyond the Covid-19 crisis.
Applying Augmented Reality for History Lessons in Japan Kobayashi, Riko; Sato, Haruka; Suzuki, Ren; Hussain, Sara; Tariq, Usman
Journal Emerging Technologies in Education Vol. 3 No. 2 (2025)
Publisher : Yayasan Pendidikan Islam Daarut Thufulah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70177/jete.v3i2.2162

Abstract

Background. The integration of Augmented Reality (AR) into history education holds the potential to enhance student engagement and comprehension by providing immersive, interactive learning experiences. A mixed-methods approach was adopted, combining pre- and post-tests with interviews and focus groups. The findings suggest that AR can serve as a transformative tool in history education, bridging the gap between abstract content and lived experience.Purpose. This study investigated the effectiveness of AR-enhanced history lessons in Japanese high schools. A total of 200 students aged 15–18 participated in a quasi-experimental study, with one group receiving AR-based instruction and a control group continuing traditional methods. Method. Quantitative results showed a 25% improvement in historical knowledge among AR users versus 5% in the control group (p < 0.001). Qualitative feedback indicated higher engagement, improved retention, and greater enthusiasm toward history learning. Result. The findings indicate a significant increase in student engagement and understanding of historical events, with 85% of students reporting improved retention and a deeper understanding of history. Teachers noted a positive shift in students’ enthusiasm for learning history.Conclud. AR technology enhances history education by providing immersive and interactive learning experiences, leading to greater student engagement and better knowledge retention.  
Nanomaterials for Catalytic Converters: Improving Air Quality Through Innovation Takahashi, Haruto; Kobayashi, Riko; Al-Sayid, Nisreen
Research of Scientia Naturalis Vol. 2 No. 2 (2025)
Publisher : Yayasan Adra Karima Hubbi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70177/scientia.v2i2.2010

Abstract

Air pollution remains a critical global issue, largely due to emissions from vehicles. Catalytic converters play a vital role in reducing harmful pollutants, but their efficiency can be improved through innovative materials. Nanomaterials have emerged as promising candidates for enhancing catalytic converter performance. This study aims to investigate the application of nanomaterials in catalytic converters to improve their efficiency in reducing harmful emissions. The research focuses on identifying specific nanomaterials that can enhance catalytic activity and longevity. A comprehensive review of existing literature on nanomaterials used in catalytic converters was conducted. Laboratory experiments were performed to evaluate the catalytic performance of various nanomaterials, including metal nanoparticles and nanocomposites, in simulated exhaust conditions. Emission measurements were analyzed to assess effectiveness. Findings indicate that the incorporation of nanomaterials significantly enhances the catalytic activity of converters. Metal nanoparticles demonstrated improved oxidation and reduction reactions, resulting in higher conversion rates of NOx, CO, and unburned hydrocarbons. The study also identified optimal concentrations and combinations of nanomaterials for maximum efficiency. This research highlights the potential of nanomaterials to transform catalytic converters and improve air quality.  
Haptic Feedback and Presence in Virtual Reality: An Experimental Study on the Impact of Tactile Sensations on User Immersion Tan, Ethan; Kobayashi, Riko; Hoffmann, Lena
Journal of Social Entrepreneurship and Creative Technology Vol. 2 No. 6 (2025)
Publisher : Yayasan Adra Karima Hubbi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70177/jseact.v2i6.2969

Abstract

The integration of haptic feedback into Virtual Reality (VR) systems has gained significant attention as a means to enhance user immersion and presence. While visual and auditory feedback have been extensively studied, the impact of tactile sensations on users' experience of immersion in VR environments remains underexplored. This study investigates the effects of different types of haptic feedback on user presence and immersion in VR. The research aims to determine how tactile sensations, such as vibration and force feedback, influence users' engagement and emotional involvement in virtual environments. A mixed-methods approach was used, involving 90 participants who were exposed to three conditions: no haptic feedback, basic haptic feedback (vibration), and advanced haptic feedback (force and texture simulation). Quantitative data were collected through immersion and presence questionnaires, while qualitative data were gathered through post-experiment interviews. The results show that advanced haptic feedback significantly improves both user presence and immersion compared to the other two conditions. Participants in the advanced feedback group reported higher emotional engagement, greater realism, and improved cognitive involvement. These findings suggest that haptic feedback plays a critical role in enhancing VR experiences by fostering a stronger sense of being "there" in the virtual world. The study concludes that incorporating sophisticated tactile feedback is essential for improving user immersion in VR.
Co-Authors Al-Sayid, Nisreen Gonzales, Samantha Hoffmann, Lena Hussain, Sara Ilyas, Sanusi Nishida, Daiki Pande Ayu Naya Kasih Permatananda Sato, Haruka Suzuki, Ren Takahashi, Haruto Tan, Ethan Tanaka, Kaito Tariq, Usman Yamamoto, Sota