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Mathematics is often perceived as a subject that is difficult for students to master, a notion that has been confirmed by numerous previous studies. One of the contributing factors is the limited variety of instructional media used in classrooms, which affects students' interest and comprehension. Many teachers still lack appropriate learning media to support blended learning approaches. This study aims to develop and implement multimedia-based Educational Instructional Media (EIM) that are valid, practical, and effective. The project utilizes video-based learning to deliver algebra concepts material for Grade VII students at SMPN 252 Jakarta and SMPIT Al-Qudwah. The development process follows the ADDIE model, which includes five stages: analysis, design, development, implementation, and evaluation. During the analysis phase, both learning needs and content requirements were mapped according to SAP (System Analysis and Product). The material was then divided into seven core sections. In the design stage, the curriculum structure, system flow, and user interface were developed. The development stage involved creating instructional content based on the analysis results. The content was then uploaded to the Moodle platform and presented using the Project-Based Learning (PjBL) model.

This article aimed to investigate the types of code mixing in digital communication by applying Hoffmann’s theory on code mixing. The data sources of this article were three videos: “First Day of University,” “Traveling Alone to Singapore,” and “19th Birthday GLOW UP” on the Grandtastic YouTube channel. The data were derived from Grandis Tenar’s speech, which consist of code mixing. The data were collected through observation and documentation methods, utilizing note-taking techniques. A qualitative method was employed to analyze the collected data. The results demonstrate that Grandis Tenar often mixing languages, especially within sentences, indicating a natural and fluent use of the two languages. This pattern reflects not only her bilingual competence, but also a tendency to mix codes in her daily communication.

Social media has become a new cultural space for teenagers to express themselves, interact socially, and form a self-image online. Trend culture on social media has become an important phenomenon in the dynamics of digital communication, especially among teenagers and the younger generation. Trend culture is a fluid cultural space where values, norms and identities are constantly negotiated through virtual interactions. Rapidly evolving trends through platforms such as TikTok, Instagram, and YouTube not only reflect lifestyle changes, but also become a means of self-expression, identity formation, and the search for social validation. This research aims to analyze how adolescent identity is represented through trend culture on social media in interaction patterns, meaning construction, and user self-representation. This research uses a descriptive qualitative approach with data collection techniques in the form of digital observation of active teenage users of the Instagram and TikTok platforms. The theory used is Stuart Hall's representation theory. The representation is not singular, but rather fluid and performative, depending on social dynamics, recognition needs, and symbolic interactions in digital space. The results show that cultural trends, such as viral challenges, clothing styles, the use of visual filters, and the use of certain captions, become an important medium in the construction and representation of teenage identity.

This study aims to examine the types and functions of code mixing used by Boy William in his YouTube videos. A descriptive qualitative approach was employed to analyse the linguistic data collected from four selected videos on his channel. The findings revealed that four types of code mixing were present in Boy William’s speech: unit insertion, unit hybridization, sentence insertion, and reduplication. A total of 23 instances of code mixing were identified across the selected videos, with the following distribution: 10 cases of unit insertion, 4 of unit hybridization, 8 of sentence insertion, and 1 of reduplication. Additionally, seven functions of code mixing were identified, including expressing emotion, asserting status, showing pride, enhancing clarity, making jokes, fulfilling communicative needs, and reflecting prestige. Based on this research, it can be concluded that code mixing is a common feature in Boy William’s YouTube content, serving various social and communicative purposes. The findings of this study offer an implication, particularly in the fields of sociolinguistics in which in sociolinguistics perspective, this research contributes to a deeper understanding of how multilingual speakers use code mixing as a communicative strategy in informal digital platforms like YouTube.

The advancement of information technology has transformed consumer behavior, particularly in making online purchasing decisions. YouTube, as one of the leading social media platforms, plays a crucial role in delivering product review content. This study aims to determine the influence of YouTube review content from the GadgetIn channel on online purchasing decisions of the TECNO CAMON 40 Pro 5G smartphone. The research employs a quantitative method with an explanatory survey approach involving 100 respondents who viewed the video titled “HP 3 jutaan bisa segila ini...”. The data analysis technique used is simple linear regression analysis using SPSS. The analysis results indicate a significant influence of GadgetIn's review content on purchasing decisions, with an R² value of 0.568 (56.8%), while the remaining 43.2% is influenced by other factors outside this study. The trust dimension (mean 4.115) was the most dominant factor, while the post-purchase behavior dimension (mean 4.11) was the most affected. Thus, it can be concluded that GadgetIn's review content has a positive and significant impact on consumer purchasing decisions.

This study aims to determine the use of YouTube learning media in improving students' critical thinking skills in history subjects of class XI at SMAN 1 Karangrejo. The background of this study is based on the low interest in learning and students' critical thinking skills in understanding abstract and narrative historical materials. YouTube media is considered as one of the interactive and interesting learning alternatives, which can visualize historical events in a concrete and easy-to-understand manner. The formulation of the problem obtained by the author is how the use of YouTube media among class XI students at SMAN 1 Karangrejo, in supporting the teaching and learning process. How effective is the use of YouTube-based learning media on the critical thinking skills of class XI students, in history subjects at SMAN 1 Karangrejo. From the formulation of the problem, the purpose of writing is to find out the use of YouTube media among class XI students at SMAN 1 Karangrejo, in supporting the teaching and learning process. To find out the effectiveness of the use of YouTube-based learning media on the critical thinking skills of class XI students, in history subjects at SMAN 1 Karangrejo. This study uses a qualitative approach with a case study type. Data collection techniques are carried out through observation, in-depth interviews with history teachers and students, and documentation. The main focus of this study is on the learning process, student responses to the use of YouTube media, and how the media facilitates the development of students' critical thinking skills. The results of the study showed that the use of YouTube media had a positive impact on improving students' critical thinking skills. The historical videos shown were able to stimulate curiosity, encourage discussion, and help students analyze and evaluate historical events in more depth. In addition, students became more active, enthusiastic, and involved in the learning process.

This research is analyzing types of code switching used by Livy Renata on Denny Sumargo Youtube Channel. In this research, the researchers analyzed three types of code switching, there are: estrasentential code switching, intersentential code switching, intrasentential code switching. Qualitative method research based on content analysis was watching the video, listening the audio, and identifying the code switching. After analyzing the data, the researchers found 38 data and the researchers got a result such as: extrasentential code switching have 6, intersentential code switching have 12, intrasentential code switching have 20.    

The brainrot phenomenon has emerged in response to the high consumption of low-quality short videos among students, resulting in a decrease in focus and thinking skills. This article analyzes the literature on the impact of short-form content such as TikTok, Instagram Reels and YouTube Shorts on student cognitive abilities. The results show that overexposure to short, focused videos triggers addiction, which results in disrupting learning processes that require concentration and reflection. In addition, consumption of fast-paced content leads to a decline in literacy and critical thinking. These findings focus on the importance of digital literacy and educational policies that can keep pace with the changing media consumption patterns of today's students.  

English language skills are an essential competency for health students, especially in accessing scientific literature, understanding medical terminology, and facing the demands of professional globalization. However, the suitability of the English language learning curriculum with the specific needs of health students is still an issue. This study aims to identify the academic and professional English language needs of health students at Hafshawati University. The study used a qualitative approach with an open-ended questionnaire instrument that was analyzed thematically. Participants consisted of five students from various semesters and health study programs. The results showed that the ability to read and understand English-language medical references was the main need, followed by speaking skills in the context of professional communication. Non-formal learning media such as YouTube and TikTok were also actively utilized by students. The implications of this study indicate the importance of curriculum reformulation based on needs analysis and strengthening the English for Specific Purposes (ESP) approach in health education. These findings provide a basis for the development of teaching materials, lecturer training, and more contextual and applicable learning designs.

This study aims to analyze the phenomenon of code-switching and code-mixing in YouTube content by Noona Rosa as a linguistic practice in a multilingual digital context. Using a descriptive qualitative approach, data were collected from several of Noona Rosa's uploaded videos and analyzed in terms of form, function, and influencing factors in the use of Indonesian and Korean code variation. The findings reveal that code-switching is employed to express emotions, reinforce cultural identity, and build rapport with bilingual audiences. Meanwhile, code-mixing commonly appears in the insertion of Korean cultural terms into Indonesian sentence structures, serving as a communicative strategy of identity and cultural meaning preservation. The influencing factors include social context, speaker identity, discussion topics, and emotional expression. These findings contribute significantly to sociolinguistic studies and highlight how digital media serves as a platform for multicultural identity expression.

This study aims to analyze the phenomenon of code-switching and code-mixing in YouTube content by Noona Rosa as a linguistic practice in a multilingual digital context. Using a descriptive qualitative approach, data were collected from several of Noona Rosa's uploaded videos and analyzed in terms of form, function, and influencing factors in the use of Indonesian and Korean code variation. The findings reveal that code-switching is employed to express emotions, reinforce cultural identity, and build rapport with bilingual audiences. Meanwhile, code-mixing commonly appears in the insertion of Korean cultural terms into Indonesian sentence structures, serving as a communicative strategy of identity and cultural meaning preservation. The influencing factors include social context, speaker identity, discussion topics, and emotional expression. These findings contribute significantly to sociolinguistic studies and highlight how digital media serves as a platform for multicultural identity expression.

Social media has become an integral part of Generation Z's life, including elementary school students, who are known as the tech-savvy generation. This study aims to examine Generation Z students' perceptions of the influence of social media on their academic behavior and learning concentration through a literature study approach. Data were collected from various current literature sources and analyzed using thematic analysis methods. The results of the study indicate that social media has a dual impact: platforms such as YouTube and educational applications such as Kahoot increase motivation and access to learning resources, but uncontrolled use causes distraction, procrastination, and decreased learning concentration. The characteristics of Generation Z, such as dependence on technology and the need for digital existence, strengthen the influence of social media on their academic behavior. Therefore, a balanced educational approach is needed to maximize the benefits of social media while minimizing its negative impacts. This study provides insight for educators and parents in managing the use of social media wisely.

This study aims to analyze how cultural and religious identities are represented and interact in the Log In podcast on Dedy Corbuzier's YouTube channel. The focus of this research is on the interaction among five speakers with diverse ethnic and cultural backgrounds. A qualitative approach is employed, using Identity Negotiation Theory as the analytical framework. The findings reveal that the speakers openly express their identities through symbols, verbal expressions, and personal experiences. These interactions demonstrate identity negotiation in accordance with the core dialectics of Identity Negotiation Theory: security vs. vulnerability, inclusion vs. differentiation, and connection vs. autonomy. The study concludes that intercultural communication occurs effectively through openness, acceptance, and a willingness to respect others' identities.

The rapid development of the digital era has led to a significant increase in cases of online fraud. BCA, as a trusted bank, acknowledges its concern regarding the increasing issue of fraud which threatens customer security and comfort. Therefore, through the advertising campaign “Don't Know? Kasih No! On YouTube” which contains the dangers and threats of online fraud. The aim of this research is to reveal the meaning of messages and understand the construction of social reality using Ferdinand De Saussure's semiotics. The theory used in this research is the theory of social reality construction, advertising, signs and meaning, visual communication, YouTube as an advertising medium, semiotics, and Ferdinand De Saussure's semiotics. This research uses descriptive qualitative methods. Data collection techniques use text analysis. The results of this research reveal the importance of digital literacy and caution in interacting in the digital world, so that society can be protected from increasingly complex and diverse threats. The understanding that we want to build in this advertisement is that BCA Bank is a bank that prioritizes customer security. By showing fishing symbolism to show how phishing can deceive its victims in a seemingly harmless way.

This study aims to recognize and compare the vocabulary used in Serang Javanese and Betawi language in the YouTube Version of Si Doel Movie in Season 1 and 2. The approach used is descriptive qualitative by using contrastive analysis technique. Data were obtained by observing the dialog in the movie, as well as conducting interviews with native speakers of both languages. The findings of this study show that there are vocabularies that have the same form and meaning (10 vocabularies), similar forms but the same meaning (9 vocabularies), and different forms but the same meaning (45 vocabularies). This difference shows the characteristics of each regional language, even though they are geographically located in close proximity. This study emphasizes the importance of maintaining local languages and understanding vocabulary variation in inter-dialect communication.

This study aims to analyze the preaching strategy used by Habib Ja'far in building religious tolerance through the "Log In" content. In the digital era, online media has an important role in shaping public opinion and attitudes towards various issues, including interfaith tolerance. Habib Ja'far, as a religious figure who is active on social media, has great potential to influence public views on the importance of living side by side in harmony. This study uses a qualitative descriptive method with a framing analysis approach. Data were collected from the "Log In" video content featuring a dialogue between Habib Ja'far and other religious figures. The results of the study show that Habib Ja'far uses an inclusive preaching strategy, emphasizing the values ​​of kindness, compassion, and tolerance. He also encourages viewers to practice tolerance in everyday life. Through the "Log In" content, Habib Ja'far not only creates an inclusive interfaith dialogue, but also spreads a message of peace and harmony. This study concludes that Habib Ja'far's digital preaching is effective in building interfaith understanding in an increasingly pluralistic society, and has a significant influence on the understanding of religious tolerance among students.

Language plays a vital role in expressing emotions, facilitating communication, and conveying a speaker’s stance through modality. This study analyzes the use of modality in a political speech by Donald Trump regarding a new U.S.-China trade deal, delivered on May 12, 2025. Employing a descriptive qualitative method, the research investigates how modality reflects Trump's intentions, beliefs, and authority. Data were collected through indirect observation of a YouTube video titled “President Trump touts new US-China trade deal: We Opened Up China”, followed by transcription, identification, and categorization of modality types based on Palmer's (2013) framework: epistemic, deontic, and dynamic modality. The findings reveal that Trump uses epistemic modality to express speculation, deontic modality to convey obligation and prohibition, and dynamic modality to demonstrate capability and initiative. These elements function strategically to shape his image as a decisive and persuasive leader. The study supports previous findings that modality serves as a rhetorical device in political discourse, contributing to influence and narrative construction.

Employing a qualitative methodology that integrated video content analysis and interviews with both the curator and viewers of the YouTube channel @hippiearab, this research aims to elucidate the distinctive narrative approach utilized in the propagation of religious tenets. The central discovery of this inquiry highlights that a direct, relatable to daily life, and captivating storytelling mode simplifies the comprehension of religious doctrines for the audience. Furthermore, the application of everyday language within the content has demonstrated its efficacy in forging a robust emotional bond between the content creator and the video recipients. This study underscores the pivotal role of online media, notably YouTube, as an influential tool for instilling spiritual values in younger generations within the context of their ordinary existence.

The development of social media platforms such as Instagram, TikTok, Facebook, and YouTube has resulted in a major transformation in the way people communicate and interact, especially among Generation Z. This generation, born between 1997 and 2012, was formed in a digital environment rich in information and high social interaction. This study aims to uncover the psychological impacts of excessive social media use, such as the emergence of feelings of fear of missing out (FoMO), anxiety, low self-confidence, and identity crisis. Various studies have shown that high frequency of social media use is closely related to increased social pressure and mental health disorders. From an Islamic perspective, the Qur'an as a guide for Muslims offers spiritual solutions that can help balance the challenges of this digital era. This research underlines the importance of a faith-based approach to addressing the negative impacts of social media, and invites the younger generation to return to Qur'anic values ​​in order to achieve inner peace and strengthen their relationship with Allah SWT.

An Illustrated Storybook of Sir Alex Ferguson’s Coaching Career at Manchester United is designed to narrate the journey of one of the most prominent figures in the world of football from the United Kingdom. This project addresses the lack of engaging and inspiring reading materials for Indonesian adolescents, particularly those that present biographical content in an illustrated format. The book aims to serve as an alternative form of educational and motivational media, with the ultimate goal of fostering reading interest among young readers in Indonesia. The visual elements of the book are rendered in a semi-realistic, full-color illustration style to enhance appeal and accessibility for the target audience—teenagers. The design process utilizes the glass box method, which involves the collection of data and information from external sources. These sources include academic journals, articles, websites, films, YouTube content, autobiographical e-books, and other relevant digital platforms. Data collection is conducted to ensure a comprehensive understanding of the subject matter. Additionally, the problem-solving approach employed is based on the 5W+1H analytical framework (What, Why, Who, When, Where, and How). The final outcome of this undergraduate thesis project is a primary medium in the form of an illustrated storybook. It is further supported by a variety of promotional media such as an e-book, T-shirt, drawstring bag, X-banner, stickers, keychains, and posters.