Petra Christian University

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    Financial naivety, excessive gaming, and compulsive buying influence cryptocurrency continuance intention: the mediating role of overconfidence and risk tolerance

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    This study seeks to investigate the investment persistence among individuals who have maintained cryptocurrency holdings in the previous year. Financial naivety, online compulsive buying, and excessive gaming behaviours influence continuance intention, either through overconfidence or risk tolerance. The sample comprised 1,097 participants selected from the five provinces of Indonesias most significant internet user bases. Structural equation modeling is utilised in this study. This study demonstrates that excessive gaming behaviour and financial naivety are associated with continuance intention, either directly or indirectly, via overconfidence or risk tolerance. Investors should be cautious regarding their financial naivety and excessive gaming behaviour, as these elements increase the tendency to be overly optimistic. The findings are consistent with the Dunning-Kruger effect. Conversely, this study fail to substantiate the correlation between compulsive buying and continuance intention. The implication is to provide investors with valuable insights into the psychological effects of specific behaviors on investment decisions

    A Sustainable Perspective: Using Machine Learning Approach to Predict the Donation Behavior of Used Smartphones in Indonesia to Extend Smartphones Usage Life

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    The growing issue of electronic waste (e-waste) in Indonesia, driven by the short lifecycle of smartphones and limited interest in refurbished devices, highlights the need for sustainable disposal alternatives. This study investigates the factors influencing Indonesians willingness to donate used smartphones, promoting e-waste reduction and digital access for underprivileged students in rural areas. Analyzing data from 416 respondents, we found that 57% expressed willingness to donate, with key factors including device obsolescence, age, and involvement in social activities. Machine learning models applied to predict donation behavior accurately predicting outcomes 91.67% of the time. The findings reveal the potential of functional but obsolete smartphones to address educational needs, offering a sustainable solution that bridges the digital divide and supports e-waste reduction. These insights guide strategies for social organizations to enhance donation programs, tackling both behavioral and logistical barriers for greater environmental and social impact

    Mewujudkan Green School: Generasi Hijau Sebagai Agen Perubahan Lingkungan Melalui Kegiatan Daur Ulang Sampah

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    Kesadaran dalam menjaga kebersihan dan peduli terhadap lingkungan di kalangan pelajar masih perlu ditingkatkan. Kegiatan abdimas ini bertujuan memberikan edukasi secara aktif tentang upaya peduli lingkungan melalui kegiatan memilah sampah sebagai bagian dari program Green School. Metode yang digunakan adalah partisipatif untuk membangun tanggung jawab dan kepedulian lingkungan adapun mitra kegiatan adalah siswa SMP Negeri 1 Mojoagung. Evalusi kegiatan diperoleh melalui kuesioner yang disebarkan pada para siswa untuk mengukur pengetahuan, sikap, dan perilaku siswa terkait pengelolaan sampah. Hasil evaluasi menunjukkan mayoritas siswa memiliki pengetahuan yang baik tentang pentingnya memilah sampah dan dampaknya terhadap lingkungan. Selain itu, sebagian besar siswa menunjukkan sikap positif dan bersedia terlibat dalam kegiatan pengolahan sampah di sekolah. Kegiatan abdimas ini menunjukkan bahwa siswa tidak hanya menyadari pentingnya pengelolaan sampah, tetapi juga bersedia berkontribusi aktif dalam mendukung program Green School. Dengan demikian, upaya pendidikan di lingkungan sekolah dapat meningkatkan kesadaran dan keterlibatan siswa dalam menjaga kelestarian lingkungan. Kegiatan ini diharapkan dapat memberikan rekomendasi bagi pihak sekolah dalam memperkuat program Green School dan memfasilitasi partisipasi siswa

    Re-Kreasi Atap: dari Naungan ke Halaman pada Arsitektur Kafe

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    This paper aims to reflect on the transformation of roofs from merely providing shelter to becoming active thematic spaces in cafe architecture. This study responds to the phenomenon of uniquely designed cafes, which leverage various spatial aspects, including roofs, to enhance the outdoor spatial experience. Roofs are no longer just protective coverings against the weather, but have the potential to be reimagined as imaginative, explorative active spaces. This study employs a descriptive qualitative approach based on case studies in Indonesia within a tropical context to illustrate the diverse roles and functions of roofs. The analysis is conducted by identifying the configuration of roofs as active spaces. The primary objective is to uncover how the application of roofs as active spaces involves various responsive design operations and strategies. The findings of this study highlight three key aspects of the new role of roofs: extended functionality, creative configurations, and functional construction. It is hoped that these insights will inspire cafe architectural designs to explore various other architectural aspects, beyond the traditionally understood limitations of roof functions

    INTEGRATION, RELATION, AND RECREATION: RETHINKING ARCHITECTURAL PROGRAMMING

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    This study rethinks architectural programming as an innovative process, emphasizing the integration of contextual elements, the relational blending of multiple functions, and the adaptive reuse of existing spaces as recreation over time. Moving beyond the traditional understanding of programming as problem-finding-solving, this research redefines it as a dynamic framework bridging theoretical insights and practical design applications. Through a qualitative case study methodology, the paper examines three landmark projects with similar functions by Bjarke Ingels Group—8 House, The Mountain, and Urban Rigger—to explore the transformative potential of programming. The analysis positions programming as an integrative tool that aligns spatial, functional, and contextual dynamics to address both immediate and future architectural challenges. Program mixing with relational functions is conceptualized as a strategic approach that harmonizes diverse functions within a single design, fostering innovative and hybrid solutions. Adaptive reuse, reframed as a multi-time design response, focuses on revitalizing existing structures to meet evolving societal and environmental needs. These case studies illustrate how programming establishes a dynamic framework that enables architects to creatively reimagine constraints as opportunities. By emphasizing the principles of design analysis—realization, organization, and integration—this research contributes to the discourse on programming as a catalyst for architectural innovation and transformation. It proposes a shift in practice that highlights programming as a generative and responsive framework, inspiring a rethinking of architectural methodologies in the face of contemporary challenges

    Health Aspect Study on T-36 House Typology Based on Paola Sassi�s Sustainable Concept and Government Standards

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    Study of T-36 houses (T-36) are increasingly emerging to improving the quality of life of its occupants, especially in terms of nurturing health condition. However, the spatial typology of T-36 houses is often faced with the challenge of utilizing limited spaces that meet basic requirements of physical comfort and health in housing standard. This study aims to analyze the health aspects of T-36 houses based on sustainable building criteria by Paola Sassi and governmental standards. The health aspect comprises three factors of natural lighting, occupant comfort, and harmony with nature. The study uses descriptive qualitative method by analyzing design variation of T-36 houses that are available in the housing market. This analysis of 10 designs of T-36 houses indicated varying compliance with the three factors identified in the study; some houses met the criteria, while others did not

    Harapan Baru, Presiden Baru

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    Kemenangan memiliki seribu ayah, sementara kekalahan, tragisnya diibaratkan sebagai yatim piatu, sepertinya menemui legalitas. Meskipun MK baru memutus perkara gugatan pasangan Prabowo-Hatta tanggal 22 Agustus 2014, satu per satu anggota Koalisi Merah Putih mulai berangsur mencari selamat sendiri-sendiri. Selisih 8 juta suara lebih, seolah meniscayakan Jokowi-JK bakal melanjutkan estafet kepemimpinan nasional pasca SBY yang telah dua kali memerintah. Dari sembilan agenda prioritas (nawa cita) yang merupakan hasil perasan 31 agenda strategis tiga bidang (politik 12 agenda, ekonomi 16 agenda dan kepribadian-budaya 3 agenda), tampak jelas bahwa Jokowi-JK sebagai Presiden Terpilih memiliki tugas yang amat berat dalam kurun waktu lima tahun kedepan

    Kepercayaan dan risiko dalam pemanfaatan teknologi informasi perpajakan

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    Tujuan Penelitian ini mengevaluasi pengaruh risiko dan kepercayaan terhadap sikap dan niat wajib pajak dalam menggunakan teknologi informasi perpajakan. Mengingat transformasi digital dalam sistem perpajakan terus berkembang, pemahaman mengenai faktor psikologis yang memengaruhi adopsi teknologi menjadi krusial bagi otoritas pajak. Metode Studi ini menggunakan pendekatan kuantitatif dengan metode survei terhadap 202 wajib pajak individu. Analisis data dilakukan menggunakan metode Structural Equation Modeling-Partial Least Squares (SEM-PLS) untuk menguji hubungan antarvariabel dalam model penelitian. Temuan - Hasil penelitian menunjukkan bahwa kepercayaan dan risiko secara signifikan memengaruhi sikap wajib pajak, tetapi tidak memiliki pengaruh langsung terhadap niat penggunaan teknologi informasi perpajakan. Kepercayaan menjadi faktor paling dominan dalam membentuk sikap positif, sementara risiko teknologi lebih berperan dalam menentukan sikap negatif. Sikap terbukti memediasi pengaruh kepercayaan dan risiko terhadap niat penggunaan teknologi perpajakan. Implikasi - Penelitian ini memberikan panduan strategis bagi otoritas pajak untuk mengelola risiko teknologi dan meningkatkan kepercayaan, mendukung transformasi digital sektor pajak. Kebaharuan - Studi ini menyoroti pentingnya sikap sebagai mediator utama dalam hubungan antara kepercayaan, risiko, dan niat penggunaan teknologi informasi perpajakan, yang belum banyak dibahas dalam penelitian sebelumnya

    From sign to design: The role of domain transfer in redefining architecture locality

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    This research examines the design process using conceptual frameworks based on domain transfer to suggest a new model for architecture based on local contexts. Plowrights conceptual framework is a way of developing new ideas, in which architecture may or may not be subverted with concepts that are significant; meanings may also be redefined with ‘big ideas’ (concepts), analogy, metaphor or significant questions from inside and outside the realms of architecture. This research utilizes case study method through design and reflects on the design process within the context of the West Java Cultural Center design competition. This analysis deconstructed and explained the design process using the conceptual framework, identifying unique representations of crosscultural and West Java culture as the basis for an architectural program. The case was used to understand the transformational architectural syntax occurring from local signs and symbols as evidence of innovation. The results of the case study fell within three areas: concepts as a way to achieve a place of innovation (hypothesis), transferring ideas based on locality into elements and syntax (transfer), and bringing them all together into a coherent design (coherence). Domain transfer was redefined in this case study as the translation of symbolic values and cultural attributes from non-architecture into architectural form and elements in pursuit of contextual design innovation

    The Portrayal of Yoo Ah-rin as Mother-like Figure in Webtoon Cewekku Galak

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    What happens when a character exemplifies the essence of nurturing, protection, and unconditional love? In the webtoon Cewekku Galak, Yoo Ah-rin emerges as a mother-like figure whose defining traits such as nurturing, protecting, and unconditionally loving profoundly shape the lives of people around her. This study will be using Carl Jung�s mother archetype theory, John Bowlby�s attachment theory, and Melanie Klein�s object relations theory to explore how these qualities foster emotional security, stability, safety, trust, and a sense of acceptance in other characters. At the same time, it reveals the unintended consequences of her care, such as emotional dependency and obsession. By analyzing the dual impact of her role, this research highlights the complexity of maternal figures in fiction and the enduring significance of unconditional love in storytelling

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