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The Effect of Overconfidence Bias on Investment Decision: Sharia Stock Considerations Sudirman, Wahyu Febri Ramadhan; Nurnasrina, Nurnasrina; Syaipudin, Muhammad; Priyatno, Arif Mudi
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 7 No. 2 (2024): April
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v7i2.26091

Abstract

Investment decisions are a complex process involving risk evaluation, market analysis, and investment return projections. In the decision-making process, investors sometimes show irrational behavior because they have cognitive limitations and previous investment experience so investors are exposed to overconfident behavior. This research used 178 samples consisting of investors who had investment experience of at least 1 year. The research carried out instrument testing and used the common method bias (CMB) testing procedure. The analytical method in the research uses simple linear regression. The results of testing the research hypothesis obtained positive and significant results of overconfidence bias towards irrational investment decisions The moderating role of sharia sharia considerations on the relationship between overconfidence bias and unsupported investment decisions. This research reveals that overconfidence can have a positive influence on irrational investment decision-making. Investors who tend to have excess confidence in their knowledge and skills in analyzing the market tend to make investment decisions that are more impulsive, less rational and sometimes ignore risks significantly. Future research is recommended to further investigate the mechanisms behind the relationship between overconfidence and irrational investment decision-making, as well as involving a wider sample to obtain stronger generalizations.
Pelatihan Data Science menggunakan Bahasa Pemrograman Python di PT Ilmu Data Indonesia Priyatno, Arif Mudi; Firmanda, Fahmi Iqbal; Farhas, Rizqon Jamil; Amalia, Fazilla; Sudirman, Wahyu Febri Ramadhan
Dedikasi: Jurnal Pengabdian Pendidikan dan Teknologi Masyarakat Vol. 1 No. 1 (2023): Dedikasi 2023
Publisher : Institut Teknologi Pendidikan Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/dedikasi.v1i1.12

Abstract

Pelatihan Data Science menggunakan Bahasa Pemrograman Python di PT Ilmu Data Indonesia adalah sebuah kegiatan pengabdian masyarakat yang bertujuan untuk meningkatkan pemahaman dan keterampilan peserta dalam bidang Data Science menggunakan bahasa pemrograman Python. Masalah yang dihadapi adalah minimnya pengetahuan dan keterampilan peserta dalam mengolah dan menganalisis data secara efektif. Solusi yang diterapkan adalah menyelenggarakan pelatihan intensif yang mencakup konsep dasar dan aplikasi praktis Data Science menggunakan Python. Metode yang digunakan meliputi sesi ceramah, studi kasus, dan praktik langsung dalam penggunaan Python untuk mengolah data, menerapkan algoritma analisis, dan memvisualisasikan hasilnya. Pelatihan ini melibatkan instruktur yang berpengalaman dan praktisi Data Science yang dapat memberikan panduan dan konsultasi kepada peserta. Hasilnya menunjukkan peningkatan signifikan dalam pemahaman peserta terhadap konsep Data Science dan kemampuan mereka dalam mengaplikasikan Python dalam mengolah dan menganalisis data. Kesimpulannya, pelatihan ini memberikan manfaat yang besar bagi peserta dalam mengembangkan keterampilan Data Science menggunakan Python, serta memberikan pemahaman yang lebih baik tentang pentingnya analisis data dalam pengambilan keputusan bisnis. Pelatihan ini juga memberikan peluang bagi peserta untuk mengembangkan karir mereka dalam bidang Data Science yang sedang berkembang pesat.
Pendampingan Pembuatan Website Desa Gunung Malelo untuk Mempermudah Penyebaran Informasi Desa Priyatno, Arif Mudi; Firmananda, Fahmi Iqbal; Ramadhan, Wahyu Febri; Winario, Mohd; Jati, Putri Zulia; Tanjung, Lailatul Syifa
Dedikasi: Jurnal Pengabdian Pendidikan dan Teknologi Masyarakat Vol. 1 No. 2 (2023): Dedikasi 2023
Publisher : Institut Teknologi Pendidikan Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/dedikasi.v1i2.20

Abstract

Penyebaran informasi yang efektif merupakan aspek penting dalam pembangunan desa yang inklusif dan berkelanjutan. Dalam konteks tersebut, kegiatan pengabdian masyarakat ini dilakukan dengan tujuan untuk mempermudah penyebaran informasi desa melalui pendampingan pembuatan website Desa Gunung Malelo. Desa Gunung Malelo memiliki potensi pariwisata, perkebunan, dan pertanian, namun masih menghadapi tantangan dalam penyebaran informasi kepada masyarakat setempat. Melalui metode pendampingan yang terstruktur, kegiatan ini melibatkan analisis kebutuhan, pembentukan tim pendamping, pelatihan, pembangunan website desa, pelatihan pengelolaan konten, dan pendampingan teknis. Tim pendamping terdiri dari ahli teknologi informasi, pengembang web, dan fasilitator komunitas. Hasil dari kegiatan ini adalah terwujudnya sebuah website desa yang fungsional dan responsif. Masyarakat Desa Gunung Malelo dapat dengan mudah mengakses informasi penting seperti pengumuman pemerintah desa, kegiatan sosial, informasi kesehatan, jadwal pertemuan, dan layanan publik melalui website tersebut. Pendampingan dan pelatihan yang dilakukan membantu meningkatkan kapasitas sumber daya manusia di desa dalam mengelola dan memperbaharui konten website secara mandiri. Kegiatan ini berhasil mencapai tujuan utama, yaitu mempermudah penyebaran informasi desa. Desa Gunung Malelo mengalami peningkatan aksesibilitas informasi, partisipasi masyarakat, dan pengelolaan konten website yang berkelanjutan. Melalui pengabdian masyarakat ini, terjadi perubahan positif dalam dinamika komunikasi dan pengembangan desa, menuju arah yang lebih maju, terhubung, dan inklusif.
Education on Sharia Financial Contracts for PDAM Tirta Kampar Employees: Edukasi Akad-Akad Keuangan Syariah pada Karyawan PDAM Tirta Kampar Winario, Mohd; Assyifa, Zubaidah; Sudirman, Wahyu Febri Ramadhan; Zakir, Muhammad; Khairi, Rifqil; Lismawati, Lismawati; Despira, Despira
Journal of Digital Community Services Vol. 1 No. 1 (2024): January
Publisher : Institute Of Advanced Knowledge and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.69693/dcs.v1i1.1

Abstract

Tujuan dari pengabdian ini adalah untuk mengedukakasi akad-akad keuangan syariah pada Karyawan PDAM Tirta Kampar. Metode yang digunakan dalam kegiatan pengabdian kepada masyarakat (PkM) ini adalah dengan cara memberikan edukasi berupa penyuluhan, diskusi dan pemahaman kepada Karyawan PDAM Tirta Kampar. Program pengabdian kepada masyarakat Karyawan PDAM Tirta Kampar ini dapat diselenggarakan dengan baik dan berjalan dengan lancar sesuai dengan rencana kegiatan yang telah disusun, hasil dari pengabdian ini disimpulakan bahwa: Pertama, Karyawan PDAM Tirta Kampar pemahaman tentang transaksi keuangan syariah beragam, ada yang sudah faham, ada yang masih ragu-ragu, bahkan ada yang belum faham, Kedua, Ketercapaian tujuan program kegiatan pengabdian kepada masyarakat Karyawan PDAM Tirta Kampar keseluruhan program yang telah dilakukan dengan kolaborasi antara pemilik usaha dan pengabdi telah dilakukan semua dan sesuai dengan roundown acara maupun waktu yang telah ditentukan sebelumnya.
Pendampingan Pengembangan Website Official PT Mond Nature Lestari untuk Penyebaran Informasi Produk Priyatno, Arif Mudi; Sudirman, Wahyu Febri Ramadhan; Lasepa, Wanda; Afrinis, Nur; Rizqi, Eka Roshifita; Tanjung, Lailatul Syifa; Rusnedy, Hidayati
Journal of Digital Community Services Vol. 1 No. 1 (2024): January
Publisher : Institute Of Advanced Knowledge and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.69693/dcs.v1i1.2

Abstract

The efficient distribution of product information plays a crucial role in the growth of inclusive and sustainable micro-enterprises. Within this framework, the community service activity is undertaken to enhance the accessibility of product information from PT Mond Nature Lestari. This is achieved by supporting the development of PT Mond Natural LESTARI's official website. PT Mond Nature Lestari is a small business established on August 18, 2020, with the NIB (Manduk Enterprise Number) 0220307891283. This endeavor centers on the manufacturing of teas, namely teas and flour, derived from natural and premium-grade components. This community service is implemented using a systematic support approach, encompassing requirements assessment, establishment of support teams, training, website building, content management training, and technical assistance. The escort team comprises IT specialists, web developers, and facilitators. The outcome of this community service endeavor is the development of an operational and adaptable official website for Mond Nature Lestari. The website provides convenient access to crucial information, including the items offered by PT Mond Nature Lestari. The support and training provided significantly enhanced the human resource capability at Mond Nature Lestari in autonomously managing and updating website material. The primary goal of enhancing the accessibility of Mond Nature Lestari's information products has been effectively accomplished through this community service. This community service activity has resulted in a favorable transformation in the way communication and micro-enterprise growth occur, moving towards a more sophisticated, interconnected, and inclusive approach.
Memberdayakan Low-Carbon Behavior melalui Sustainable Leadership dan Green Intellectual Capital di Indonesia Halim, M.; Siswanti, Yuni; Amrina, Dania Hellin; Nisa, Risya Khaerun; Martini, Aldini Nofta; Sudirman, Wahyu Febri Ramadhan; Siahaan, Nur Halimah
RIGGS: Journal of Artificial Intelligence and Digital Business Vol. 4 No. 4 (2026): November - January
Publisher : Prodi Bisnis Digital Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/riggs.v4i4.3313

Abstract

Pemerintah di seluruh dunia menghadapi tekanan yang semakin besar untuk menurunkan emisi karbon dan menyelaraskan diri dengan komitmen iklim global. Dalam konteks Indonesia, aparatur sipil negara (ASN) memegang peran strategis dalam mengimplementasikan kebijakan yang mendukung pembangunan rendah karbon di berbagai lembaga publik. Meskipun sustainable leadership (SL) diakui penting dalam mendorong perilaku pro-lingkungan, mekanisme spesifik yang menghubungkan kepemimpinan dengan low-carbon behavior (LCB) karyawan masih kurang mendapat perhatian empiris. Studi ini bertujuan mengisi kesenjangan tersebut dengan menguji peran mediasi green intellectual capital (GIC) dalam hubungan antara SL dan LCB. Penelitian ini menggunakan desain survei kuantitatif terhadap 348 ASN dari kementerian, pemerintah daerah, dan lembaga publik di Indonesia. Data dianalisis menggunakan partial least squares structural equation modeling (PLS-SEM) melalui SmartPLS 4, disertai serangkaian uji ketahanan untuk mengatasi common method bias, bias non-respons, serta memeriksa potensi endogenitas guna memastikan validitas temuan. Hasil penelitian menunjukkan bahwa SL tidak berpengaruh langsung terhadap LCB, tetapi hubungannya sepenuhnya dimediasi oleh GIC. Temuan ini mengindikasikan bahwa kepemimpinan berkelanjutan mendorong perilaku pengurangan karbon terutama melalui pembentukan pengetahuan, kemampuan, nilai, dan sistem organisasi yang berorientasi pada keberlanjutan. Dengan demikian, studi ini memperluas perspektif berbasis sumber daya (resource-based view) dengan memberikan bukti bahwa SL dapat memperkuat aset intelektual hijau organisasi yang pada akhirnya mendorong perilaku karyawan menuju praktik rendah karbon. Secara praktis, penelitian ini menegaskan pentingnya investasi berkelanjutan dalam pengembangan kepemimpinan hijau, program pelatihan, serta manajemen pengetahuan lingkungan sebagai strategi kebijakan untuk mempercepat pencapaian target nol bersih Indonesia.
Sosialisasi Transaksi Ekonomi Yang Sesuai Dengan Prinsip Ekonomi Syariah Pada Siswa SMKN 1 Tapung Khairi, Rifqil; Winario, Mohd; Zakir, Muhammad; Sudirman, Wahyu Febri Ramadhan; Fitriyana, Rinda; Amalia, Nala; Irmawanti, Irmawanti
Journal of Community Sustainability Vol. 2 No. 4 (2025): Desember 2025
Publisher : EL-EMIR INSTITUTE

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63477/jocs.v2i4.366

Abstract

This community service activity was carried out for the students of SMKN 1 Tapung Kampar, Riau Province. The purpose of this program is to provide knowledge and enhance understanding of the concept of Islamic Economics among the community, especially Generation Z, represented by the students of SMKN 1 Tapung Kampar. The methods used in this community service activity included counseling and presentations, discussions, as well as practice sessions (pre-test and post-test) for the participants. The results of this program show that the community service activities were successfully implemented and ran smoothly according to the planned schedule. The findings indicate that: First, most students of SMKN 1 Tapung Kampar do not yet have a good understanding of the concept of Islamic economics. Second, the objectives of the community service program were achieved, as all activities were conducted through collaboration between the school and the facilitators, and were carried out according to the event rundown and the predetermined schedule.
The Influence of Social Media Engagement on Generation Z's Purchase Intention: The Mediating Role of Brand Trust Aviandita , Reyngga Yusvika; Sudirman, Wahyu Febri Ramadhan; Nadhirah, Ayu
General Multidisciplinary Research Journal Vol. 3 No. 1 (2026)
Publisher : Global Sustainability Research Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63453/general.v3i1.58

Abstract

Introduction: The development of social media has transformed marketing strategies, positioning social media engagement as the primary means of building relationships between brands and consumers. However, consumer engagement on social media does not always lead to purchase intention, necessitating an understanding of the role of brand trust as a bridging mechanism for this relationship. This study aims to analyze the influence of social media engagement on brand trust and purchase intention, and to examine the mediating role of brand trust. Methods: This study used a quantitative explanatory approach with a sample of 116 respondents selected through purposive sampling. Data analysis was conducted using SEM-PLS. Instrument testing included convergent and discriminant validity, as well as reliability using Cronbach's Alpha and Composite Reliability. Mediation analysis refers to the Baron and Kenny approach. Results: The results show that social media engagement has a positive and significant effect on brand trust, and brand trust has a positive and significant effect on purchase intention. Mediation testing indicates that brand trust mediates the relationship between social media engagement and purchase intention in certain pathways, although not all mediation pathways are significant. Conclusion and Suggestion: This study concludes that the effectiveness of social media engagement in driving purchase intention is highly dependent on its ability to build brand trust. Future research is recommended to expand the sample, use a longitudinal design, and add other variables to enhance the model's explanatory power.
The Role of Good Corporate Governance in Improving Company Financial Performance Sudirman, Wahyu Febri Ramadhan; Syaipudin, Muhamamd
General Multidisciplinary Research Journal Vol. 3 No. 1 (2026)
Publisher : Global Sustainability Research Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63453/general.v3i1.62

Abstract

Introduction: Good Corporate Governance (GCG) is considered a key factor in enhancing firm value and ensuring sustainable business performance, particularly for companies included in the LQ45 index. Effective governance mechanisms are expected to strengthen market confidence and improve financial outcomes. This study aims to examine the impact of GCG mechanisms on firm value proxied by Tobin’s Q. Methods: This research employs a quantitative approach with a causal design. The sample consists of 30 LQ45 companies listed on the Indonesia Stock Exchange during 2015–2019, resulting in 150 firm-year observations. The independent variables include Woman on Board (WD), Committee Audit (CA), Board of Directors size (BoD), Board of Commissioners size (BoC), and Board Diversity (BD), with Company Size (SZ) and Leverage (LV) as control variables. Secondary data were obtained from annual reports and analyzed using panel data regression at a 5% significance level. Results: The findings indicate that Woman on Board (WD) has a positive and significant effect on Tobin’s Q, suggesting that female representation enhances firm value. Committee Audit (CA) and Board Diversity (BD) show significant negative effects. Board Size (BoD) and Commissioner Size (BoC) do not significantly influence firm value. Company Size (SZ) has a positive and significant effect, while Leverage (LV) is not significant. Conclusion and Suggestion: The results imply that governance effectiveness depends on quality rather than structure alone. Firms should strengthen substantive governance practices. Future studies may include additional governance indicators and extended observation periods.
Financing Risk Management in Islamic Banks Cahyani, Binda Rahma; Wahyu Febri Ramadhan Sudirman
General Multidisciplinary Research Journal Vol. 3 No. 1 (2026)
Publisher : Global Sustainability Research Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63453/general.v3i1.65

Abstract

Introduction:Financing risk management is a fundamental component of Islamic banking operations because it is directly linked to the potential emergence of non-performing financing (NPF), which may threaten financial stability and long-term performance. Islamic banks operate under Sharia principles that prohibit interest (riba) and emphasize profit-and-loss sharing contracts such as mudharabah and musyarakah. These unique characteristics create a distinct and relatively more complex risk profile compared to conventional banks. Financing risk arises not only from customers’ inability to fulfill contractual obligations but also from information asymmetry, moral hazard, weak monitoring systems, and fluctuating macroeconomic conditions. Methods:This study applies a qualitative approach using a systematic literature review. Relevant national and international journal articles published within the last ten years were collected and analyzed to examine financing risk management practices, determinants of financing risk, and their implications for Islamic banking stability. Results:The findings show that comprehensive risk management covering risk identification, measurement, monitoring, and control significantly reduces NPF levels and strengthens Islamic banks’ resilience during economic uncertainty. Internal factors such as corporate governance quality, effective internal control systems, and managerial competence substantially influence financing risk levels. External factors, including macroeconomic stability, regulatory policies, and overall financial system conditions, also contribute to financing risk dynamics. Conclusion and Suggestion: Strengthening financing risk management is essential to ensure sustainability, credibility, and long-term growth. Islamic banks should enhance governance practices, improve monitoring mechanisms, and continuously adapt risk mitigation strategies to evolving economic and regulatory environments.
Co-Authors Adams, Ravi Afrinis, Nur Alfiatun Zahara Amalia, Fazilla Amalia, Nala AMELIA, NUR Amrina, Dania Hellin Andhini, Bunga Andi Irfan, Andi Andini, Bunga Anggun Pratiwi Anggun Pratiwi Arif Mudi Priyatno Arif, Muhamamd Aryadi Aryadi Aryadi Aryadi Aviandita , Reyngga Yusvika Berliana Putri Bunga Andhini Cahyani, Binda Rahma Cholidhazia, Putri Despira, Despira Diany Mairiza Eti, Eti Faridatus Suhadak Firmananda, Fahmi Iqbal Firmanda, Fahmi Iqbal Fitriyana, Rinda Hastuty, Milda Hayu Ardina Hermawanti, Sela Hermawati, Sela Hidayat Hidayat Hidayat Hidayat Irmawanti, Irmawanti Irvan, Puji Ananda Izzah, Aqidatul Jati, Putri Zulia Lasepa, Wanda Lismawati, Lismawati M. Halim, M. M. Zaim Maini, Nur Mardiyah, Suci Maretha Ika Prajawati Martini, Aldini Nofta Maziyah, Putri Maslahatul Mifta Hasda Mohd. Winario Muhammad Arif Muhammad Ikhsan Alif Muhammad Syaipudin Muhammad Zakir Muhammad Zakir Nadhirah, Ayu Nala Amelia Nisyah, Habibah Tun Noranisa, Noranisa Nur Afrinis Nuraziza, Sania Nurnasrina Nurnasrina PAISAL PAISAL Raden Mohamad Herdian Bhakti Raja Joko Musridho Ramadhan, Al Insani Mutiara Ravi Adams Riani Riani, Riani Rifqil Khairi Rinancy, Hariyet Rinda Fithriyana Riski, Muhamamd Risya Khaerun Nisa Risya Khaerun Nisa Rizki, Syafnur Muhammad Rizky, Syafnur Muhammad Rizqi, Eka Roshifita Rizqon Jamil Farhas Rusnedy, Hidayati Saadah , Nila Sagena, Basir Sari, Efti Novita Sari, Nana Saru Reza Sasmitandia, Kienna Candra Siahaan, Nur Halimah Suci Mardiya Suci Mardiyah Suniarti, Nining Supardi Supardi Syafiq, M Rizan Syaipudin, Muhamamd Tanjung, Lailatul Syifa Yohanisti, Yohanisti Yuni Siswanti Yusup Yusup Zahara, Alfiatun Zahrah, Alfiatun Zubaidah Assyifa