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The Influence of Behavioral Bias on Investment Decision with Risk Perception as a Mediating Variable: A Study on Generation Z at the Indonesia Stock Exchange Willie Kurnijanto, Aldo; Joni, Joni; Videlia Sumbodo, Karen; Inggrit Wijaya, Liliana; Silvia Sutejo, Bertha
Dinasti International Journal of Economics, Finance & Accounting Vol. 5 No. 6 (2025): Dinasti International Journal of Economics, Finance & Accounting (January - Feb
Publisher : Dinasti Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.38035/dijefa.v5i6.3643

Abstract

This study uses structural equation modeling to examine the direct and indirect relationships between behavioral biases and investment decisions with the mediating role of risk perception. This study was conducted among Generation Z individual investors who have been investing on the Indonesia Stock Exchange for several months to years. The behavioral biases examined include overconfidence bias, herding bias, and loss aversion bias, with data from 300 respondents collected through purposive sampling. The results show that risk perception mediates the relationship between overconfidence bias, herding bias, and loss aversion bias with investment decisions. Herding bias and loss aversion bias were found to have a direct relationship with risk perception. In addition, it was also found that herding bias, loss aversion bias, and risk perception have a direct relationship with investment decisions. This research is essential for investors to make more rational investment decisions and improve investment performance by recognizing the risks associated with behavioral biases. The increasing number of retail investors and Generation Z on the Indonesia Stock Exchange demands sound investment decisions. Behavioral biases often trigger irrational decisions and errors in portfolio management, while risk perception can strengthen or weaken the impact of behavioral biases on investment decisions. This study contributes theoretically to investment and behavioral finance, particularly regarding the mediating effect of risk perception.
Transformasi Hukum Perkawinan di Indonesia, Malaysia, dan Brunei Darussalam: Kajian Kritis atas Batas Usia Perkawinan dalam Perspektif Maqashid Syariah Joni, Joni
Berasan: Journal of Islamic Civil Law Vol. 3 No. 2 (2024): Desember 2024
Publisher : Institut Agama Islam Negeri (IAIN) Curup

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29240/berasan.v3i2.8155

Abstract

This research aims to analyze the marriage age limit policy in Indonesia, Malaysia, and Brunei Darussalam as well as review its implications in the perspective of maqashid sharia. The research method used is a qualitative approach with a comparative study of the regulation of marriage laws in the three countries, supported by juridical and conceptual analysis within the framework of maslahah mursalah. The results of the research show that the age limit for marriage in Indonesia has been reformed with the enactment of Law Number 16 of 2019 which equalizes the minimum age of marriage for men and women to 19 years. Meanwhile, Malaysia still maintains a minimum age limit of 16 years for women and 18 years for men, despite the possibility of dispensation by sharia judges. In Brunei Darussalam, the regulation of the age limit for marriage is more varied and depends on ethnic and religious background, with most regulations allowing marriage at a lower age than international standards. The conclusion of this research affirms that the transformation of marriage law in the three countries shows that there is an effort to harmonize the principles of Islamic law and the protection of individual rights, especially in safeguarding the well-being of women and children. In the perspective of sharia maqashid, setting the marriage age limit aims to protect religion (ḥifẓ al-dīn), soul (ḥifẓ al-nafs), intellect (ḥifẓ al-‘aql), offspring (ḥifẓ al-nasl), and property (ḥifẓ al-māl). Law reform in Indonesia is more in line with the principle of protection for individuals, while Malaysia and Brunei still provide flexibility while maintaining traditional elements.
IMPLEMENTASI ALGORITMA CONVOLUTIONAL NEURAL NETWORK (CNN) DENGAN OPTIMIZER ADAM DALAM DETEKSI EMOSIONALPADA WAJAH MANUSIA Amalia, Poppy; Wijaya, Robby; Chandra, Chandra; Octaviandy, Pieter; Wilson, Wilson; David, David; Andy, Andy; Herman, Herman; Edi, Edi; Aryanto, DidiK; Joni, Joni; Terang kita Perangin Angin, Johanes
JURNAL VOKASI TEKNIK Vol 3 No 1 (2025): JURNAL VOKASI TEKNIK (JUVOTEK)
Publisher : CV MEDAN TEKNO SOLUSI

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Deteksi emosional pada wajah manusia adalah bidang penting dalam pemrosesan citra dan pemahaman emosi. Penelitian ini mengembangkan aplikasi deteksi emosi menggunakan algoritma Haar Cascade Classifier untuk mendeteksi wajah dan Convolutional Neural Network (CNN) dengan optimizer Adam untuk menganalisis emosi. Aplikasi yang dikembangkan berhasil mendeteksi tujuh jenis emosi dasar (marah, jijik, takut, senang, netral, sedih, dan terkejut) secara real-time dengan akurasi keseluruhan sebesar 90%. Kombinasi CNN dan optimizer Adam menunjukkan performa yang baik dengan peningkatan akurasi dan penurunan loss yang konsisten seiring bertambahnya epoch, meskipun terdapat indikasi overfitting. Hasil penelitian menunjukkan bahwa sistem ini dapat diandalkan untuk mendeteksi berbagai ekspresi wajah dan memberikan solusi yang efektif dan akurat dalam deteksi emosional.
Pelatihan Healthy Mind, Body, dan Soul untuk Meningkatkan Kesehatan Mental Pada Sekolah SMA YLPI Pekanbaru Aiyuda, Nurul; Hartati, Rini; Nasution, Itto Nesyia; Sari, Ratna; Joni, Joni; Putri, Rara Eka
Journal Of Human And Education (JAHE) Vol. 5 No. 2 (2025): Journal of Human And Education (JAHE)
Publisher : Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jh.v5i2.2308

Abstract

Kesehatan mental, terutama pada remaja akhir-akhir ini menjadi fokus perhatian global yang semakin mendesak dalam dekade terakhir. Kesehatan mental merupakan suatu keadaan kesejahteraan di mana individu menyadari potensinya sendiri, memiliki kemampuan mengatasi tekanan hidup yang normal, bekerja secara produktif, dan mampu berkontribusi pada komunitasnya. Studi longitudinal terbaru menunjukkan bahwa sekitar 20% remaja global mengalami gangguan mental setiap tahunnya, dengan depresi, kecemasan, dan gangguan perilaku sebagai kondisi yang paling prevalen. Temuan ini menekankan urgensi untuk memahami dan menangani masalah kesehatan mental remaja secara komprehensif dan menjadi salah satu permasalahan yang mendasari terlaksananya pengabdian ini. Pengabdian ini dilaksanakan dalam metode ceramah sebagai pendekatan utama untuk menyampaikan materi pelatihan Healthy Mind, Body, and Soul kepada siswa/siswi SMA YLPI Pekanbaru karena mampu memberikan transfer pengetahuan yang sistematis dan efektif dalam waktu yang relatif singkat. Melalui pengabdian ini, ditemukan bahwa pelatihan Healthy Mind, Body, and Soul memiliki dampak positif yang signifikan terhadap kesejahteraan mental, fisik, dan spiritual siswa SMA YLPI Pekanbaru. Implikasi dari pelatihan ini diharapkan dapat menjadi pedoman serta pengetahuan baru bagi seluruh pihak sekolah dalam usaha meningkatkan kesadaran dan pehamaman mengenai kesehatan mental.
Peningkatan Kualitas Data dalam Konsolidasi Data Karyawan melalui Data Wrangling Joni, Joni; Prasandy, Teguh
JOINS (Journal of Information System) Vol. 9 No. 2 (2024): Edisi November 2024
Publisher : Fakultas Ilmu Komputer, Universitas Dian Nuswantoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33633/joins.v9i2.9423

Abstract

Data wrangling is a critical process in data preparation that can significantly improve data quality. Effective data wrangling techniques, which consists of 6 steps i.e. Discovery, Structuring, Cleaning, Enriching, Validating, Publishing, can help Corporate Human Resource Division to ensure that their data is of high quality and ready for analysis. In this case study, we explore how effective data wrangling techniques can be used to improve data quality in employee data consolidation. We found employee data downloaded from various sources, captured incomplete, unreliable, or incorrect so that it could affect data analysis. Data wrangling seeks to remove that risk by ensuring data is in a reliable state before it’s analyzed and leveraged. We analyze a dataset from multiple sources of employee data and demonstrate how data wrangling techniques can be used to clean and transform the data to improve data quality and ready for analysis. Our study provides empirical evidence of the impact of data wrangling on data quality and highlights the importance of this process in employee data consolidation and provide workforce analytics.
The Influence of ROE, EPS, and PER On Company's Share Price (Study on companies listed on JII70 in 2019- 2021) Joni, Joni; Wijaya, Trisna; Jabar, Yahya Abdul
Dinar : Jurnal Ekonomi dan Keuangan Islam Vol 10, No 1: Januari 2023
Publisher : Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/dinar.v10i1.20155

Abstract

Stock price is one indicator of successful management of the company. The factors which effects the movement of price of a stock are internal factors and also external factors. The internal factors are commonly can be known as fundamentals, these internal factors are related to financial reports such as ROE, EPS, and PER. This study was conducted on purpose to help determining whether there is found such a significant influence between ROE, EPS, and PER toward prices of share. The approach method applied in this research is quantitative approach. The results for ROE show a value of significance of 0.000 α = 0.05, which can be claimed that there I found such a significant influence of ROE and stock prices. EPS shows a value of significance of 0.000 α = 0.05, it can be seen that there is a significant effect of EPS and stock prices. PER shows a significance value of 0.429 α = 0.05, it can be known that there is no found any effect of PER and stock prices. According to the F test result, it can be known that ROE, EPS, and also PER simultaneously influence the stock prices.
SISTEM INFORMASI BERBASIS ANDROID SEBAGAI LAYANAN TATAKELOLA BUMDES PERTANIAN PADA PEKON GEDUNG JAMBU Fitrian, Yuri; Renaldo, Ronaldo; Joni, Joni
JMBI (Journal of Marketing and Business Intelligence) Vol. 1 No. 1 (2023): JMBI (Journal of Marketing and Business Intelligence)
Publisher : YHMM PUBLISHING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56327/jmbi.v1i1.24

Abstract

The technology that develops starts from computers, laptops, so smartphones that are in accordance with the development of science. Village Owned Enterprises (BUMDes) Agriculture is one of the government agencies managed by a group of village communities in an effort to strengthen the village economy and is formed based on the results and potential of the village. BUMDes Agriculture, Pekon Gedung Jambu has several business units developed, one of which is in the field of agriculture (Agricultural Products). Every handling process of marketing activities for agricultural BUMDes production is still done manually. Based on this, it is necessary to design an online-based Information System Application (Android) as a media facility to support the performance of BUMDes management. The Andorid-Based Village-Owned Business Entity Information System (BUMDes) can provide an overview of the functions of Android-based applications which will later make it easier for BUMDes to manage management data and deliver agricultural product information. The process stages of the system created using Data Flow Diagrams (DFD), waterfall system development methods, PHP and MySQL programming languages. This system was built to assist in presenting information about BUMDes based on Android, and assisting the community in obtaining information on BUMDes in Pekon Gedung Jambu, as well as making it easier for administrators to view or process the latest BUMDes data.
Sosialisasi Mencegah Judi Dan Pinjaman Online Di Masyarakat Pekon Yogyakarta Selatan martin, Afrizal martin; Widianto, Widianto; Mardiyanto, Mardiyanto; Joni, Joni; Andriyani, Novita
Jurnal Pengabdian Masyarakat Tapis Berseri (JPMTB) Vol. 4 No. 1 (2025): Jurnal Pengabdian Masyarakat Tapis Berseri (JPMTB) (Edisi April)
Publisher : Pusat Studi Teknologi Informasi Fakultas Ilmu Komputer Universitas Bandar Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36448/jpmtb.v4i1.127

Abstract

The socialization activity with the theme "Preventing Gambling and Online Loans in the Pekon Yogyakarta Selatan Community" aims to increase public awareness of the dangers of gambling and illegal online loans that are rampant. Gambling and illegal online loans not only have a detrimental economic impact, but also have the potential to cause serious social problems, such as family conflict, involvement in illegal activities, and psychological pressure on the perpetrators and their families. This activity was carried out through direct counseling involving community leaders, village officials, and participants from various community groups. The material presented included the dangers of gambling, characteristics of illegal online loans, and preventive measures that can be taken by the community. The results of the activity showed an increase in public understanding of the risks and negative impacts of both problems, as well as greater motivation to stay away from these detrimental activities. Participants were also given practical information on how to recognize illegal online loans and strategies for reporting gambling activities to the authorities. This activity is expected to create collective awareness in the Pekon Yogyakarta Selatan community to create a safer environment, free from gambling practices and illegal online loan traps.
Analisa Nilai Perusahaan Ditinjau dari Profitabilitas dan Struktur Modal dengan Ukuran Perusahaan sebagai Variabel Intervening (Studi Empiris pada Perusahaan Subsektor Properti dan Real Estate yang Terdaftar di Bursa Efek Indonesia Tahun 2015 – 2018) Joni, Joni; Hady, Hamdy; Elfiswandi, Elfiswandi
JUSIE (Jurnal Sosial dan Ilmu Ekonomi) Vol. 5 No. 01 (2020): JUSIE (Jurnal Sosial dan Ilmu Ekonomi)
Publisher : Jurusan PIPS FKIP UMMY Solok

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36665/jusie.v5i01.292

Abstract

This reaserch was aimed to analyze the firm value in terms of profitability, capital structure and firm size partially and simultaneously on property and real estate companies listed on the Indonesia Stock Exchange in 2015 - 2018. The independent variables used in this study are profitability and capital structure; firm size as an intervening variable. While the dependent variable in this study is firm value. Firm value was calculated by using the Tobin'Q ratio. The total population in this research was 54 companies and 30 companies were taken as the sample. This research used secondary data that has passed the Classical Assumption Test. Hypothesis testing was carried out using Multiple Linear Analysis, Model test (t-test and F-Test), Coefficient Determination, and Path Analysis. The result of the research shows that :(1) Profitability partially has no effect on firm size ;(2) Capital structure partially has no effect on firm size ; (3) Profitability and capital structure simultaneously have no effect on firm size ;(4) Profitability partially has no effect on firm value ; (5) Capital structure partially has significant effect on firm value ;(6) Firm size partially has a significant effect on firm value ; (7) Profitability, capital structure and firm size simultaneously have significant effect on firm value : (8) Profitability has direct influence on firm value ;(9) Capital structure has direct influence on firm value.
WORKSHOP PEMBUATAN TOTEBAG ECOPRINT SEBAGAI PRODUK EKONOMI KREATIF DI SMA WR SUPRATMAN 1 MEDAN Nainggolan, Elisabeth; Joni, Joni; Manik, Desma Erica Maryati
Jurnal Pemberdayaan Sosial dan Teknologi Masyarakat Vol 5, No 1 (2025): April 2025
Publisher : Smart Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54314/jpstm.v5i1.3029

Abstract

 Abstrak: Dosen lewat Tri Darma Perguruan Tinggi diharapkan berdampak bagi kehidupan masyarakat khususnya lewat dunia pendidikan. Sumber Daya Manusia adalah output pendidikan dengan salah satu input yang digunakan untuk menghasilkannya adalah tenaga pendidik baik itu guru maupun dosen. Kolaborasi antara perguruan tinggi dengan sekolah diperlukan agar output pendidikan yang dihasilkan nantinya Sumber Daya Manusia yang berkualitas dan memiliki daya saing saat menjalankan perannya sebagai pelaku ekonomi. Kegiatan Pengabdian Masyarakat ini merupakan kolaborasi antara dosen dengan guru SMA WR Supratman 1 Medan dalam pelaksanaan kegiatan Projek Penguatan Profil Pelajar Pancasilan dengan tema Kewirausahaan. PKM workshop pembuatan produk ekonomi kreatif totebag ecoprint pada siswa kelas X SMA WR Supratman 1 Medan ini bertujuan untuk memberikan pelatihan bagi siswa dalam membuat produk ekonomi kreatif yang bernilai jual, dimana dengan pelatihan ini diharapkan bertambahnya keterampilan siswa dalam menciptakan dan memasarkan suatu produk ekonomi kreatif yang dapat dijadikan bekal bagi siswa untuk menjadi wirausahawan yang yang akan berkontribusi pada pertumbuhan ekonomi yang berkelanjutan. Kata kunci: totebag ecoprint; ekonomi kreatif, pertumbuhan ekonomi, SDM
Co-Authors -, Hanny Ahmadi, Dedi Aiyuda, Nurul Ajub Ajulian ZM Alfatiri, Akrim Mualif Algifari, Muhammad Habib Amin Yusi Nur Sa’ida Andik Setiyono Andy Andy Arif Mudi Priyatno Asmarani, Zulfa Astuti - Awang Pradana, Awang Bambang Winardi Batistuta, Feren Farah Focket Brigita, Brigita Busroh, Firman Freaddy Chandra Chandra Dahruji, Dahruji Daniati, Helmi David David Debbianita Destiati, Dita Didi Suryadi Didik Aryanto Dina Fitria, Dina edi edi Efriana Jon, Efriana Elfiswandi, Elfiswandi Elfrida Ratnawati Endang Wahyuni Fadhlan, Muhammad Fauziah, Raihani Fira Juwita Firmansyah Firmansyah Gustaman, Rian Arie Hadi, Abd Hady, Hamdy Hasianna, Winda Riama Hestina, Rina Iis Aprinawati, Iis Indrawan, Wawan Inggrit Wijaya, Liliana Jabar, Yahya Abdul Jamilah, Fitrotin Jayawarsa, A.A. Ketut Judijanto, Loso Khotib, Ahmad Kisna Pertiwi, Kisna Lauw Tjun Tjun Lidya Agustina lina marlina, lina Listianingsih, Listianingsih Manik, Desma Erica Maryati Mardiyanto Mardiyanto Maria Natalia, Maria Martin, Afrizal martin, Afrizal martin Meilawati, Dewi Melia Eka Daryati Melvi Lesmana Alim Meythi, Meythi Mohammad Fauziddin Mufarizuddin Mulyasari, Rini Murmanto, Imanuel Revelino Musnar Indra Daulay Nainggolan, Elisabeth Nanda, Adi Prasetia Nasrulloh, Agus Ahmad Nasution, Itto Nesyia Nenggolan, Rusmiyati Novita Andriyani Nugraha, Aldi Nur Fitriyani Nurhasanah, Elis Nurmaliah, Ima Nurullah, Fajar Perdana Oktavian, Fajar Paridah Paridah Perangin Angin, Johanes Terang Kita Permata, Manja Dwi Pertiwi, Novalia Pieter Octaviandy, Pieter Poppy Amalia, Poppy Pranata, Ilham Priyono Priyono Puji Astuti Putri, Rara Eka Qowiyul Iman, Rifqi Rafa, Mukhamad Rahayu, Rika Raihani Fauziah, Raihani Fauziah Rapina . Ratna Sari Renaldo, Ronaldo Revelino, Imanuel Ridwan, Ridwan Rini Hartati Rizki Amalia Rizki Ananda Sabar Sabar Saputri, Eka Delfiani Sartina, Nur Setiawan Assegaf Silvia Sutejo, Bertha Siti Farida Sukmawati, Heni Sumianto Sumianto Susi Saidah, Susi Saidah Tan Kwang En Tatiana, Tatiana Teguh Prasandy, Teguh Terang kita Perangin Angin, Johanes Trisna Wijaya Ulfah Khofifah, Sari Ulva, Maria Untarti, Dade Prat Videlia Sumbodo, Karen Widianto Widianto Wijaya, Robby Willie Kurnijanto, Aldo Wilson Wilson Wiwik Handayani Wuddatul Hisniah, Dita Wuddatul Hisniah Yadi Janwari Yanti Mulyanti, Yanti Mulyanti Yenda Puspita Yenni Carolina Yenni Fitra Surya Yulastri, Yeyen Yuri Fitrian Zulhendri Zulhendri