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Analisis Statistik Pengaruh Inflasi terhadap Produk Domestik Regional Bruto (PDRB) dengan Pendekatan Regresi Linier: Studi Kasus: Kota Pekanbaru Rusdi, Ahmad; Nabila, Aditia Ayu Rahma; Apriansyah, Firman; Amalia, Fransisca; Sakti, Angga Yuda; Kanny, Yuli Khaerati
Factory Jurnal Industri, Manajemen dan Rekayasa Sistem Industri Vol. 4 No. 3 (2026): Edisi April
Publisher : Ilmu Bersama Center

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56211/factory.v4i3.1100

Abstract

Penelitian ini dilatarbelakangi oleh pentingnya peran indikator makroekonomi, khususnya inflasi dan Produk Domestik Regional Bruto (PDRB), dalam menilai stabilitas dan pertumbuhan ekonomi suatu daerah. Kota Pekanbaru, sebagai pusat ekonomi strategis di Provinsi Riau, mengalami dinamika inflasi dan PDRB yang menarik untuk dikaji selama periode 2019–2023, terutama dalam konteks pasca-pandemi COVID-19. Tujuan dari penelitian ini adalah untuk menganalisis pengaruh inflasi terhadap pertumbuhan ekonomi daerah yang diukur melalui PDRB. Penelitian ini menggunakan pendekatan kuantitatif deskriptif dengan data sekunder dari Badan Pusat Statistik Kota Pekanbaru. Metode analisis yang digunakan adalah regresi linier sederhana untuk mengetahui pengaruh inflasi (variabel independen) terhadap PDRB (variabel dependen). Hasil analisis menunjukkan bahwa inflasi tidak berpengaruh signifikan terhadap PDRB Kota Pekanbaru, dengan hasil uji t menunjukkan bahwa inflasi tidak berpengaruh signifikan secara parsial terhadap PDRB dengan nilai signifikansi 0,578 (> 0,05). Dengan demikian, dapat disimpulkan bahwa dalam periode lima tahun terakhir, inflasi bukan merupakan faktor dominan yang memengaruhi pertumbuhan ekonomi Kota Pekanbaru.
EFFECTS OF NATURAL AND URBAN SOUNDSCAPES ON AFFECTIVE STATES AND CONCENTRATION IN EDUCATIONAL SETTINGS Rusdi, Ahmad; Nurtjahjo, Fani Eka; Sari, Mutiara; Musliha, Elmira Syamsa; Nadhira, Hasya; Maharani, Rahmanisa; Maarisca, Gladys; Azzah, Aisyah Raihana
Journal of Environmental Science and Sustainable Development Vol. 9, No. 1
Publisher : UI Scholars Hub

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

Abstract

Although environmental noise has been extensively studied, limited research has compared the differential effects of natural and urban soundscapes on psychological outcomes. This pilot study examined the impact of urban and natural soundscapes on students’ concentration and affective responses. A pre–post experimental design with two groups was implemented, involving 12 undergraduate participants (aged 18–24 years) with equal gender representation. Concentration was measured using the polyshape board, which was preliminary validated in this study, while affective states (pleasantness and arousal) were assessed using the Affect Grid Scale (AGS) before and after exposure. Given the limited sample size and the ordinal data, the Wilcoxon Signed-Rank test was applied. The analysis revealed a significant difference in concentration between the two conditions (p=0.037), with higher and more stable scores observed under natural sound exposure (M=32.9; Md=35.5) compared to urban sound conditions (M=31.1; Md=34.5). Manipulation checks indicated no significant difference in pleasantness (p=0.224), while arousal differed significanly between conditions (p=0.045), with higher arousal reported in the urban sound conditions. These findings suggest that natural sounds may be associated with improved concentration and reduced arousal in controlled educational and laboratory settings. However, given the small sample size and short exposure duration, the findings should be considered preliminary and require further investigation with higher and more diverse samples.
Co-Authors ' Rumiani A'izzatun Namiroh Abdul Alimul Karim Afsari, Nyda Alamsyah, Fairuzatul Hakimah Aliyya Welbi Noveli Alya, Rahma Amalia, Fransisca Amanina Zulfati Fakhira Amirza, Audi Vidya Putri Angelika, Adelia Putri Anggraini, Helda Annisa Anin Sari Annisa T R Annisa Apriansyah, Firman Apui, Intania Bungan Aqsa Vaca Ardhito Faza Akhnaf Ardiyantara, Novan Arina Salsabila Aryan Muhaimin Saputra Asyfia Sumadi Aziza Zulfa Hardiana Azzah, Aisyah Raihana Bahiroh, Syahida Bilqis Brosky, Deco Catherine Tri Septiyuanza Chidmahdjati, Aria Bagiasa Damri, Rafi Dandy Maulana Akbar Dewi, Chintya Ayu Dinda Aidila Faustina Sari Dwi Rahadianto, Irfan Elma Nurunnisaa Endah Puspita Sari Fahmi Eko Nur Iman Fairuzatul Hakimah Alamsyah Fani Eka Nurtjahjo Farida Nur Ummi Farra Anisa Rahmania Fitri Wulandari Fitriana, Raras Indah Ghea Niasgita F Uzra' Gultom, Velano Esbi Parsaoran H, Halwa Zahra Ain Handicap, Handicap Hanum Azizah Destyaputri Hendra Saputra Immawati Hanifah Indah Dewanti Rahmalia Jasmine Nabila Indra Putri Kanny, Yuli Khaerati Keny Pek Khasan Mangkualam Lavenda Azalia Leli Nailul Muna Leonita Ikasari Saputri D Luthfi Aditya Yudistira Maarisca, Gladys Maharani, Rahmanisa Mario Mario Maudista Widi Anggraeni Muflihah Azahra Iska Hasibuan Muhamad Afham Muhammad Ainul Bazigh Muthma’in Muhammad Wibisono Musliha, Elmira Syamsa Mutiara Sari Nabila, Aditia Ayu Rahma Nada Labibah Nadhira, Hasya Natasya Putri Namira Novia Anindhita Novita Putri Hidayat Nuraini, Anis Syifa Nyda Afsari Oksanda, Erisa Oksita Nurma Gupita Olivia Dwi Kumala Pandia, Ahmad Hidayat Peduk, Azhari Puteri, Resha Karina Putri Nabila Bilicha Putri Nilam Bachry Putri Nilam Bachry Putri Tri Hutami Rahmalia, Indah Dewanti Rahmania, Farra Anisa Ramadhani, Khoryan Ratna Azkia Rakhmandari Rena Latifa Resdiyanti Permata Putri Rizka Iznania Az-Zahra Rr. Indahria Sulistyarini Sabrina Adani Widiatmoko Sakinah Sakinah Sakinah Sakinah Sakti, Angga Yuda Saputro, Tri Aprilianto Sari, Ira Mayang Setiawan, Irza Sianipar, Shyntia Fifa Caroline Syafira Ruhil Addien Fattah Syarifah Na’imi Anisa Syifa Triswidiastuty Trusty Tri Oktoviani Ulfa Irza Labiba Zubaidah Urahmah, Nida Utami Salsabila Uzra', Ghea Niasgita F Vina Defira Firman Wicaksono, Khanief Aryanto Zelika Putri Zuleriwati A.S