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All Journal Indonesian Journal of Innovation Studies
Atikha Sidhi Cahyana
Program Studi Teknik Industri, Universitas Muhammadiyah Sidoarjo
Computer Science & IT Education Engineering Law, Crime, Criminology & Criminal Justice

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Sugar Quality Defect Identification Using Seven Tools and RCA: Identifikasi Cacat Kualitas Gula Menggunakan Tujuh Alat dan Analisis Penyebab Utama (RCA) Moch Rio Firmansyah; Atikha Sidhi Cahyana
Indonesian Journal of Innovation Studies Vol. 27 No. 1 (2026): January
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/ijins.v27i1.2067

Abstract

General Background: Quality control is essential in manufacturing industries to ensure product consistency and minimize defects. Specific Background: A sugar production company experienced significant product defects during the May–October production period, particularly in forms such as krikilan, refined sugar, and molasses. Knowledge Gap: Previous studies often apply quality control tools separately, with limited integration between statistical tools and root cause identification methods. Aims: This study aims to identify defect types, analyze root causes, and propose improvement strategies in sugar production processes. Results: The findings show that the highest defects occurred in krikilan with 1671 kwintal, followed by refined sugar and molasses. Analysis using seven tools revealed dominant defect patterns, while Root Cause Analysis identified five main contributing factors: machine, material, method, man, and environment. Novelty: The study integrates seven tools with RCA using the 5 Whys approach to provide a more structured and comprehensive defect analysis. Implications: The results suggest practical improvements including machine maintenance scheduling, stricter raw material inspection, and employee training to reduce defect rates and improve production efficiency. Keywords: Quality Control, Seven Tools, Root Cause Analysis, Sugar Production, Defect Analysis Key Findings Highlights Krikilan defect dominates total production issues across observed periods Integrated analysis reveals five primary sources of production failure Structured improvement actions focus on maintenance, supervision, and workforce capability
Financial Literacy Lifestyle Self Control and Student Consumptive Behavior: Literasi Keuangan, Gaya Hidup, Pengendalian Diri, dan Perilaku Konsumsi Mahasiswa Iwan Kurniawan; Atikha Sidhi Cahyana
Indonesian Journal of Innovation Studies Vol. 27 No. 1 (2026): January
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/ijins.v27i1.2070

Abstract

General Background The rapid growth of digital technology and e-commerce has transformed consumption patterns among young individuals. Specific Background University students, particularly active users of online marketplaces, are increasingly exposed to impulsive buying behavior driven by convenience and promotional features. Knowledge Gap Previous studies show inconsistent findings regarding the roles of financial literacy, lifestyle, and self-control in shaping consumptive behavior, and limited research integrates these variables within a single framework. Aims This study aims to examine the relationships between financial literacy, lifestyle, and self-control on student consumptive behavior. Results The findings reveal that financial literacy, lifestyle, and self-control each show a positive and significant relationship with consumptive behavior among students, supported by statistical testing using SmartPLS with 86 respondents. Novelty This study integrates three behavioral and financial variables within the context of student consumers using e-commerce platforms, offering a combined analytical perspective. Implications The results provide insights for improving financial awareness and behavioral control strategies among students to better manage consumption patterns in digital environments. Keywords: Financial Literacy, Lifestyle, Self Control, Consumptive Behavior, Students Key Findings Highlights Spending patterns linked with knowledge and financial decision skills Social and personal habits shape purchasing tendencies Internal regulation ability relates to buying decisions
Co-Authors Iwan Kurniawan Moch Rio Firmansyah