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All Journal Multidiciplinary Output Research for Actual and International Issue (Morfai Journal) Student Scientific Creativity Journal Jurnal Penelitian Ekonomi Manajemen dan Bisnis
Yuliana Simbolon
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Kepuasan dan Kepercayaan Pelanggan sebagai Faktor Penentu Loyalitas pada Layanan Transportasi Online Grab di Kota Medan Lenti Susanna Saragih; Aurora Elise Putriku; Yuliana Simbolon; Sasti Permata; Sri Handayani
Student Scientific Creativity Journal Vol. 2 No. 4 (2024): Juli : Student Scientific Creativity Journal
Publisher : Pusat Riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/sscj-amik.v2i4.3396

Abstract

This study aims to examine the role of customer satisfaction and trust as determinants of loyalty in Grab online transportation services in Medan City. The research method used is a qualitative approach with a survey method. Data collection was carried out through the distribution of online questionnaires to 60 respondents selected using purposive sampling technique. The data were analyzed descriptively using a Likert scale. The results showed that customer satisfaction, which includes service quality, driving experience, driver professionalism, vehicle cleanliness, and complaint handling, was rated quite well by the respondents. Customer trust in Grab as a safe, transparent, and reliable transportation choice has also proven to be an important factor in building loyalty. However, customer loyalty to Grab is not very strong, given the intense competition in the online transportation industry. The implication is that Grab and similar companies need to continue improving service quality, ensuring customer safety and comfort, responding to complaints effectively, and implementing effective marketing strategies to retain customers. This research provides valuable insights for online transportation service providers in their efforts to enhance customer satisfaction, trust, and loyalty amidst dynamic market competition.
Analisis Pengaruh Harga dan Kualitas Produk terhadap Permintaan Produk Kerupuk Opak UD. KARYA BERSAMA Yuliana Simbolon; Dariz Radyananda Barus; Sasti Permata; Aurora Elise Putriku
Jurnal Penelitian Ekonomi Manajemen dan Bisnis Vol. 4 No. 2 (2025): Jurnal Penelitian Ekonomi Manajemen dan Bisnis
Publisher : Pusat Riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jekombis.v4i2.4995

Abstract

This study aims to analyze the influence of price and product quality variables on the demand for Kerupuk Opak at UD. Karya Bersama. This research is a quantitative study utilizing primary data collected through questionnaires distributed to 30 customers, using a saturated sampling technique. Data collection methods include questionnaires and literature studies. Instrument testing consists of validity and reliability tests, while classical assumption tests include normality, heteroscedasticity, and multicollinearity tests. Data were analyzed using multiple linear regression with the help of SPSS version 26. The results show that the price variable does not have a significant effect on product demand (tvalue = -0.253 < ttable = 1.70329; significance > 0.05), whereas the product quality variable has a significant effect on product demand (tvalue = 5.391 > ttable = 1.70329; significance < 0.05). Simultaneously, price and product quality significantly influence product demand (Fvalue = 65.853 > Ftable = 3.35; significance = 0.000 < 0.05).
THE EFFECT OF THE JIGSAW TYPE COOPERATIVE LEARNING MODEL ON IMPROVING STUDENTS' AFFECTIVE LEARNING OUTCOMES HKBP PRIVATE VOCATIONAL SCHOOL PEMATANGSIANTAR Bangun Munthe; Imelda Butarbutar; Justinos Ray Nainggolan; Josua Manurung; Yuliana Simbolon
Multidiciplinary Output Research For Actual and International Issue (MORFAI) Vol. 6 No. 1 (2026): Multidiciplinary Output Research For Actual and International Issue
Publisher : RADJA PUBLIKA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5281/zenodo.18640447

Abstract

This study aims to determine whether there is (1) an increase in student learning outcomes using the jigsaw cooperative learning model. The study was conducted in two cycles with each cycle consisting of planning, action implementation, observation and reflection. The subjects of this study were 20 students of class XII of SMK Swadaya HKBP Pematangsiantar in the 2025/2026 academic year. The data sources used were informants, places or locations, events, documents or archives. Data collection techniques were carried out by observation, interviews, tests, questionnaires and documentation. Data validity used source triangulation techniques. Data analysis used qualitative descriptive analysis techniques. The results of the study showed that the religious learning outcomes of class XII students of SMK Swadaya HKBP Pematangsiantar experienced an increase after the implementation of the Jigsaw cooperative learning model. The method used in this study is an experiment, with a one group pretest-posttest design used to determine the effect of a treatment on the research subjects. The population of this study was class XII at SMK Swasta HKBP Pematangsiantar, with samples of class XII-TKJ and XII-KKY. The research data were obtained using a multiple-choice instrument of 20 questions and a pretest was conducted before learning and a posttest after learning. From the results of the study, an average pretest of 64.15 and a posttest of 92.5 was obtained. From the results of the hypothesis test, t_count > t_table at a significance level of 5% or 0.05, namely (4.49 > 1.70). Based on the results of the data analysis obtained, it can be concluded that learning with the jigsaw type cooperative learning model can improve student learning outcomes as seen from the increase in pretest and posttest scores.
Co-Authors Aurora Elise Putriku Bangun Munthe Dariz Radyananda Barus Imelda Butarbutar Josua Manurung Justinos Ray Nainggolan Lenti Susanna Saragih Sasti Permata Sri Handayani