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All Journal Jurnal Kesehatan Andalas Edulitics (Education, Literature, and Linguistics) Journal Jurnal Abadimas Adi Buana Jurnal Entrepreneur dan Entrepreneurship (JEE) International Journal of Economics, Business and Accounting Research (IJEBAR) Jurnal Ekonomi Manajemen Sistem Informasi Review of Management and Entrepreneurship Jurnal Leverage, Engagement, Empowerment of Community (LeECOM) Abdimas: Jurnal Pengabdian Masyarakat Universitas Merdeka Malang 3BIO: Journal of Biological Science, Technology and Management Buletin Poltanesa International Journal of Multidisciplinary: Applied Business and Education Research JURNAL ILMIAH GLOBAL EDUCATION International Journal of Economic, Business, Accounting, Agriculture Management and Sharia Administration (IJEBAS) Jurnal Locus Penelitian dan Pengabdian Journal Research of Social Science, Economics, and Management Eduvest - Journal of Universal Studies
Christiani, Natalia
Universitas Ciputra Surabaya
Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Environmental Science Health Professions Immunology & microbiology Languange, Linguistic, Communication & Media Mathematics Medicine & Pharmacology Neuroscience Public Health Social Sciences Other

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The Effect of Product Quality, Price, and Promotion toward Students’ Purchase Decision for Telkomsel Products Vincencia, Michel; Christiani, Natalia
Review of Management and Entrepreneurship Vol. 5 No. 2 (2021): Review Of Management And Entrepreneurship
Publisher : International Business Management - Universitas Ciputra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37715/rme.v5i2.1803

Abstract

This study aims to test the effect of product quality, price, and promotion on purchasing decisions. This research specifically focuses on Universitas Ciputra Surabaya students majoring in International Business Management (BMI). This study uses quantitative methods with a total response of 105 students collected from online questionnaires using a 5-point Likert scale measurement. Data were analyzed using SPSS software. The results of this study concluded that product quality did not have a significant effect on student purchasing decisions at Universitas Ciputra Surabaya. Meanwhile, price and promotion significantly influence student purchasing decisions at Universitas Ciputra Surabaya. The results of this research show that both Price (Sig. value = 0.006) and Promotion (Sig. value = 0.002) significantly affects purchase decision, while Product Quality (Sig. value = 0.058) does not have significant influence toward purchase decision. Moreover, the study found that there is a positive relationship between Product Quality, Price, and Promotion toward students' purchase decision for Telkomsel products with the degree of independent variable explaining the effect of Telkomsel product purchasing decisions by 47.3%.
Potensi Ikan Barbir (Pethia conchonius) dan Lemon (Labidochromis caeruleus) Jantan dan Betina sebagai Predator Biologis Larva Nyamuk Aedes aegypti Adrianto, Hebert; Rambung, Etha; Christiani, Natalia
Jurnal Kesehatan Andalas Vol. 11 No. 1 (2022): Online March 2022
Publisher : Faculty of Medicine, Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jka.v11i1.1952

Abstract

Fish as natural predators of mosquito larvae is a way of controlling mosquito larvae biologically that does not pose a risk to the health of organisms and environmental damage and overcoming the problem of mosquito resistance to chemical larvacide. One fish tested in the study was the rosy barb (Pethia conchonius) and lemon cichlid (Labidochromis caeruleus). Objectives: To analyzed  a difference in the predation ability of male and female fish to the larvae. Methods: This was an experimental study in the laboratory with a post-test-only design and five replications. One aquarium contains one liter of water, one fish, and 25 larvae of Ae. aegypti. Fish testing starts in the afternoon at 15.00 WIB. Observation the predation time of the fish until the fish eat all the larvae. Results: The average predation time of male P. conchonius fish was 1.57 minutes, and the female was 76.05 minutes. The average predation time of male L. caeruleus fish was 36.72 minutes and for females, 22.08 minutes. There was a significant difference between the predation of the male and female P. conchonius fish groups. There was no significant difference between the predation of male and female L. caeruleus fish groups to Ae. aegypti larvae. Conclusion: Rosy barb (P. conchonius) and lemon cichlid (L. caeruleus) have the potential to control the larval population of the Ae. aegypti mosquito. Rosy barb male has faster predation ability than other fish.Keywords:  Aedes aegypti, female, Labidochromis caeruleus, Pethia conchonius, male
Exploring Digital Literacy Skills of Prospective Indonesian EFL Teachers Christiani, Natalia; Tungka, Novalita Fransisca; Nainggolan, Romauli
International Journal of Multidisciplinary: Applied Business and Education Research Vol. 3 No. 7 (2022): International Journal of Multidisciplinary: Applied Business and Education Rese
Publisher : Future Science / FSH-PH Publications

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/ijmaber.03.07.20

Abstract

Understanding EFL students’ levels of digital literacy is a vital step to improve the quality of English teaching and learning. This paper explored the levels of digital literacy skills of prospective Indonesian EFL teachers in the matter of their readiness for the integration and implementation of digital tools in their language learning practices. The respondents were three hundred thirty-six students majoring in the English Language Education department across cultural regions in Indonesia. A questionnaire was distributed online to gather data. The data were then tabulated and interpreted descriptively. The analysis results reported that the prospective Indonesian EFL teachers’ level of digital literacy was moderate. The discussion in this paper focuses on their digital literacy skills in terms of creative, technological, personal security, internet safety, problem-solving, information, communication or netiquette, and navigation. The findings of this study will provide a useful reference to improve learning practices and the integration and implementation of digital tools in English teaching and learning contexts.
Meningkatkan Sustainable Development Goals (SDGs) melalui Lomba Showcase Dewi, Liliana; Utami , Christina Whidya; Efrata, Tommy Christian; Christiani , Natalia; Christina, Christina; Padmawidjaja, Liestya; Sutanto, J. E.
Jurnal Leverage, Engagement, Empowerment of Community (LeECOM) Vol. 7 No. 1 (2025): Jurnal Leverage, Engagement, Empowerment of Community (LeECOM)
Publisher : Universitas Ciputra Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37715/leecom.v7i1.5148

Abstract

Universitas Ciputra (UC) Surabaya sedang gencar dalam mengimplementasikan Sustainable Development Goals (SDGs), khususnya pada Partnerships for the Goals. Demi tercapainya Universitas yang berdampak bagi lingkungannya, maka diadakan lomba showcase menggunakan bahan daur ulang yang 3R (Reuse, Reduce, Recycle). Lomba showcase diutamakan pada negara-negara yang menjadi partner kerja sama internasional UC yaitu Australia, Malaysia, India, Perancis, Thailand, dan China. Lomba ini diikuti oleh seluruh sivitas akademika UC. Hasilnya adalah pengetahuan tentang SDGs yang sudah dilakukan di negara-negara tersebut dapat menjadi tolok ukur bagi pengajar dan staf Universitas Ciputra Surabaya dalam mengimplementasikan SDGs khususnya di lingkungan sekitar kampus.
Perancangan Strategi Inovasi Operasional di dalam Gereja Sidang Jemaat Kristus Surabaya dengan Menggunakan Tools Blue Ocean Strategy: Studi Kualitatif Liem, Budianto; Natalia Christiani
Jurnal Ekonomi Manajemen Sistem Informasi Vol. 6 No. 6 (2025): Jurnal Ekonomi Manajemen Sistem Informasi (Juli - Agustus 2025)
Publisher : Dinasti Review

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.38035/jemsi.v6i6.5859

Abstract

Penelitian ini bertujuan untuk merancang strategi inovasi operasional dalam pengelolaan inventaris Gereja Sidang Jemaat Kristus (GSJK) Surabaya melalui pendekatan Blue Ocean Strategy (BOS). Latar belakang penelitian didasari oleh penggunaan sistem manual berbasis Microsoft Excel yang menyebabkan rendahnya efisiensi, akurasi, dan transparansi. Data internal menunjukkan beberapa aset bernilai tinggi hilang dan baru terdeteksi setelah terlambat, mencerminkan lemahnya sistem pelacakan. Pada saat yang sama, terjadi penurunan penerimaan gereja dari Rp15,1 miliar (2021) menjadi Rp9,3 miliar (2024), sementara pengeluaran tetap tinggi sebesar Rp13,8 miliar, sehingga meningkatkan risiko terhadap keberlanjutan pelayanan.Penelitian ini menggunakan pendekatan kualitatif studi kasus, dengan teknik pengumpulan data berupa wawancara semi-terstruktur, observasi partisipatif, dan telaah dokumen. Data dianalisis menggunakan open coding, axial coding, dan tematik coding dengan bantuan perangkat lunak NVivo. Analisis strategis dilakukan melalui tools BOS seperti Strategy Canvas, ERRC, Six Paths Framework, dan Value Innovation, serta dilengkapi dengan analisis SWOT dan benchmarking. Hasil menunjukkan bahwa GSJK memiliki kekuatan dalam budaya pelayanan kolektif dan transparansi keuangan, namun lemah dalam digitalisasi dan SDM. Strategi utama yang diusulkan adalah pengembangan sistem inventaris berbasis web yang terintegrasi dan partisipatif. Penelitian ini berkontribusi secara teoretis terhadap literatur inovasi operasional di organisasi keagamaan dan menawarkan rekomendasi praktis untuk transformasi digital berkelanjutan.
Pengaruh Pengalaman dan Kepuasan Pasien terhadap Loyalitas Pasien di Rumah Sakit dengan e-WOM sebagai Mediator Hidayat, Ari; Christiani, Natalia; Riza, Fahrul
Jurnal Locus Penelitian dan Pengabdian Vol. 4 No. 10 (2025): JURNAL LOCUS: Penelitian dan Pengabdian
Publisher : Riviera Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58344/locus.v4i10.4841

Abstract

Loyalitas pasien menjadi isu krusial dalam sistem kesehatan Indonesia, khususnya era JKN-KIS dimana tingkat kepuasan pasien BPJS secara nasional masih menunjukkan variasi signifikan. Data Kementerian Kesehatan 2023 menunjukkan indeks kepuasan pasien BPJS di rumah sakit swasta mencapai 76,8%, sementara rumah sakit pemerintah 72,4%, dengan gap loyalitas pasien yang memerlukan strategi inovatif melalui pemanfaatan teknologi digital. Penelitian ini bertujuan untuk menganalisis pengaruh pengalaman pasien dan kepuasan pasien terhadap loyalitas pasien di rumah sakit, dengan electronic word of mouth (e-WOM) sebagai variabel mediasi. Metode yang digunakan dalam penelitian ini adalah non probability sampling dengan teknik purposive sampling, dengan cara memilih sampel dari populasi yang didasarkan dari kriteria dan informasi yang tersedia. Hasil penelitian menunjukkan bahwa pengalaman pasien dan kepuasan pasien memiliki pengaruh signifikan terhadap loyalitas pasien. Temuan utama mengkonfirmasi bahwa e-WOM melalui platform digital memiliki peran mediasi yang sangat kuat (koefisien >0.25) dalam memperkuat hubungan antara pengalaman-loyalitas dan kepuasan-loyalitas, dengan kontribusi prediktif model mencapai 77% (R² = 0.770). Selain itu, e-WOM terbukti menjadi variabel mediasi yang kuat, baik dalam hubungan antara pengalaman pasien dengan loyalitas pasien, maupun dalam hubungan antara kepuasan pasien dengan loyalitas pasien.
The Effect of Product Knowledge, Price, and Social Media Marketing towards Consumer Buying Decision on Fit Cookie Business Candra, Alexander Handriyan; Christiani, Natalia
Poltanesa Vol 24 No 2 (2023): December 2023
Publisher : P3KM Politeknik Pertanian Negeri Samarinda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51967/tanesa.v24i2.2962

Abstract

Due to Covid-19, a lot of peoples’ diet ways have changed and most of these changes are not healthy for their health. People try to consume healthy food which cannot be categorized as healthy food, especially when they want to snack. Based on this situation, a lot of food and beverage businesses have somewhat developed some kind of healthy menu to offer to consumers, which then Fit Cookie emerged and offers variant of healthy snacks and food for consumer. The purpose of this research is to find out whether product knowledge, price, and social media marketing have significant impacts towards consumer buying decisions on Fit Cookie business. The research uses a quantitative method and the survey uses the means of a questionnaire. The questionnaire assists the researcher in collecting data. It is spread to 81 people where the population and sample are the same. They are the customers of Fit Cookie. They are taken and counted from the Fit Cookie Instagram that are still becoming active buyers since the first Fit Cookie published until this research is conducted. The results show that product knowledge, price, and social media marketing has a significant and positive impact towards consumer buying decisions on Fit Cookie business.
Development and Validation of Digital Literacy Scale for Prospective EFL Teachers Natalia Christiani; Novalita Fransisca Tungka; Romauli Nainggolan
Edulitics (Education, Literature, and Linguistics) Journal Vol. 9 No. 2 (2024): December, 2024
Publisher : Prodi Pendidikan Bahasa Inggris, Fakultas Keguruan dan Ilmu Pendidikan, Universitas Islam Darul Ulum Lamongan*

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52166/edulitics.v9i2.8211

Abstract

Teacher’s digital literacy competence is crucially important in education nowadays, and a number of scholars have measured the quality of teacher’s digital literacy skills. The available instruments have been developed to assess digital literacy skills of adolescents and graduate school students, while digital literacy skills of prospective teachers have received little attention. This study aimed at developing and validating an instrument to measure digital literacy skills particular to prospective Indonesian EFL teachers. To this end, this study piloted a theoretical model based on a review of the related literature, interviews with Indonesian EFL learners majoring in English Language Education Department and EFL lecturers in East Java, North Sumatera, Central Sulawesi, West Kalimantan, West Papua, East Nusa Tenggara, and Bali. Later, the results were used to verify and develop the digital literacy scale. After developing the scale and administering it to 336 Indonesian EFL learners from seven cities in Indonesia, the researchers validated the scale through both exploratory and confirmatory factor analyses. This study exposes a comprehensive picture of prospective teachers’ digital literacy skills in EFL contexts in terms of eight factors: creative skill, technological skill, personal security skill, internet safety skill, problem-solving skill, informational skill, and communication or netiquette skill. This scale is a valid and reliable tool, and will be useful as an instrument on EFL teachers’ digital literacy skills. The final form of this scale can inform policy development, curriculum design, and training initiatives for prospective EFL teachers targeting digital literacy competence.
Analisis Faktor dalam Keputusan Perusahaan Kecil dan Menengah Memilih Penyedia Layanan Billboard (Studi pada Pilar Advertising) Citra Wanodya Rahmahani; Teofilus Teofilus; Natalia Christiani
Jurnal Ilmiah Global Education Vol. 7 No. 2 (2026): JURNAL ILMIAH GLOBAL EDUCATION (In Press)
Publisher : LPPM Institut Pendidikan Nusantara Global

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55681/jige.v7i2.5588

Abstract

This study aims to identify and describe the factors that shape the purchase decisions of small and medium-sized enterprises in selecting billboard service providers. The study is motivated by the risks, barriers, and uncertainties associated with using billboards as an outdoor advertising medium, which encourage small and medium-sized enterprises to conduct selective evaluations of service providers. Employing a descriptive quantitative approach, data were collected from decision-makers at 56 small and medium-sized enterprises that are clients of Pilar Advertising in the Kediri Raya and analyzed using Exploratory Factor Analysis (EFA). The results reveal nine factors influencing purchase decisions: price attractiveness, after-sales service, product attributes, service flexibility, information sources, trustworthiness, relationship quality, service adaptability, and relationship commitment, with price attractiveness emerging as the most dominant factor, reflecting the sensitivity of small and medium-sized enterprises to economic value considerations. This study contributes theoretically to a deeper understanding of organizational purchase decisions in the outdoor advertising industry and extends the application of the Theory of Trying within an organizational context. Practically, the findings provide insights for Pilar Advertising to better align its service strategies with client needs. The study is limited by its localized sample and the absence of external organizational decision-making factors in the research model; therefore, future research is recommended to expand the geographical scope, incorporate external variables, and conduct confirmatory analyses to validate the stability of the identified factor constructs.
THE IMPACT OF TURNAROUND TIME AND MRO FACILITY IN AIRCRAFT MAINTENANCE ON EMPLOYEE PERFORMANCE Ade Ryan Setiawan; Timotius FCW Sutrisno; Natalia Christiani
Eduvest - Journal of Universal Studies Vol. 5 No. 6 (2025): Eduvest - Journal of Universal Studies
Publisher : Green Publisher Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59188/eduvest.v5i6.51428

Abstract

This study aims to analyze the influence of Turnaround Time and MRO Facility on Employee Performance in aircraft maintenance activities. Optimal Turnaround Time and adequate maintenance facilities play a crucial role in enhancing Employee Performance, particularly in efficiency, job satisfaction, and productivity. The research employs Structural Equation Modeling-Partial Least Squares (SEM-PLS) with the Blindfolding technique to assess the model's predictive validity. Data were collected through questionnaires from employees involved in aircraft maintenance activities. The results indicate that TAT has a significant moderate effect on employee performance, suggesting that effective turnaround time management enhances work efficiency and overall employee productivity. Meanwhile, the MRO Facility also shows a statistically significant, albeit small, effect on employee performance, indicating that modern and well-equipped facilities contribute positively to performance outcomes. This study contributes theoretically to understanding the key factors affecting employee performance in the MRO sector and offers practical implications for management in optimizing performance improvement strategies. The study is limited by its narrow research scope and exclusion of other potential influencing variables. Future research is recommended to expand the study area and include additional variables such as job satisfaction, leadership style, and organizational culture.
Co-Authors Ade Ryan Setiawan Baswara Yua Kristama Candra, Alexander Handriyan Christina Christina Christina Christina Whidya Utami Citra Wanodya Rahmahani Denpharanto Agung Krisprimandoyo Eric Harianto Etha Rambung Fahrul Riza Hebert Adrianto Hidayat, Ari Imelda Ritunga Liem, Budianto Liestya Padmawidjaja Liliana Dewi Lya Dewi Anggraini Michael Ricky Sondak Mustikawati Nawir, Caroline Pratiwi Nawir, Caroline Pratiwi Novalita Fransisca Tungka Pramesti Sanicara Ramaputra, Reza Romauli Nainggolan Sutanto, J. E. Sutrisno Trisno Sutrisno, Timotius FCW Teofilus Teofilus Tina Melinda Tommy Christian Efrata Tony Antonio Vincencia, Michel Wibowo, Yohana Cahya Yayat Hidayat Yosica Ferinda