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The Invasive Plant Maeopsis eminii: A Key Dietary Resource for Primates in the Tropical Rainforests of West Java, Indonesia Noer, Mohamad Isnin; Lestari, Alvita Dwi; Ramadhini, Kiky; Prasetya, Priya Yuga; Sedayu, Agung; Komala, Ratna
HAYATI Journal of Biosciences Vol. 32 No. 2 (2025): March 2025
Publisher : Bogor Agricultural University, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.4308/hjb.32.2.528-536

Abstract

Animal-plant interactions are crucial for understanding the ecological dynamics and predicting ecosystem changes. This study explores the role of the invasive plant Maesopsis eminii in the Bodogol Nature Reserve, Gunung Gede National Park, West Java, Indonesia, focusing on its interaction with diurnal vertebrate species. Primates, including Javan gibbon and Javan langur, were identified as primary consumers of Maesopsis eminii, with Javan gibbon showing the highest consumption rates. Dietary analysis revealed that both primate species utilized M. eminii fruits and leaves, whereas Javan gibbons relied more on Maesopsis eminii than Javan langurs. Other vertebrates, such as squirrels and birds, are occasional visitors with minimal fruit consumption. This study highlights that Maesopsis eminii is a primary resource of Javan gibbon, Javan langur, and Javan surili. This nearly year-round fruiting plant is crucial for supporting primate populations, especially given its contribution to their diet. Considering the mutualistic interaction between Maesopsis eminii and its visitors, the Javan gibbon was the only species that probably dispersed seeds through endozoochory, making this primate species a crucial part of the dispersal of Maesopsis eminii in Gunung Gede National Park. Because invasive plants can threaten native flora and fauna, future studies must emphasize balancing the beneficial and detrimental effects.
Pengaruh Kualitas Pelayanan, Suasana dan Harga terhadap Loyalitas konsumen melalui Kepuasan konsumen Kopi Kemenangan Semarang Pratama, Annisa Salsabilah; Chasanah, Amalia Nur; Sedayu, Agung; Kurniawan, Rudi
JEKPEND: Jurnal Ekonomi dan Pendidikan Vol 8, No 1 (2025): Januari
Publisher : Universitas Negeri Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26858/jekpend.v8i1.71259

Abstract

Industri kopi di Indonesia semakin meningkat, seperti di Semarang saat ini mengalami pertumbuhan yang pesat menjadikan gaya hidup masyarakat juga berubah, adanya tuntutan pekerjaan atau tugas sehingga mereka membutuhkan tempat yang mampu memberikan suasana yang nyaman dan aman. Tujuan penelitian ini adalah untuk mengetahui bagaimana kualitas pelayanan, suasana, dan harga berdampak pada loyalitas pelanggan melalui kepuasan pelanggan kopi kemenangan. Latar belakang penelitian ini didasarkan pada kebutuhan untuk memahami komponen yang memengaruhi kesetiaan pelanggan dalam industri kopi yang semakin kompetitif. Penelitian ini menggunakan pendekatan kuantitatif. Peneliti mengumpulkan data dari 110 pelanggan kopi kemenangan melalui kuesioner. Data dianalisis menggunakan bantuan partial least square (PLS). Hasil analysis menunjukan bah Harga tidak memiliki pengaruh signifikan terhadap kepuasan konsumen, sementara kualitas dan Suasana memberikan dampak positif yang signifikan dan kepuasan consument memiliki dampak positif terhadap loyalitas consument. Meskipun Harga tidak berpengaruh signifikan terhadap kepuasan konsumen, kualitas pelayanan, suasana memiliki pengaruh signifikan terhadap kepuasan dan kepuasan memiliki pengaruh signifikan terhadap loyalitas konsumen pada kopi kemenangan Semarang.
Peran Tingkat Kepercayaan, Kemudahan Penggunaan, dan Persepsi Risiko Terhadap Keputusan Pembelian Pada Metode Pembayaran Shopee PayLater di Kota Semarang Irfan, Bintang Azzahra Rachil; Sedayu, Agung
SEIKO : Journal of Management & Business Vol 8, No 1 (2025): Januari - Juni
Publisher : Program Pascasarjana STIE Amkop Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37531/sejaman.v8i1.8433

Abstract

Meningkatnya popularitas metode pembayaran digital telah menarik perhatian terhadap faktor-faktor yang memengaruhi keputusan pembelian konsumen, khususnya dalam layanan Shopee PayLater. Penelitian ini bertujuan untuk menganalisis pengaruh tingkat kepercayaan, kemudahan penggunaan, dan persepsi risiko terhadap keputusan pembelian menggunakan metode pembayaran Shopee PayLater di Kota Semarang. Dengan menggunakan pendekatan kuantitatif, data dikumpulkan melalui kuesioner terstruktur yang disebarkan kepada 100 responden yang aktif menggunakan Shopee PayLater. Teknik purposive sampling digunakan dalam pemilihan sampel dengan kriteria bahwa responden telah melakukan transaksi minimal dua kali dalam satu bulan dan memiliki tagihan aktif dari Shopee PayLater. Data yang diperoleh dianalisis menggunakan metode Structural Equation Modeling - Partial Least Squares (SEM-PLS) melalui SmartPLS 4. Pengujian model mencakup Outer Model untuk validitas dan reliabilitas, serta Inner Model untuk menguji hubungan antar variabel. Hasil penelitian menunjukkan bahwa tingkat kepercayaan dan kemudahan penggunaan berpengaruh positif dan signifikan terhadap keputusan pembelian, sedangkan persepsi risiko berpengaruh negatif dan signifikan. Kata Kunci: Kepercayaan, Kemudahan Penggunaan, Risiko, Shopee PayLater, Keputusan Pembelian
Assessment and Optimization of Green Buildings in Inpatient Buildings Using EDGE Building Rating (Case Study: Graha Amarilis of Karsa Husada Batu Academic Hospital) Perdana, Angga; Sedayu, Agung; Kharismawardani, Nur; Adi Permana, Krisna
Interdiciplinary Journal and Hummanity (INJURITY) Vol. 3 No. 2 (2024): INJURITY: Journal of Interdisciplinary Studies.
Publisher : Pusat Publikasi Nusantara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58631/injurity.v3i2.175

Abstract

The Graha Amarilis inpatient building has high Energy, Water, and material consumption because it operates 24 hours daily. The building’s performance must be evaluated based on green building standards to ensure the sustainability of the building and the environment surrounding it. This study aims to determine the performance of green buildings and optimize the Graha Amarilis inpatient building. A combined strategy of case studies with simulations is used as research methodology. Field surveys and measurements were carried out on research cases and digitally modeled using Autodesk REVIT. Then, building performance analysis calculations are carried out using the EDGE Building application simulation method, which presents data on green rating of Energy, Water, and Material saving in buildings. The results of this study were obtained on energy and water items that had not reached green building rating in EDGE Building by 20%. So, optimizing energy items at points EEM 18, EEM 07, and EEM 33 and Water at points WEM 01, WEM 02, WEM 14, and WEM 15 is necessary. Finally, after several simulations on that item, Energy saving consumption becomes 20.07 %, Water 34.69%, and Material 23.00%. With these adjustments, the Graha Amarilis inpatient Building can reach the green building standards and become more sustainable and environmentally friendly
Mengevaluasi Peran Celebrity Endorsement, Live Streaming Dan E-Wom Terhadap Perilaku Belanja Online Pada Generasi Z Tazkiyya, Iffa; Puspitasari, Diana; Sedayu, Agung; Kusuma, Pradana Jati
Indo-Fintech Intellectuals: Journal of Economics and Business Vol. 5 No. 1 (2025): Indo-Fintech Intellectuals: Journal of Economics and Business (2025)
Publisher : Lembaga Intelektual Muda (LIM) Maluku

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54373/ifijeb.v5i1.2958

Abstract

Penggunaan media sosial yang luas di kalangan Gen-Z telah mempengaruhi banyak aspek dalam kehidupan mereka termasuk kebiasaan belanja online. Tren belanja online telah membuat persaingan bisnis makin ketat serta kompetitif. Penelitian ini bertujuan untuk mengevaluasi peran Celebrity Endorsement, Electronic Word of Mouth (e-WOM), Live Streaming pada perilaku belanja online pada Gen-Z. Selain itu, menguji faktor memengaruhi preferensi platform, pola konsumsi, dan keputusan pembelian. Jenis studi memanfaatkan metode kuantitatif, juga menggunakan penelitian deskriptif. Kuesioner online digunakan dalam mengambil 158 data dari konsumen Gen Z di Indonesia. Pendekatan olah data memanfaatkan Partial Least Squares Structural Equation Modeling (PLS-SEM) 4.1.0.9 digunakan untuk mengevaluasi data dan menguji hipotesis. Metode analisis PLS-SEM menunjukkan bahwa Celebrity Endorsement, Live Streaming, Electronic Word of Mouth (e-WOM) mempunyai dampak signifikan pada perilaku belanja online Gen-Z pada Gen-Z. Makalah penelitian ini menawarkan rekomendasi yang bermanfaat bagi bisnis online tentang bagaimana memanfaatkan peran dukungan selebriti, menggunakan platform live streaming dan pentingnya E-WOM untuk promosi yang ditargetkan untuk mendorong perilaku belanja online pada generasi z untuk melakukan pembelian.   Kata Kunci: Dukungan Selebrity, Siaran Langsung, e-WOM, Gen Z
The Correlation between Students Perception about School Garden with the Attitude of School Environmental Management Prastiwi, Lenny; Sigit, Diana Vivanti; Sedayu, Agung
Biosfer: Jurnal Pendidikan Biologi Vol. 8 No. 1 (2015): Biosfer: Jurnal Pendidikan Biologi
Publisher : Universitas Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (510.174 KB) | DOI: 10.21009/biosferjpb.8-1.4

Abstract

School garden is one of learning sources to introduce students with environmental education. Environmental education through school garden can form a student’s perception that helps to develop a good atittude of school environmental management. The aim of this study was to find out the correlation between student’s perception about school garden with the attitude of school environmental management. This study was conducted in May 2015 at SMAN 4 Tangerang and SMAN 5 Tangerang. This study used quantitative method through correlational studies. Sampling was done by simple random sampling used 214 students of class XI who had been using school garden as a learning sources. The analysis prerequisite test results are normally distributed and homogeneous data. The regression models was Ŷ = 19.41 + 0,672X, and the correlation coefficient was 0.715 which means there was positive correlation between student’s perception about the school garden with the attitude of school environmental management. The coefficient of determination was 51.1%. It can be interpreted that student’s perception about school garden contributed 51.1% to the attitude of school environmental management.
A Quantitative Study on the Effectiveness of Open Educational Resources (OER) in Enhancing Creative Thinking Skills Sedayu, Agung; Herpratiwi, Herpratiwi; Yuliyanti, Dwi; Distrik, I Wayan
Tadris: Jurnal Keguruan dan Ilmu Tarbiyah Vol 8 No 2 (2023): Tadris: Jurnal Keguruan dan Ilmu Tarbiyah
Publisher : Universitas Islam Negeri Raden Intan Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/tadris.v8i2.18537

Abstract

This research aims to provide empirical evidence on the effectiveness of Open Educational Resources (OER) in facilitating transformative learning experiences that enhance students' creative thinking skills. A quantitative approach was employed for the study, wherein two groups, experimental and control, underwent pre-tests and post-tests to measure variables such as fluency, flexibility, elaboration, and evaluation of their creative thinking abilities. The study revealed significant differences between pre-test and post-test scores for both groups, particularly in the indicators of flexibility and evaluation. However, diverse outcomes were observed when examining n-gain scores across all indicators of creative thinking skills, suggesting that the effectiveness of OER in facilitating transformative learning varies depending on the specific creative thinking indicators measured. The research emphasizes that while OER can facilitate transformative learning processes, it may not yield uniform results across all dimensions of creative thinking. The obtained results indicate no significant difference in flexibility. Contradictory conditions can be observed in fluency, elaboration, and evaluation indicators, showing significant differences. Therefore, educators should adopt varied approaches when integrating OER into their curricula to maximize the potential benefits of enhancing students' creative thinking skills. For future research, it is highly recommended to focus on the effectiveness of OER based on the type of content or subject matter taught to identify the most effective sources. Further research is also needed to compare the effectiveness of OER with other teaching methods.
PENGARUH KUALITAS LAYANAN, PERSEPSI HARGA, KEPERCAYAAN PELANGGAN, DAN KEPUASAN PELANGGAN TERHADAP LOYALITAS PELANGGAN PADA HANDAYANI CATERING SEMARANG Halimah Pudyastuti; Chasanah, Amalia Nur; Sedayu, Agung; Purwatingsih, Aris Puji
OIKOS: Jurnal Kajian Pendidikan Ekonomi dan Ilmu Ekonomi Vol 9 No 2 (2025): OIKOS: Jurnal Kajian Pendidikan Ekonomi dan Ilmu Ekonomi
Publisher : Fakultas Keguruan Dan Ilmu Pendidikan Universitas Pasundan

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

Abstract

This study aims to analyze the effect of service quality, price perception, customer trust, and customer satisfaction on customer loyalty at Handayani Catering Semarang. The study population was Handayani Catering customers in 2022-2024 totaling 190 customers. The sample was determined using purposive sampling method with the criteria of customers who ordered more than once, so that 106 respondents were obtained. Data analysis techniques using multiple linear regression with IBM SPSS software. The results showed that: (1) service quality has a significant positive effect on customer loyalty; (2) price perception has a significant positive effect on customer loyalty; (3) customer trust has a significant positive effect on customer loyalty; and (4) customer satisfaction has a significant positive effect on customer loyalty. The R Square value of 0.757 indicates that 75.7% of the variation in customer loyalty can be explained by the independent variables in this study, while the remaining 24.3% is explained by other variables outside the model.
Optimization of the Shortest Tsunami Evacuation Route Using Djikstra’s Algorithm in Benoa Village K, Ida Bagus Kade Puja Arimbawa; Sukartiasih, Wayan; Sedayu, Agung
Brilliance: Research of Artificial Intelligence Vol. 3 No. 2 (2023): Brilliance: Research of Artificial Intelligence, Article Research November 2023
Publisher : Yayasan Cita Cendekiawan Al Khwarizmi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47709/brilliance.v3i2.3089

Abstract

Benoa Village has an area of approximately 2.38 km² and a population of 9,569 people in 2020 with a population density of 4,013 people/km2. This area is included in the list of tsunami-prone areas because the area is located on the edge of the Indian Ocean, which is known as an area with a high level of earthquake and volcanic activity. The 2004 tsunami that hit the coast of the Indian Ocean increased the potential for similar disasters to occur in the area. Determination of the shortest evacuation route in Benoa Village using Djikstra Algorithm. The result obtained is a path from the evacuation starting point vertex to the comfort zone node. Thisvertex represents places and road intersections arranged in the form of a weighted graph (distance) with a total of 51 vertexs, and an Adjacency Matrix is formed which is processed using the C++ Program. The Safe Zone vertex (Grand Hyatt Bali Temporary Meet Point (V50), Hattrick Futsal (V51)) are headed from the evacuation starting point of Serangan Beach (4.49km to V50, 6.94km to V51), Noanui Beach (3.95km to V50, 6.39km to V51), Samuh Beach (2.75km to V50, 5, 19km to V51), Nusa Dua Beach A (3.54km to V50, 5.48km to V51), Nusa Dua Beach B (3.47km to V50, 4.79km to V51), Peninsula Island (4.69km to V50, 4.80km to V51), Megiat Beach (4.81km to V50, 4.15km to V51) and Geger Beach (5.86km to V50, 5.09km to V51).
GAYA KEPEMIMPINAN KEPALA DESA DALAM MENINGKATKAN PELAYANAN PUBLIK DI DESA SRUNI KECAMATAN JENGGAWAH KABUPATEN JEMBER Sedayu, Agung
Interelasi Humaniora Vol. 1 No. 1 (2024): INTERELASI - September
Publisher : BRIN (Badan Riset dan Inovasi Nasional)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24716/wbmw5f64

Abstract

Penelitian ini bertujuan untuk menganalisis gaya kepemimpinan yang diterapkan oleh kepala desa di Desa Sruni, Kecamatan Jenggawah, Kabupaten Jember, dalam usaha meningkatkan pelayanan publik. Metode penelitian yang digunakan adalah deskriptif kualitatif untuk mengeksplorasi dan mendeskripsikan peran serta pendekatan yang diterapkan oleh kepala desa perempuan. Data dikumpulkan melalui wawancara mendalam dengan informan kunci serta observasi langsung terhadap praktik kepemimpinan dan interaksi dengan masyarakat. Hasil penelitian menunjukkan bahwa kepala desa perempuan di Desa Sruni mengadopsi gaya kepemimpinan demokratis yang lebih dominan, di mana pengambilan keputusan melibatkan partisipasi aktif masyarakat. Selain itu, kepala desa juga menerapkan gaya kepemimpinan birokratis dan delegatif sesuai dengan situasi dan kondisi yang ada. Gaya birokratis digunakan dalam situasi yang memerlukan kepatuhan terhadap prosedur dan regulasi, sementara gaya delegatif diterapkan ketika melibatkan anggota masyarakat atau staf dalam pelaksanaan tugas tertentu untuk meningkatkan efektivitas dan efisiensi. Penelitian ini menemukan bahwa kombinasi gaya kepemimpinan tersebut berkontribusi pada peningkatan aksesibilitas pelayanan publik, memperkuat hubungan dengan masyarakat, serta membangun kapasitas dan kemandirian masyarakat untuk menghadapi tantangan lokal. Kepemimpinan perempuan juga berperan dalam mempromosikan kesetaraan gender dan meningkatkan kualitas hidup di tingkat desa.