Judul: Comparison of the Influence of Social Interaction and Online Trust on Purchase Intention in Social Commerce TikTok Shop and Instagram Shop
Abstrak: Globalisasi dan kemajuan teknologi menyebabkan pergeseran pola perilaku berbelanja dan berinteraksi masyarakat di Indonesia. Konsep social commerce hadir sebagai inovasi yang menggabungkan kegiatan berinteraksi dan berbelanja dalam satu tempat yang sama. Tiktok Shop dan Instagram Shop sebagai platform social commerce yang memiliki peran besar dalam industri social commerce perlu untuk meninjau keefektifan preferensi minat beli masyarakat. Penelitian ini bertujuan untuk mengkomparasi pengaruh social interaction dan online trust terhadap purchase intention pada Tiktok Shop dan Instagram Shop di Jabodetabek. Data dalam penelitian ini diperoleh melalui data primer. Analisis data yang digunakan adalah analisis deskriptif, analisis Wilcoxon Test, dan analisis SEM-PLS dengan sampel sebanyak 196 responden dengan teknik pengambilan sampel non probability sampling jenis purposive sampling. Hasil penelitian menunjukkan bahwa terdapat pengaruh social interaction dan online trust terhadap purchase intention secara positif dan signifikan serta terdapat pengaruh social interaction terhadap online trust secara positif dan signifikan. Juga ditemukan bahwa pengaruh online trust terhadap purchase intention pada Tiktok Shop lebih tinggi dibandingkan Instagram Shop sedangkan pengaruh social interaction terhadap purchase intention pada Tiktok Shop lebih rendah dibandingkan Instagram Shop., Globalization and technological advancements have led to a shift in shopping and interaction behavior patterns among Indonesian society. The concept of social commerce emerges as an innovation that combines interaction and shopping activities in one place. TikTok Shop and Instagram Shop, as prominent social commerce platforms, play a significant role in the industry and need to assess the effectiveness of consumer purchase intention preferences. This study aims to compare the influence of social interaction and online trust on purchase intention in TikTok Shop and Instagram Shop within the Greater Jakarta area. Data for this research were collected from primary sources. The data analysis employed descriptive analysis, Wilcoxon Test, and Structural Equation Modeling-Partial Least Squares (SEM-PLS) with a sample of 196 respondents, utilizing non-probability purposive sampling. The research findings indicate a positive and significant impact of social interaction and online trust on purchase intention, as well as a positive and significant impact of social interaction on online trust. Furthermore, it was found that the influence of online trust on purchase intention in Tiktok Shop is higher compared to Instagram Shop, while the influence of social interaction on purchase intention in Tiktok Shop is lower compared to Instagram Shop.
Keyword: social commerce, online trust, purchase intention, social interaction

Judul: Analisis Live Streaming Shopping TikTok terhadap Customer Trust dan Customer Engagement serta Dampaknya pada Purchase Intention
Abstrak: Pandemi Covid-19 menyebabkan pengguna media sosial di Indonesia meningkat. Adanya peningkatan pengguna media sosial menjadikan peluang bagi pelaku usaha untuk memasarkan bisnisnya. TikTok Shop merupakan salah satu scommerce yang memudahkan para penggunanya untuk berbelanja pada aplikasi tersebut tanpa harus berganti aplikasi. Salah satu fitur yang dimiliki TikTok Shop adalah Live Streaming. Konsumen masih belum sepenuhnya percaya dengan toko online karena maraknya kasus penipuan. Oleh karena itu, penelitian ini bertujuan untuk menganalisis live streaming shopping terhadap customer trust, customer engagement, dan purchase intention terhadap masyarakat Indonesia. Metode pengambilan sampel menggunakan purposive sampling yang melibatkan 647 responden. Pengolahan data pada penelitian ini menggunakan SEM-PLS. Hasil yang didapatkan adalah live streaming shopping memiliki pengaruh positif signifikan terhadap customer trust, customer engagement, dan purchase intention.
Keyword: customer engagement, customer trust, live streaming shopping, purchase intention

Judul: Pengujian Virus Newcastle Disease Gen VII Isolat Lapang Sebagai Virus Standar Pada Uji Tantang Vaksin
Abstrak: This study was conducted to determine the standard of Newcastle disease virus Gene VII field isolate as a virus challenge to vaccine test. A virus suspension that has previously been tested by HA test then titrated with EID50 using 30 Specific Pathogen Free (SPF) of 10 day old chicken embryonated eggs. In addition, chicken lethal dose50 (CLD50) test were used to determine the virus titer that could cause 50% death of the chicken population. The CLD50 test was used 25 day-old-chickens (DOC) divided into 5 groups. The virus was diluted from 10-1 to 10-8. The 104 to 10-8 dilution of NDV was infected to every group of chicken via eyedrop and intranasal with 0.1 ml/chicken dosage. Haemagglutination test showed that the allantoic fluid were contain high titers of NDV is 512 HAU. The infective NDV that had been titrated by EID50 test showed the virus titers is 109 EID50/0.1 ml or 1010 EID50/ml and the virus titers of CLD50 test e.i 106.48 CLD50/0.1 ml or 107.48 CLD50/ml. These results can be concluded that the NDV Gene VII field isolates were most appropriate to be used as a standard virus to vaccine test
Keyword: Newcastle Disease Virus Gene VII, HA tes, EID50 test, CLD50 test