Judul: Analysis of the Effect of Utilitarian and  Hedonic Attributes on Impulse Buying with Cognitive and Affective Attitude
Abstrak: Pengguna internet di Indonesia tahun demi tahun mengalami peningkatan dari tahun ke tahun. Perkembangan tersebut membuat masyarakat menggunakan paylater menjadi salah satu jenis fintech technology yang sering digunakan oleh masyarakat. Saat konsumen berbelanja online, terdapat tiga jenis atribut, diantaranya, atribut utilitas, dan atribut hedonis. Atribut utilitas ini dapat memengaruhi perilaku konsumen yang merujuk pada cognitive attitude dan atribut hedonis ini berhubungan dengan persepsi konsumen mengenai utilitas dan fungsi dari sebuah objek yang merujuk pada sikap afektif. Cognitive dan affective attitude ini memiliki hubungan timbal balik yang dapat memungkinkan perilaku pembelian impulsif. Oleh karena itu, peneliti ingin menganalisis pengaruh utilitarian dan hedonic attributes terhadap perilaku impulse buying pada pengguna paylater di jabodetabek dengan pendekatan cognitive dan affective attitude. Penelitian ini menggunakan sampel sebanyak 235 responden pengguna paylater di Jabodetabek. Sampel penelitian ditentukan menggunakan metode non-probability sampling. Selanjutnya, hasil penelitian dianalisis menggunakan analisis deskriptif dan Structural Equation Modeling-Partial Least Squares (SEM-PLS)., Internet users in Indonesia are increasing year by year. This development makes people use paylater as one type of fintech technology that is often used by the public. When consumers shop online, there are three types of attributes, including utility attributes and hedonic attributes. These utility attributes can influence consumer behaviour which refers to cognitive attitude and these hedonic attributes relate to consumer perceptions of the utility and function of an object which refers to affective attitude. This cognitive and affective attitude has a reciprocal relationship that can enable impulsive buying behaviour. Therefore, researchers want to analyse the effect of utilitarian and hedonic attributes on impulse buying behaviour in paylater users in Jabodetabek with a cognitive and affective attitude approach. This study used a sample of 235 paylater user respondents in Jabodetabek. The research sample was determined using non probability sampling method. Furthermore, the research results were analysed using descriptive analysis and Structural Equation Modeling-Partial Least Squares (SEM-PLS).
Keyword: affective attitude, cognitive attitude, hedonic attributes, impulsive  buying, utilitarian attributes

Judul: Analysis of Perceived Ease of Use and Attitudes of  Paylater Users in Jabodetabek Based on Consumer Characteristics
Abstrak: Paylater merupakan salah satu tren financial technology yang menawarkan layanan pembayaran secara mencicil. Semakin bertambahnya pengguna paylater dan tawaran kemudahan membuat paylater disukai penggunanya. Tujuan penelitian ini yaitu untuk menganalisis hubungan dan pengaruh karakteristik konsumen dan persepsi kemudahan terhadap sikap pengguna paylater di Jabodetabek. Penelitian ini menggunakan pendekatan kuantitatif dengan desain cross sectional dan non probability sampling sebagai teknik penentuan contoh. Jumlah responden pada penelitian ini yaitu 278 orang yang merupakan pengguna paylater dengan domisili Jabodetabek dan berusia minimal 17 tahun. Pengolahan data dilakukan menggunakan Microsoft Excel, SPSS 26, dan SmartPLS. Responden penelitian ini didominasi oleh usia Generasi Z, berjenis kelamin perempuan, berstatus lajang, pelajar, dan berpendapatan kurang dari Rp2.000.000. Ditemukan bahwa jenis kelamin, pendidikan, status pernikahan, dan pendapatan berhubungan dengan persepsi kemudahan. Terdapat pengaruh positif signifikan pendapatan terhadap persepsi kemudahan dan kemudian persepsi kemudahan terhadap sikap., Paylater is one of the financial technology trends that offers payment services in installments. The increasing number of paylater users and the offer of convenience make paylater favored by its users. This study aims to analyze the relationship and influence of consumer characteristics and perceived ease of use (PEOU) on the attitudes of paylater users in Jabodetabek. This study uses a quantitative approach with a cross-sectional design and non-probability sampling as the sample determination technique. The total of respondents was 278 people who were paylater users that lived in Jabodetabek and at least 17 years old. Data processing was carried out using Microsoft Excel, SPSS 26, and SmartPLS. Respondents were dominated by Z Generation, female, single, student, and had an income of less than IDR2.000.000. It was found that sex, education, marital status, and income were correlated with PEOU. The PLS test shows that income is positively correlated to PEOU.
Keyword: attitude, consumer behavior, financial technology, paylater, perceived ease of use

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