Judul: The Influence of Celebrity Endorsement, Social Media Marketing and Brand Image Towards Purchase Intention of Scarlett Whitening Products
Abstrak: Seiring bertambahnya pengusaha yang bergabung dalam industri skincare di Indonesia, maka persaingan bisnis skincare akan semakin tinggi. Perusahaan harus membuat strategi dalam menjalankan usahanya, agar dapat bersaing di pasar. Penelitian ini bertujuan untuk menganalisis dimensi celebrity endorsement, social media marketing, dan brand image yang paling berpengaruh terhadap purchase intention produk Scarlett Whitening serta mengidentifikasi karakteristik responden. Penelitian ini menetapkan sampel sebanyak 190 responden yang berdomisili di Jabodetabek sebagai populasi. Teknik penentuan sampel menggunakan metode non-probability sampling jenis quota sampling. Hasil penelitian menyatakan bahwa variabel celebrity endorsement tidak berpengaruh terhadap purchase intention, sedangkan variabel social media marketing serta brand image berpengaruh terhadap purchase intention., As more entrepreneurs join the skincare industry in Indonesia, the skincare business competition will be even higher. Companies must make strategies in running their business, in order to compete in the market. This research aims to analyze the dimensions of celebrity endorsement, social media marketing, and brand image that most influence the purchase intention of Scarlett Whitening products and identify the characteristics of the respondents. This research sets a sample of 190 respondents who live in Jabodetabek as the population. The method of sampling technique was non-purposive sampling with its quota sampling type. The results of this research stated that the variable of celebrity endorsement had not an effect on purchase intention, while variables of social media marketing and brand image had an effect on purchase intention.
Keyword: Brand Image, Celebrity Endorsement, Purchase Intention, Social Media Marketing

Judul: Pengaruh Brand Awareness, Brand Association, Perceived Quality, dan Brand Loyalty terhadap Purchase Intention Produk Skincare
Abstrak: Percepatan ekspansi pasar di industri perawatan kulit (skincare) membuat pemasar dihadapkan dengan salah satu kondisi bagaimana mendorong minat beli konsumen untuk meningkatkan penjualan produk perawatan kulit (skincare). Salah satu upaya untuk mendorong minat beli konsumen yaitu dengan meningkatkan kekuatan merek atau brand equity dari suatu produk. Tujuan dari penelitian ini yaitu menganalisis pengaruh brand awareness, brand association, perceived quality, dan brand loyalty terhahap purchase intention produk skincare. Data yang didapatkan pada penelitian ini adalah data primer (kuesioner) dengan jumlah responden sebanyak 257 orang dan data sekunder (studi literatur) seperti jurnal, buku, dan artikel terkait. Metode yang digunakan dalam penelitian ini adalah analisis deskriptif dan Structural Equation Modelling-Partial Least Score (SEM-PLS). Penelitian ini menjelaskan bahwa brand association dan brand loyalty memiliki pengaruh yang positif dan signifikan terhadap purchase intention. Sedangkan brand awareness dan perceived quality memiliki pengaruh positif namun tidak signifikan terhadap purchase intention., The acceleration of market expansion in skincare industry made marketers faced with the conditions of how to encourage consumer buying interest to increase sales of skincare products. One of the efforts to encourage consumer buying interest is by increasing the brand equity of a product. The purpose of this study is to analyze the effect of brand awareness, brand association, perceived quality, and brand loyalty on purchase intention of skincare products. The data obtained in this study are primary data (questionnaires) with total of 257 respondents and secondary data (literature studies) such as journals, books, and related articltes. The method used in this research is descriptive analysis and Structural Equation Modelling-Partial Least Score (SEM-PLS). The results explained that brand association and brand loyalty have a positive and significant influence on purchase intention. At the same time, brand awareness and perceived quality variables have a positive but not significant effect on purchase intention.
Keyword: brand awareness, brand loyalty, brand association, perceived quality, purchase intention, skincare

Judul: Approximation of the Median of Poisson Distribution Using the Relation of Poisson-Gamma Distribution
Abstrak: A major drawback of median is that median cannot usually be defined in closed form, even in the cases where their distribution functions are known. This study gives an approximation of the closed form for the median of the Poisson distribution by using the relation of Poisson-Gamma distribution. The approximation uses elementary techniques based on the monotonicity of certain sequences involving tail probabilities of the Poisson distribution and the Central Limit Theorem. Furthermore, a closed form expression for the mean absolute deviation 􀜧|􀜰􀰒 􀵆 􀜯􀝁􀝀􁈺􀜰􀰒􁈻| is also studied. The median is relevant because of the fact that it minimizes the mean absolute deviation of a Poisson random variable (􀜰􀰒􁈻 by considering median as central tendency.
Keyword: