Penelitian ini bertujuan untuk mengetahui dan menganalisis model empiris online trust dan repeat purchase pelanggan Terhadap Situs E-Commerce (Studi Kasus pada Pelanggan E-Commerce di Kota Medan). Penelitian ini menggunakan pendekatan penelitian eksplanatori. Skala pengukuran variabel menggunakan Skala Ordinal dengan teknik pengukuran variable menggunakan skala Likert. Populasi dalam penelitian ini adalah masyarakat kota Medan. Metode pengambilan sampel dilakukan dengan metode Purposive sampling (judgmental) dan snowball sampling. Kriteria pemilihan sampel dalam penelitian ini adalah masyarakat kota Medan yang pernah berkunjung dan melakukan transaksi di e-commerce yang ada di Indonesia lebih dari 3 kali. Teknik pengumpulan data yang digunakan yaitu wawancara, kuesioner (angket) dan studi pustaka. Metode analisis data yang digunakan adalah Model Persamaan Struktural (Structural Equation Model). Hasil penelitian menunjukkan bahwa Web Quality, Perceived Risk, dan Online Trust berpengaruh signifikan terhadap Repeat Purchase, begitu juga Web Quality dan Perceived Risk berpengaruh signifikan terhadap online trust. Web Quality berpengaruh terhadap Repeat Puchase melalui variabel Online Trust, dan Perceived Risk berpengaruh terhadap Repeat Purchase melalui variabel Online Trust.
Operations Research is a quantitative decision-making course, which is formed in a mathematical model by allocating limited resources, so that the goal is optimal. The purpose of this study was to determine students' perceptions of Operations Research learning during the covid-19 pandemic in order to apply the Realistic Mathematics Educations approach in developing Operations Research teaching materials. The research method was conducted by questionnaire with the number of respondents as many as 91 college students. The results showed that the students' perceptions of Operations Research learning with indicators of feeling of pleasure, feeling of interest, general impact, and motivation, were in the high category with percentages of 42,86%, 62,64%, 42,86%, and 51,65%. Based on the results of the study, this can increase resources, both qualified lecturers and students and the realization of quality higher education to produce graduates who are knowledgeable, educated, and skilled. Thus, there are several factors that must be improved, such as the availability of facilities, lecturers, learning materials presented using video as an application of the model in the real life, and field studies.
This study aims to provide information about the factors associated with the incidence of malnutrition and can prevent it and can provide input to the government in improving health programs to achieve maximum goals so as not to decrease the productivity of labor towards the quality of human resources in the masses to come. This research is a basic research (basic research). The population in this study is the Medan city community Medan Tembung Subdistrict with a sample of 32 families who received PMT and for Takengon city Silih Nara Subdistrict with 41 families who received PMT, the sampling method was done by purposive sampling (judgmental) and snowball sampling methods. Data collection techniques used were interviews, questionnaires (questionnaire) and literature study. The analytical method used is comparative analysis with unequal treatment. The results showed that there were differences in the nutritional status of children under five in Medan Tembung Subdistrict, Medan city with Silih Nara Takengon Subdistrict. Keywords:, Supplementary Food Program (PMT), Nutritional Status, Household Income. AbstrakPenelitian ini bertujuan untuk memberikan informasi tentang faktor-faktor yang berhubungan dengan kejadian gizi buruk, dan dapat mencegahnya sehingga dapat memberikan masukan pada pemerintah dalam meningkatkan program kesehatan untuk mecapai tujuan yang maksimal agar tidak terjadinya penurunan produktivitas tenaga kerja terhadap khualitas SDM di massa yang akan datang. Penelitian ini merupakan penelitian dasar (basic research). Populasi dalam penelitian ini adalah masyarakat kota Medan kecamatan Medan Tembung dengan sampel 32 keluarga yang mendapatkan Program Pemberian Makanan Tambahan (PMT) dan untuk Takengon Kecamatan Sirih Nara 41 keluarga yang mendapatkan PMT, Metode pengambilan sampel dilakukan dengan metode Purposive sampling (judgmental) dan snowball sampling. Teknik pengumpulan data yang digunakan yaitu wawancara, kuesioner (angket) dan studi pustaka. Metode analisis yang digunakan adalah analisis komparatif dengan perlakuan yang tidak sama. Hasil penelitian menunjukkan bahwa adanya perbedaan status gizi balita di Kecamatan Medan Tembung kota Medan dengan Kecamatan Silih Nara Takengon. Kata kunci: Program Makanan Tambahan (PMT), Status Gizi, Pendapatan Rumah Tangga.
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