Universitas Sriwijaya (UNSRI): E-Journal
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    Analisis Makroekonomi Terhadap Return Saham dalam 50 Besar Kapitalisasi Pasar Terbesar

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     ABSTRAK Tujuan penelitian – Tujuan penelitian untuk menganalisis pengaruh dari Dow Jones Industrial Average, Inflasil, BI Rate, dan Kurs Rupiah terhadap Return Saham Top 50 Biggest Market Capitalization di Bursa Efek Indonesia dari tahun 2010 hingga 2020, baik secara parsial maupun simultan. Desain/Metodologi/Pendekatan – Berdasarkan teknik pengambilan sampel, diperoleh 18 perusahaan yang memenuhi kriteria sebagai sampel. Teknik analisis data yang digunakan ialah analisis regresi linier berganda data panel dengan beberapa pengujian, termasuk adanya uji stasioneritas ADF unit root test agar data yang digunakan stasioner dan terhindar dari hasil regresi lancung (spurious regression). Temuan – Berdasarkan hasil penelitian dapat disimpulkan bahwa secara parsial variabel Dow Jones berpengaruh positif dan signifikan terhadap return saham. Inflasi berpengaruh positif dan signifikan terhadap return saham. BI Rate berpengaruh negatif dan signifikan terhadap return saham. Kurs Rupiah berpengaruh negatif dan signifikan terhadap return saham. Secara simultan, Dow Jones, Inflasi, BI Rate, dan Kurs Rupiah berpengaruh terhadap return saham. Keterbatasan penelitian – Sebagian data perdagangan saham yang dibutuhkan tidak tersedia. Hal ini mengakibatkan keterbatasan variabel yang diteliti dan waktu penelitian. Originality/value – Artikel ini fokus mengeklopresisasi 50 saham berkapitalisasi pasar terbesar yang memiliki karakteristik unik di Bursa Efek Indonesia. Investor baru yang hendak menentukan pilihan investasinya cenderung memilih saham yang memiliki kapitalisasi besar. Keywords : Dow Jones Industrial Average, Inflasi, BI Rate, Kurs Rupiah, Return Saham, Saham Big Cap, Saham Blue Chip

    Pengaruh Metode Latihan Pull Up Dan Metode Latihan Single Rope TechniqueTerhadap Hasil Pemanjatan Lead Atlet Sport Climbing

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    Pull up dan metode latihan SRT merupakan variasi latihan yang sering digunakan pada sport climbing Tujuan penelitian ini untuk mengetahui latihan tersebut terhadap hasil pemanjatan lead atlet di kota Palembang. Penelitian eksperimen semu yang digunakan dalam metode penelitian ini.  Sampel pada penelitian ini berjumlah 40 orang, kemudian dari sampel tersebut dilakukan Pretest. Latihan yang diberikan pada penelitian ini adalah latihan Pull Up dan SRT (Single Rope Teknik). Setelah di berikan perlakuan selama 6 minggu dua kelompok tersebut akan dilakukan Posttest. Untuk pengujian hasil dari panjatan atlet sport climbing menggunakan tes pemanjatan yang telah divalidasi oleh pakar olahraga sport climbing, pelatih, dan akademis. Langkah analisis pada penelitian ini pengujian hipotesis. Uji-T untuk mengetahui berapa besar pengaruh latihan kekuatan terhadap hasil pemanjatan atlet sport climbing. Hasil penelitian menunjukkan bahwa terdapat pengaruh yang Signifikan hasil uji statistik variable latihan, diperoleh nilai uji-t antara pretest dan posttest latihan yang diketahui bahwa nilai Sig. kelompok 1 (2-tailed) 0.00< 0.05 maka terdapat perbedaan yang signifikan antara pre-test post-test latihan pull Up. Sedangkan nilai sig. kelompok 2 (2-tailed) 0.00< 0.05 maka terdapat perbedaan yang signifikan antara pre-test dan post-test latihan SRT (Single Rope Teknik). Dengan demikian, variasi model latihan kekuatan Pull Up dan latihan SRT (Single Rope Teknik) sama-sama memberikan peningkatan yang signifikan terhadap hasil pemanjatan atlet sport climbing

    Analisis kebutuhan alat ukur power otot tungkai berbasis aplikasi

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    Penelitian ini merupakan penelitian awal untuk pengembangan sebuah alat ukur power otot tungkai dengan sistem informasi menggunakan alat bantu sensor lidar yang langsung terkoneksi dengan aplikasi. Penelitian ini merupakan penelitian survei dengan menggunakan non-structural questionnaire. Enam pernyataan disusun pada kuesioner penelitian ini untuk mengetahui seberapa besar kebutuhan akan pengembangan alat tes vertical jump berbasis aplikasi. Hasil penelitian menunjukkan bahwa mayoritas responden mengalami kesulitan dalam menggunakan alat ukur vertical jump konvensional dan hanya sebagian kecil responden yang menyatakan alat ukur tersebut sangat akurat. Seluruh responden yang terlibat dalam penelitian ini setuju jika alat pengukur tinggi vertical jump dikembangkan dan di modernisasi dari manual menjadi aplikasi. Hasil penelitian ini akan digunakan sebagai bahan pertimbangan untuk mengembangkan alat ukur vertical jump yang memiliki tingkat validitas yang baik dan mudah digunakan

    Improved Service Learning Outcomes Using D'volleyball Learning Application

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    This study aims to determine the improvement of service learning outcomes for high school students using the D'Volleyball Learning Application learning media at Senior High School No 1 Indralaya Utara. This learning application can be accessed via the link https://play.google.com/store/apps/details?id=com.dvolleyball.learning or on the play store by searching for D'Volleyball Learning Application. This D'Volleyball Learning Application contains various features regarding volleyball game material, assignments, learning videos, and assessments. This study uses a classroom action research method, with the number of research subjects as many as 22 class XII students at Senior High School No1 Indralaya Utara. This research uses the type of classroom action research conducted in two cycles. Data collection techniques used in this study were tests and observations. Each cycle has four stages, namely planning, implementation, observation, and reflection. The research subjects were 22 students including 10 female students and 12 male students. The results in this classroom action research obtained data on the initial conditions or pre-cycle of 36.4% of students completed, and 63.6% incomplete, then the results of the first cycle of student learning outcomes amounted to 63.6% with complete criteria, and amounted to 36.6% did not complete, then the results of the research in cycle 2 increased by 36.6% so that all students completed learning in cycle 2. So the conclusion is that the D'Volleyball Learning Application can improve the service learning outcomes of volleyball for class XII students at Senior High School No 1 Indralaya Utara

    The relationship between physical activity and diet on Body Mass Index of elementary school students

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    Physical activity and diet are factors that affect nutritional status, excessive energy intake and not being balanced by physical activity will certainly increase the risk of having underweight, which is not ideal. This study aimed to determine the relationship between physical activity and diet on the BMI of SDN 2 Polobogo students. The research method is analytic observational with a cross-sectional design. The research population is students of SDN Polobogo 2 Class IV-VI. The sample in this study amounted to 40 students. The instrument in this study used the SQ-FFQ questionnaire, the PAQ-C questionnaire, and the measuring instrument for height and weight. Data analysis technique using pearson correlation test, which continued with multiple linear regression. This study's results indicate a significant effect between physical activity and diet on the BMI of grade 4-6 students at SDN Polobogo 2, Semarang Regency. It can be seen that physical activity and diet together have a positive effect on students' BMI. It can be concluded that physical activity and diet are significantly related to the BMI of students in grades 4-6 SDN Polobogo 2 Semarang Regenc

    THE INFLUENCE OF FINANCIAL LITERACY, PARENTS' SOCIO-ECONOMIC STATUS, AND LIFESTYLE ON CONSUMPTIVE BEHAVIOR OF ADOLESCENTS

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    Consumptive behavior of adolescents causes them not to thought long in bought things that were not really needed. The purpose of this study was to find out (1) the consumptive behavior of junior high school students, and (2) the influence of financial literacy, socio-economics, and lifestyle on the consumptive behavior of junior high school adolescents. Where this research uses a quantitative approach with the ex post facto method with a total sample of 36 students. Collecting data using tests, questionnaires and documentation and questionnaires. Data analysis used multiple linear regression. The results of the descriptive analysis showed that the level of adolescent consumptive behavior was 64% having moderate consumptive behavior, 22% adolescents having consumptive behavior in the high category, and 14% in the low category. The results showed that there was a significant influence between financial literacy, socioeconomic and lifestyle on consumptive behaviorPerilaku konsumtif remaja mengakibatkan remaja tidak berpikir panjang dalam membeli barang yang sebenarnya tidak dibutuhkan. Tujuan penelitian ini adalah untuk mengetahui (1) perilaku konsumtif pada remaja siswa Sekolah Menengah Pertama (SMP) dan (2) pengaruh literasi keuangan, sosial ekonomi, dan gaya hidup terhadap perilaku konsumitf remaja Sekolah Menengah Pertama. Dimana penelitian ini dengan menggunakan pendekatan kuantitatif dengan metode ex post facto dengan jumlah sampel penlitian yaitu 36 siswa. Pengumpulan data menggunakan tes, kuesioner dan dokumentasi. Analisis data menggunakan regresi linear berganda. Hasil analisis deskriptif menunjukkan bahwa tingkat perilaku konsumtif remaja adalah 64% memiliki perilaku konsumtif sedang, 22% remaja memiliki perilaku konsumtif kategori tinggi, dan 14% kategori rendah. Hasil penelitian menunjukan bahwa terdapat pengaruh yang signifikan antara literasi keuangan, sosial ekonomi dan gaya hidup terhadap perilaku konsumtif

    THE FLOURISHING LEVEL AND WILLINGNES TO SPEAK ENGLISH OF ENGLISH LANGUAGE DEPARTMENT STUDENTS

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    Having a high level of emotional, psychological, and social well-being is the definition of flourishing. The role of flourishing has also started to be studied in the field of education The goals of this study were to determine the relationship and contribution between students' flourishing levels and their willingness to speak (WTS). In this study, 73 sixth-semester students of English language department of a state university in South Sumatera were were chosen as a sample using the purposive sampling approach. To collect data, two types of questionnaires are used: (1) the Flourishing Scale (FS) Questionnaire and (2) the Willingness to Speak (WTS) Questionnaire. The Pearson correlation coefficient was utilized to investigate the relationship between student flourishing and WTS, while the regression coefficient was employed to determine the contribution. The data revealed that flourishing and WTS were moderately and positively associated. The largest contribution that came from the students' flourishing levels was 21.4%

    ISOLASI DAN PURIFIKASI SENYAWA ANTIOKSIDAN PADA DAUN MANGROVE Avicennia alba DARI KAWASAN MUARA SUNGAI MUSI KABUPATEN BANYUASIN

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    Antioksidan adalah suatu senyawa kimia yang dapat melindungi sel tubuh dari kerusakan yang disebabkan oleh radikal bebas. Antioksidan berdasarkan sumbernya terbagi menjadi dua, yaitu antioksidan alami yang berasal dari tumbuhan dan antioksidan sintetis yang terbuat dari bahan kimia. Antioksidan alami diperoleh dari tumbuhan seperti daun mangrove dan menjadi alternatif yang berpotensi untuk dikembangkan sebagai pengganti antioksidan sintetik. Kawasan Muara Sungai Musi didominasi oleh hutan mangrove salah satunya adalah mangrove Avicennia alba karena letaknya yang berada di pertemuan antara air tawar dan air laut sehingga salinitas di sekitarnya cukup tinggi dan tergolong ekosistem estuaria (perairan payau). Tujuan dari penelitian ini adalah untuk mengetahui dan menganalisis potensi aktivitas senyawa antioksidan secara kualitatif dan kuantitatif ekstrak kasar dan setelah isolasi dari daun mangrove A. alba. Metode pengujian akivitas antioksidan menggunakan reduksi DPPH, sedangkan metode isolasi yang digunakan adalah kromatografi kolom (KKG) dan kromatografi lapis tipis (KLT). Hasil aktivitas antioksidan dari beberapa konsentrasi uji secara kualitatif pada ekstrak kasar dan isolat terjadi perubahan warna dari ungu menjadi kuning sehingga memiliki potensi antioksidan. Sedangkan hasil analisis secara kuantitatif ekstrak kasar memiliki potensi yang tinggi pada ekstrak metanol berdasarkan nilai IC50 dengan 78 ppm dan setelah diisolasi ekstrak metanol tersebut menunjukkan potensi antioksidan yang sangat kuat pada fraksi 9 dengan nilai IC50 sebesar 40 ppm.Kata kunci: Antioksidan, A. alba, Muara Sungai Musi, IC50

    Student Worksheet Development Using the PMRI Approach in the Classroom Context with an Orientation toward Students’ Conceptual Understanding

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    This research aimed to produce a valid and practical product in the form of a student worksheet using the Indonesian version of the Realistic Mathematics Education (PMRI) approach in the classroom context with an orientation toward students’ conceptual understanding and to figure out the potential effect of the student worksheet developed. It is a piece of development research under the ADDIE (Analysis, Design, Development, Implementation, and Evaluation) model. Data collection was performed using documentation, a questionnaire, and a test. The object of this research was the development of a student worksheet using the PMRI approach within the classroom context with an orientation toward students’ conceptual understanding. Meanwhile, the subjects of the research were students of grade X of SMAN 06 Banyuasin. The research results showed that the student worksheet produced was declared valid (with an average score of 90.83), practical (based on the students’ questionnaire responses, with a score of 79.65), and potentially influential to a high degree (based on the students’ test results, with a percentage of 84%). Therefore, the student worksheet that was developed using the PMRI approach within the classroom context with an orientation toward students’ conceptual understanding was worth using in the learning process

    Karakteristik Kimia dan Sensori Ikan Tongkol Asap Asal Pulau Jemaja, Kabupaten Kepulauan Anambas

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    The Anambas Islands have many unique traditional products derived from marine products. One of the famous traditional products is smoked tuna. This study aims to determine the chemical characteristics of smoked tuna processed by smoked fish craftsmen on Jemaja Island, Anambas Islands Regency. This research was divided into three stages, identifying the type of raw materials used, sensory analysis, and proximate analysis. The raw material for smoked tuna is known to come from two types of fish, namely Auxis thazard and Thunnus tonggol. The sensory analysis results with the parameters of appearance, aroma, taste, and texture of smoked tuna from the two raw materials were not significantly different for all parameters. These results are the same as the proximate analysis values which consist of testing the water, ash, fat, protein, and carbohydrate content. Based on the overall results of smoked tuna made from Auxis thazard and Thunnus tonggol it is still by the applicable SNI 2725:2013, except moisture content

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