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All Journal TOTOBUANG MATEMATIKA DAN PEMBELAJARAN Biosel: Biologi Science and Education
Yusrianti Hanike
IAIN Ambon
Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Computer Science & IT Decision Sciences, Operations Research & Management Education Energy Environmental Science Languange, Linguistic, Communication & Media Mathematics

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Modifikasi Model Analisis Structural Equation Model (Sem) pada Reaksi Pasar di Perusahaan Bursa Efek Indonesia Melalui Modification Indices Yusrianti Hanike; Damirah Damirah
MATEMATIKA DAN PEMBELAJARAN Vol 6, No 2 (2018): MATEMATIKA DAN PEMBELAJARAN
Publisher : IAIN Ambon

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33477/mp.v6i2.665

Abstract

Abstrak Pergerakan reaksi pasar dan rasio keuangan beserta Economic Value Added menjadi topik hangat terutama dengan berkembangnya pasar modal di tanah air. Melalui SEM, model yang dihasilkan mampu mengkontruks indikator-indikator rasio keuangan terhadap pergerakan saham. SEM merupakan pemodelan kuantitatif faktor-faktor yang menunjukkan hubungan sebab akibat antara beberapa faktor dependen dan independen melalui indikator-indikatornya. Analisis SEM merupakan kombinasi dari analisis faktor (Confirmatory Factor Analysis), analisis jalur (Path Analysis) dan analisis regresi. Untuk mendapatkan model yang lebih baik, maka analisis ini dipadukan dengan mengkorelasikan error berdasarkan Modification indices. Modification indices akan mengakibatkan terjadinya penurunan Chi-square serta terjadi perubahan nilai CMINDF dan RMSEA menjadi semakin baik. Begitupula pada p-value, GFI, dan TLI. Sehingga dapat disimpulkan bahwa pengaruh korelasi antar measurement error dalam variabel rasio keuangan dalam variabel reaksi pasar dan antar variabel EVA mengakibatkan perubahan yang signifikan pada kebaikan model. Kata Kunci: Reaksi pasar, modification indices, SEM Abstract Market reaction movements and financial ratios and also the Economic Value Added are becoming hot topics, especially with the development of capital markets in the our country. Through SEM, the resulting model is able to construct indicators of financial ratios to stock movements. SEM is a quantitative modeling of factors that show a causal relationship between several dependent and independent factors through its indicators. SEM analysis is a combination of factor analysis (Confirmatory Factor Analysis), path analysis (Path Analysis) and regression analysis. To get a better model, this analysis is combined by correlating errors based on Modification indices. Modification indices will cause a decrease in Chi-square and changes in CMINDF and RMSEA values will be better. Likewise on p-value, GFI, and TLI. So that it can be concluded that the effect of the correlation between measurement errors in financial ratio variables in the market reaction variable and between EVA variables resulted in a significant change in the goodness of the model.
Kandungan Logam Berat Timbal (Pb) Dan Kadmium (Cd) Pada Air, Sedimen Dan Organ Mangrove Di Perairan Tulehu NUR ALIM NATSIR; YUSRIANTI HANIKE; MUHAMMAD RIJAL; SUHAEDIR BACHTIAR
BIOSEL (Biology Science and Education): Jurnal Penelitian Science dan Pendidikan Vol 8, No 2 (2019): BIOSEL (Biology Science and Education): Jurnal Penelitian Science dan Pendidikan
Publisher : INSTITUT AGAMA ISLAM NEGERI AMBON

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (302.63 KB) | DOI: 10.33477/bs.v8i2.1144

Abstract

Differences in the accumulation of heavy metals lead and cadmium in water, sediments and mangrove organs (roots, stems and leaves) found in the waters of Tulehu, Maluku Province. Samples were taken from three observation stations, namely stopping ships that are not operating (station 1), Tulehu harbor (station 2) and Control (station 3). Pb and Cd were analyzed using Atomic Absorption Spectrophotometer. Pb and Cd content in sediments is higher than in water. The highest Pb and Cd content is found in the stems then in the roots and leaves (stems> roots> leaves). Mangroves are one of the aquatic organisms that have the ability to absorb heavy metals in the aquatic environment. Key words: Mangrove, Pb, Cd, Heavy Metal
PENGARUH METODE PEMBELAJARAN QUANTUM WRITING TERHADAP KEMAMPUAN MENULIS KARANGAN DESKRIPSI SISWA KELAS XI SMA NEGERI 2 PANCA RIJANG [The Effect of Quantum Writing Learning Methods on The Ability of Writing Description Essay for Grade XI Students of Senior High School 2 Panca Rijang] Aria Bayu Setiaji; Andi Masniati; Yusrianti Hanike
TOTOBUANG Vol. 7 No. 2 (2019): TOTOBUANG, EDISI DESEMBER 2019
Publisher : Kantor Bahasa Provinsi Maluku

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26499/ttbng.v7i2.147

Abstract

Penelitian ini dilatar belakangi oleh permasalahan pada aspek kemampuan ketrampilan menulis karangan deskripsi siswa kelas XI SMA Negeri 2 Panca Rijang. Permasalahan tersebut antara lain (1) siswa kurang merespon pembelajaran menulis karangan deskripsi, (2) siswa mengalami kesulitan dalam mendeskripsikan suatu objek atau peristiwa dalam betuk karangan, (3) Guru tidak mengnakan metode pembelajaran yang inovatif guna untuk merangsan dan mengembangkan kemampuan siswa dalam menulis, (4) Siswa kurang sadar akan pentingnya mempelajari karangan deskripsi. Penelitian ini adalah penelitian infrensial yang bertujuan untuk mengetahui ada atau tidak adanya pengaruh pengunaan metode Quantum Writing terhadp hasil belajar siswa pada kemampuan menulis karangan deskripsi siswa kelas XI SMA Negeri 2 Panca Rijang. Berdasarkan hasil penelitian, ditemukan bahwa nilai empiris lebih besar daripada nilai tabel yaitu 7,187 lebih besar daripada 2,201 pada taraf signifikan 5% dan 7,187 lebih besar dari pada 2,704 pada taraf signifikan 1% dengan db 40. Dengan perbedaan perolehan nilai tersebut maka dapat ditarik kesimpulan bahwa kemampuan siswa dalam menulis karangan deskripsi dengan menerapkan metode Quantum Writing lebih baik dari pada kemampuan siswa yang diajar dengan mengunakan metode konvensional. This research is motivated by problems in the aspects of the ability to write essays in the description of class XI students of SMA Negeri 2 Panca Rijang. These problems include (1) students are not responding to learning to write descriptive essays, (2) students have difficulty in describing an object or event in the form of essays, (3) Teachers do not use innovative learning methods in order to stimulate and develop students' abilities in writing , (4) Students are less aware of the importance of studying descriptive essays. This study is an infra-research that aims to determine the presence or absence of the influence of the use of the Quantum Writing method on student learning outcomes on the ability to write essays in class XI description of SMA Negeri 2 Panca Rijang. Based on the results of the study, it was found that the empirical value is greater than the table value of 7.187 is greater than 2.201 at a significant level of 5% and 7.187 is greater than 2.704 at a significant level of 1% with db 40. With the difference in the acquisition of these values it can be concluded that the ability students in writing description essays by applying the Quantum Writing method are better than the abilities of students taught by using conventional methods.
Co-Authors Andi Masniati Aria Bayu Setiaji Damirah Damirah Muhammad Rijal NUR ALIM NATSIR Suhaedir Bachtiar