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STUDENTS’ REVERSIBLE REASONING ON FUNCTION COMPOSITION PROBLEM: REVERSIBLE ON FUNCTION AND SUBSTITUTION Ikram, Muhammad; Purwanto, Purwanto; Parta, I Nengah; Susanto, Hery
International Journal of Insights for Mathematics Teaching (IJOIMT) Vol 1, No 1 (2018)
Publisher : Universitas Negeri Malang

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Abstract

In this paper we report students? reversible reasoning types on function composition problem. Reversible reasoning can be observed according to operation and structural correlation among input, process, and result.  There are seven students participate in doing function composition related to structural correlation in (f?g)(x)=h(x), The researchers assume that there are four types of reversible reasoning in composition problem, namely: (1) reversible on composition; (2) reversible on function; (3) reversible on substitution; (4) reversible on variables. However, there are only two appearing reversible reasoning, they are: reversible on function and reversible on substitution. Each type were selected a subject to be interviewed for 25 minutes and asked to do the Function Composition Task (FCT). Subject with reversible on function type identifies structural correlation among input, source and result as well as involving inverse in input with permissibility (f(y)) to produce basic function (f(x)). Meanwhile, subject with reversible on substitution type, constructs result based on the input, identifies structural similarity and generalizes from the structural similarity to produce basic function.
REPRESENTATION OF SCHEMATIC VISUAL IN SOLVING PYTHAGORAS’ WORDPROBLEM Suryaningrum, Christine Wulandari; Purwanto, Purwanto; Subanji, Subanji; Susanto, Hery
International Journal of Insights for Mathematics Teaching (IJOIMT) Vol 1, No 1 (2018)
Publisher : Universitas Negeri Malang

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Abstract

The aim of this article is to identify the steps which were done by the students in solving Pythagoras? word problems. This study used qualitative research by using explorative descriptive approach. The subject of this study was four students who werein seventh grade of Junior High school of Muhammadiyah 1 Jember.  The subjects givenone problem in the form of story that had to be done based on their styles.  From the result analysis of the study was found that the students tried to understand the aim of the problems by using picture, compass direction, and Pythagoras? pattern. In solving Pythagoras? word problem, the students used representation of schematic visual. In making schematic picture, the students were supposedto be consistent with compass direction. The student that isconsistent with compass direction can make the schematic picture correctly and with a picture,the student can solve the word problems by using Pythagoras? pattern correctly. The student who is inconsistent with compass direction will get difficulties in making schematic picture and not be able to solve Pythagoras? word problems correctly.
FAKTOR – FAKTOR YANG MEMPENGARUHI PEMBERIAN SUSU FORMULA PADA BAYI YANG DIRAWAT DI RUANG NIFAS RSUP PROF. DR. R. D. KANDOU MANADO Susanto, Hery; Wilar, Rocky; Lestari, Hesti
e-CliniC Vol 3, No 1 (2015): Jurnal e-CliniC (eCl)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35790/ecl.3.1.2015.6758

Abstract

Abstract: Increased formula feeding was caused by lack of knowledge about the benefits of breastfeeding, low education, aggressive promotion of infant formula, and support from health care professionals. The are several cases where the infants given formula due to several conditions, like mother is unable to produce milk, small amount of milk production, absence of nipple appearance, post-op pain, pain during breastfeeding. The following study aims to determine what factors affecting Giving Infant Formula Milk Treated in Postpartum Room Prof. Dr. R. D. Kandou Hospital Manado. This study is a descriptive design with direct interview approach. The population in this research were all treated in the maternal postpartum Prof. Dr. R. D. Kandou Hospital Manado. Conclusion: The results obtained from 50 respondents show that 66% has a good knowledge about the benefits of breastfeeding, 66% says that health care professional support given infant formula, 100% says that their closest relatives support given breastfeeding, 34% is affected the promotion of infant formula, and 34% are women without complaints of breastfeeding hindrance factor. This study recommends that mothers / parents cooperate with health care professionals cooperation in order to increase the success rate of breastfeeding.Keywords: infant formula, breastfeedingAbstrak: Meningkatnya pemberian susu formula disebabkan pengetahuan kurang mengenai manfaat ASI, pendidikan yang rendah, agresifnya promosi susu formula, dukungan petugas kesehatan. Adapun bayi yang diberikan susu formula karena beberapa kondisi ibu yang mengeluh tidak keluarnya ASI, ASI kurang, puting tidak muncul, sakit bekas operasi, nyeri saat menyusui. Penelitian ini bertujuan untuk mengetahui Faktor-Faktor Apa yang mempengaruhi Pemberian Susu Formula pada Bayi yang Dirawat di Ruang Nifas RSUP Prof Dr. R. D. Kandou Manado. Penelitian ini bersifat deskriptif dengan pendekatan wawancara langsung. Populasi dalam penelitian ini adalah seluruh ibu melahirkan dirawat di ruang nifas RSUP Prof Dr. R. D. Kandou Manado. Kesimpulan: Hasil penelitian yang diperoleh dari 50 responden diketahui bahwa 66% pengetahuan baik mengenai manfaat ASI, 66% petugas kesehatan mendukung pemberian susu formula, 100% orang terdekat mendukung pemberian ASI, 34% terpengaruh promosi susu formula, 34% kondisi ibu dengan tanpa keluhan. Penelitian ini merekomendasikan agar ibu/orang tua dengan petugas kesehatan adanya kerjasama dalam keberhasilan pemberian ASI.Kata kunci: susu formula, ASI
INFORMAL STATISTICAL REASONING OF STUDENTS TAKEN FORMAL STATISTICS LEARNING RELATED TO DISTRIBUTION Rufiana, Intan Sari; Sa'dijah, Cholis; Subanji, Subanji; Susanto, Hery; As'ari, Abdur Rahman
International Journal of Insights for Mathematics Teaching (IJOIMT) Vol 1, No 2 (2018)
Publisher : Universitas Negeri Malang

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This research aims at describing students? statistical reasoning in graphics statistics representation related to distribution. The subjects of this research were students of semester IV of Program of Study Mathematics Education of Muhammadiyah University Ponorogo who have taken a basic statistics course. These subjects were chosen because they have taken a course related to descriptive statistics which discusses graphics representation and data distribution. The data collection technique used essay test related to graphics representation. In addition, an interview was also conducted to confirm students? answer. This research finding shows that statistical reasoning of semester IV students of Mathematics Education whose statistics ability is poor belong to pre-structural level and whose statistics ability is high belong to multi-structural and relational level. The high skilled students could conclude the data with statistical reason even though they used informal terms. Students with multi-structural and relational level regard that variety is a standard showing the numbers of different data among others, not on the different value from the average. Students with relational reasoning level were able to generate graphics concluding by connecting the central tendency and distribution scale.
ANALISIS PENDAPATAN DAN KELAYAKAN USAHATANI PADI SAWAH DI DESA KARAWANA KECAMATAN DOLO KABUPATEN SIGI Susanto, Hery; Antara, Made; B., Sisfahyuni
AGROTEKBIS Vol 2, No 3 (2014)
Publisher : AGROTEKBIS

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Pembangunan pertanian pada dasarnya merupakan salah satu sistem pembangunan yang tidak kalah pentingnya dalam mendukung keberhasilan pembangunan nasional. Pembangunan sektor pertanian bertujuan untuk menumbuh kembangkan usaha pertanian di pedesaan yang akan memacu aktivitas ekonomi pedesaan, menciptakan lapangan pekerjaan dan meningkatkan kesejahteraan masyarakat menumbuhkan industri hulu, hilir dan penunjang dalam meningkatkan daya saing dan nilai tambah suatu produk pertanian.   Tujuan penelitian ini untuk : (i) mengetahui besar pendapatan usahatani padi sawah di Desa Karawana Kecamatan Dolo Kabupaten Sigi, (ii) mengetahui kelayakan usahatani padi sawah di Desa Karawana Kecamatan Dolo Kabupaten Sigi. Penentuan responden dilakukan dengan sengaja (purposive), Jumlah petani responden (sampel) yang diambil dalam penelitian ini sebanyak 30 petani padi sawah. Analisis yang digunakan dalam penelitiaan ini adalah analisis pendapatan dan analisisis kelayakan. Hasil penelitian menunjukan bahwa Pendapatan usahatani padi sawah di Desa Karawana Kecamatan Dolo Kabupaten Sigi sebesar Rp 5.724.552/Ha. Usahatani padi sawah di Desa Karawana Kecamatan Dolo Kabupaten Sigi layak diusahakan dengan nilai R/C 2,63 yang artinya bahwa setiap pengeluaran sebesar Rp 1.000,- akan menghasilkan penerimaan sebesar Rp 2.630,-.
Pengkajian Kesalahan Penalaran Analogi Siswa Pra-Kuliah dalam Memecahkan Masalah Berdasarkan Komponen Penalaran Analogi Manuaba, I Gede Beni; Sutawidjaja, Akbar; Susanto, Hery
Prosiding SI MaNIs (Seminar Nasional Integrasi Matematika dan Nilai-Nilai Islami) Vol 1 No 1 (2017): Prosiding SI MaNIs (Seminar Nasional Integrasi Matematika dan Nilai Islami )
Publisher : Mathematics Department

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Abstract

Kemampuan pemecahan masalah matematika dapat meningkat apabila siswa melakukan penalaran analogi dengan benar. Penalaran analogi terdiri dari empat komponen proses yaitu 1. identifikasi masalah sumber, 2. pemahaman struktur masalah sumber, 3. identifikasi kesesuaian struktural antara masalah target dengan masalah sumber, dan 4. adaptasi struktur masalah sumber untuk pemecahan masalah target. Kesalahan penalaran analogi banyak terjadi pada komponen kedua, ketiga dan keempat. Pada komponen kedua, siswa tidak dapat menentukan struktur masalah sumber dengan benar. Pada komponen ketiga, siswa tidak dapat menemukan kesesuaian antara struktur masalah sumber dengan struktur masalah target dan hanya fokus pada kemiripan permukaan (surface similarity) antara masalah sumber dengan masalah target. Pada komponen keempat, siswa melakukan kesalahan karena menggunakan kemiripan permukaan (surface similarity) untuk memecahkan masalah target.
SEMIOTIC REASONING EMERGES IN CONSTRUCTING PROPERTIES OF A RECTANGLE: A STUDY OF ADVERSITY QUOTIENT Suryaningrum, Christine Wulandari; Purwanto, Purwanto; Subanji, Subanji; Susanto, Hery; Ningtyas, Yoga Dwi Windy Kusuma; Irfan, Muhammad
Journal on Mathematics Education Vol 11, No 1 (2020)
Publisher : Department of Doctoral Program on Mathematics Education, Sriwijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (593.937 KB) | DOI: 10.22342/jme.11.1.9766.95-110

Abstract

Semiotics is simply defined as the sign-using to represent a mathematical concept in a problem-solving. Semiotic reasoning of constructing concept is a process of drawing a conclusion based on object, representamen (sign), and interpretant. This paper aims to describe the phases of semiotic reasoning of elementary students in constructing the properties of a rectangle. The participants of the present qualitative study are three elementary students classified into three levels of Adversity Quotient (AQ): quitter/AQ low, champer/AQ medium, and climber/AQ high. The results show three participants identify object by observing objects around them. In creating sign stage, they made the same sign that was a rectangular image. However, in three last stages, namely interpret sign, find out properties of sign, and discover properties of a rectangle, they made different ways. The quitter found two characteristics of rectangular objects then derived it to be a rectangle’s properties. The champer found four characteristics of the objects then it was derived to be two properties of a rectangle. By contrast, Climber found six characteristics of the sign and derived all of these to be four properties of a rectangle. In addition, Climber could determine the properties of a rectangle correctly.
ANALISIS KEMAMPUAN KEUANGAN DAERAH PEMERINTAH PROPINSI NUSA TENGGARA BARAT Susanto, Hery
Jurnal Organisasi dan Manajemen Vol 10 No 1 (2014)
Publisher : LPPM Universitas Terbuka

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This research aims to analyze the regional finance capability in West Nusa Tenggara province. This research uses secondary data of primary source. The data are obtained from the government of West Nusa Tenggara Province in the form of data that has been processed and published and become a legitimate document such as calculation data of APBD in Budgetary Year of 2003-2007. The instruments are used in collecting the data is the analysis of the regional finance capability through Calculation and Work Analysis of PAD, which is the measurement of share and growth, thus classified the result with mapping the financial region capability based on quadrant method. This research draws some conclusions namely: (1) generally, contribution of PAD (share) to the total region income of NTB Province TA 2003- 2007 was low, in spite of the growth of PAD was high; (2) based on the measurement of Index Financial Capability (IKK), NTB Province was in the scale index of 0,541. Furthermore, the classification based on the criteria level of regional finance capability, the regional finance capability in NTB Province in 2003 -2007 was a province with high financial capability. There are some suggestions that could be offered to the Government of NTB Province; first, improving PAD share in NTB Province through the excavation of PAD potential sources. Second, concerning with the region cost efficiency, considering that the proportion of PAD achievement was fairly small comparing to the allocation of Region Cost. Penelitian ini bertujuan untuk menganalisis kemampuan keuangan daerah di Propinsi Nusa Tenggara Barat . Penelitian ini menggunakan data sekunder dari sumber utama. Data diperoleh dari pemerintah Propinsi Nusa Tenggara dalam bentuk data yang telah diolah dan dipublikasikan dan menjadi dokumen yang sah seperti data perhitungan APBD Tahun Anggaran 2003-2007. Instrumen yang digunakan dalam pengumpulan data adalah analisis kemampuan keuangan daerah melalui Perhitungan dan Analisis Kerja PAD, yang merupakan pengukuran saham dan pertumbuhan, sehingga diklasifikasikan hasilnya dengan pemetaan kemampuan keuangan daerah berdasarkan metode kuadran. Penelitian ini menarik beberapa kesimpulan yaitu: (1) secara umum, kontribusi PAD (share) terhadap total pendapatan daerah Propinsi NTB TA 2003-2007 rendah, meskipun pertumbuhan PAD yang tinggi; (2) didasarkan pada pengukuran Kemampuan Index Keuangan (IKK), Propinsi NTB berada di indeks skala 0541. Selain itu, klasifikasi berdasarkan tingkat kriteria kemampuan keuangan daerah, kemampuan keuangan daerah di Propinsi NTB pada 2003-2007 adalah propinsi dengan kemampuan finansial yang tinggi. Ada beberapa saran yang dapat ditawarkan kepada Pemerintah Propinsi NTB; pertama, meningkatkan pangsa PAD di Propinsi NTB melalui penggalian potensi sumber PAD. Kedua, menyangkut dengan efisiensi biaya daerah, mengingat proporsi pencapaian PAD ini cukup kecil dibandingkan dengan alokasi biaya daerah
PENGARUH LAYANAN AKADEMIK TERHADAP KEPUASAN MAHASISWA PROGRAM PASCASARJANA UNIVERSITAS TERBUKA PADA UNIT PROGRAM BELAJAR JARAK JAUH (UPBJJ) MATARAM Susanto, Hery
Jurnal Pendidikan Terbuka Dan Jarak Jauh Vol 15 No 2 (2014)
Publisher : LPPM Universitas Terbuka

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This research is aimed at analyzing the influence of academic service quality to the satisfaction of Master Degree Program (PPs) - Open University (UT) in the distance study unit program (UPBJJ) Mataram. The data were subsequently analyzed by double linear regression. This research finding showed that, partially the indicator of reliability dimension, responsiveness, and assurance were not influenced significantly by the students satisfaction. It was caused by the Master Degree Program UT in UPBJJ Mataram has not provided a service that is expected by the students. Otherwise the indicator of tangibles and empathy partially have significant role that influences the students satisfaction. From the five indicators, it can be seen that the empathy dimension has dominant role that influences the satisfaction of students in Master Degree Program UT in UPBJJ Mataram. Simultaneously, the quality of academic service consisted of tangible, reliability, responsiveness, assurance and empathy that has highly significant role. The higher of service quality increased the higher of students satisfaction level in Master Degree Program UT in UPBJJ Mataram. Penelitian ini bertujuan menganalisis pengaruh kualitas layanan akademik terhadap kepuasan mahasiswa Program Pascasarjana (PPs) Universitas Terbuka pada Unit Program Belajar Jarak Jauh (UPBJJ) Mataram. Teknik analisis data dengan menggunakan regresi linier berganda. Hasil penelitian menunjukkan bahwa, secara parsial indikator dimensi keterandalan (reliability), responsiveness dan assurance tidak berpengaruh secara signifikan terhadap kepuasan mahasiswa, hal ini disebabkan PPs-UT pada UPBJJ Mataram belum memberikan pelayanan seperti yang diharapkan oleh mahasiswa. Selanjutnya, pada indikator tangibles dan empathy secara parsial memiliki pengaruh yang signifikan terhadap kepuasan mahasiswa. Dari ke lima indikator tersebut, dimensi emphaty memiliki pengaruh yang paling dominan terhadap kepuasan mahasiswa Program Pascasarjana UT pada UPBJJ Mataram. Secara simultan, kualitas layanan akademik yang terdiri dari tangible, reliability, responsiveness, assurance, dan empathy mempunyai pengaruh signifikan yang sangat tinggi, artinya semakin tinggi kualitas pelayanan maka semakin tinggi pula tingkat kepuasan mahasiswa PPs-UT pada UPBJJ Mataram.
ANALISIS PENDAPATAN DAN KELAYAKAN USAHATANI PADI SAWAH DI DESA KARAWANA KECAMATAN DOLO KABUPATEN SIGI Susanto, Hery; Antara, Made; B., Sisfahyuni
AGROTEKBIS Vol 2, No 3 (2014)
Publisher : AGROTEKBIS

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Abstract

Pembangunan pertanian pada dasarnya merupakan salah satu sistem pembangunan yang tidak kalah pentingnya dalam mendukung keberhasilan pembangunan nasional. Pembangunan sektor pertanian bertujuan untuk menumbuh kembangkan usaha pertanian di pedesaan yang akan memacu aktivitas ekonomi pedesaan, menciptakan lapangan pekerjaan dan meningkatkan kesejahteraan masyarakat menumbuhkan industri hulu, hilir dan penunjang dalam meningkatkan daya saing dan nilai tambah suatu produk pertanian.   Tujuan penelitian ini untuk : (i) mengetahui besar pendapatan usahatani padi sawah di Desa Karawana Kecamatan Dolo Kabupaten Sigi, (ii) mengetahui kelayakan usahatani padi sawah di Desa Karawana Kecamatan Dolo Kabupaten Sigi. Penentuan responden dilakukan dengan sengaja (purposive), Jumlah petani responden (sampel) yang diambil dalam penelitian ini sebanyak 30 petani padi sawah. Analisis yang digunakan dalam penelitiaan ini adalah analisis pendapatan dan analisisis kelayakan. Hasil penelitian menunjukan bahwa Pendapatan usahatani padi sawah di Desa Karawana Kecamatan Dolo Kabupaten Sigi sebesar Rp 5.724.552/Ha. Usahatani padi sawah di Desa Karawana Kecamatan Dolo Kabupaten Sigi layak diusahakan dengan nilai R/C 2,63 yang artinya bahwa setiap pengeluaran sebesar Rp 1.000,- akan menghasilkan penerimaan sebesar Rp 2.630,-.