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Articles

ANALISIS PERSEDIAAN MATERIAL PADA PEMBANGUNAN PROYEK MY TOWER HOTEL & APARTMENT DENGAN MENGGUNAKAN METODE MATERIAL REQUIREMENT PLANNING (MRP) WAHYUNI, TRI
Rekayasa Teknik Sipil Vol 1, No 1/REKAT/17 (2017): Wisuda ke-88 Periode 1 Tahun 2017
Publisher : Rekayasa Teknik Sipil

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Abstract

Persediaan material merupakan bagian penyusun utama yang berperan sebagai penunjang pada pembangunan proyek konstruksi selain itu dana yang dikeluarkan cukup besar. Untuk menjamin ketersediaan material perlu dilakukan pengendalian persediaan material, agar tidak terjadi keterlambatan datangnya persediaan material. Hal ini dapat mempengaruhi biaya proyek dan total waktu proyek. Penelitian ini bertujuan untuk menganalisis perencanaan persediaan material pada proyek My Tower Hotel&Apartment Surabaya. Metode persediaan material yang digunakan adalah Material Requirement Planning (MRP). Data yang digunakan berupa gambar perencanaan, jadwal proyek, struktur produk, biaya persediaan dan waktu tunggu. Teknik lotsizing yang digunakan 4 teknik yaitu Lot for Lot (L4L), Economic Order Quantity, Period Order Quantity (POQ), Part Period Balancing (PPB) dari keempat teknik ini akan diperoleh teknik yang menghasilkan jumlah pesanan optimum dan persediaan biaya minimum. Dari hasil analisis MRP yang dilakukan didapat teknik lotsizing yang membentuk biaya persediaan minimum untuk material multipleks 18mm uk 4’’x8’’ adalah teknik Period Order Quantity dan Part Period Balancing. Material kayu 8x12cm, besi beton 8, besi beton D10, besi beton D16, besi beton D19, besi beton D25, beton 25MPa menggunakan teknik Lot for Lot. Kata Kunci : Material Requirement Planning, lotsizing, persediaan Inventories of materials is the main constituent parts that acts as a support to the development of construction projects in terms of  thetotal  amount. To ensure the availability of materials, it is necessary to control the supply of material.  In order to avoid delays in the arrival of material supplies. This can affect the total project cost and project time. This study aim of this study is to analyze the material supply planning in the My Tower Hotel & Apartment Surabaya project. Material Requirement Planning (MRP) metode is used to solve the problem. The data used in the form of an project design, project schedule, product structure, inventory costs and lead time . Four method of Lotsizing techniques care used are Lot for Lot ( L4L ), Economic Order Quantity, Period Order Quantity ( POQ ), Part Period Balancing (PPB ).These will periode the best technique which show optimum number of orders and inventory costs to a minimum. From the analysis conducted MRP obtained lotsizing technique that forms a minimum inventory costs for material 18mm multiplex uk 4'x8 ' is a technique Period Order Quantity and Part Period Balancing. 8x12cm wood materials, iron ∅8 concrete, concrete steel D10, D16 concrete steel, concrete steel D19, D25 concrete steel, concrete 25MPa using techniques Lot for Lot. Keywords : Material Requirement Planning, lotsizing, supplies
IDENTIFIKASI STATUS HARA N, P DAN K UNTUK TANAMAN PADI SAWAH TADAH HUJAN DI DESA SEBENTE KECAMATAN TERIAK KABUPATEN BENGKAYANG WAHYUNI, TRI; SUSWATI, DENAH; HAZRIANI, RINI
Jurnal Sains Mahasiswa Pertanian Vol 5, No 3 (2016): Desember 2016
Publisher : Jurnal Sains Mahasiswa Pertanian

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Abstract

Padi sawah (Oryza sativa.L) adalah bahan baku pangan pokok yang vital bagi rakyat Indonesia. Menanam padi sawah sudah menjadi tradisi umum bagi sebagian besar petani di Indonesia, yang pada mulanya banyak diusahakan di pulau Jawa.  Namun, saat ini hampir seluruh daerah di Indonesia sudah tidak asing lagi dengan kegiatan menanam padi di sawah. Produksi padi sawah di Kabupaten Bengkayang  sebesar 124,157 ton/ha per tahun, terdiri dari 101,735 ton pertahun padi sawah dan 22,422 ton padi ladang.  Luas panen 39,139 Ha, dengan produktifitas padi tahun 2015 sebesar 31,72 Kwintal/Ha. Tujuan penelitian ini adalah untuk mengetahui status ketersediaan unsur hara N, P, K pada tanah sawah di Desa Sebente, dan menghitung rekomendasi pemupukan N, P dan K untuk meningkatkan produksi padi. Penelitian ini dilakukan di Desa Sebente Kecamatan Teriak Kabupaten Bengkayang dengan luas Persawahan 2 Ha.  Waktu penelitian 3 bulan, dimulai dari persiapan sampai penyajian hasil. Metode yang digunakan dalam penelitian ini adalah dengan metode sistem diagonal dan metode wawancara, untuk pengambilan sampel tanah pada  kedalaman 0-20 cm, pengambilan sampel tanah komposit diambil 4 petak sawah yang berbeda. Parameter pengamatan adalah reaksi tanah (pH), N total, P tersedia tanah, K tersedia tanah, dan C-Organik tanah. Hasil analisis pH tanah pada lokasi penelitian tergolong masam, C-Organik  pada lokasi penelitian sangat rendah sampai dengan tinggi, nitrogen (N) total tanah pada lokasi penelitian rendah sampai dengan sedang, Fosfor (P) tersedia pada lokasi penelitian rendah sampai dengan sangat rendah, kalium (K) tersedia tanah dilokasi penelitian tergolong sangat rendah.
POPULASI DAN KARAKTERISASI FENOTIP KANTONG SEMAR (NEPENTHES SPP.) DI TAMAN KEANEKARAGAMAN HAYATI HUTAN PELAWAN KABUPATEN BANGKA TENGAH, PROVINSI KEPULAUAN BANGKA BELITUNG: PUPULATION AND PHENOTIVE CHARACTERIZATION OF PITCHER PLANT (NEPENTHES SPP.) IN PELAWAN FOREST BIODIVERSITY PARK AT CENTRAL BANGKA REGENCY, BANGKA BELITUNG ISLANDS PROVINCE Armanda, Armanda; Anggraeni, Anggraeni; Wahyuni, Tri
Media Konservasi Vol. 25 No. 1 (2020): Media Konservasi Vol. 20 No. 1 April 2020
Publisher : Deparement of Forest Resources Conservation and Ecotourism - Bogor Agricultural University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/medkon.25.1.89-97

Abstract

Kantong semar (Nepenthes spp.) merupakan tumbuhan yang mampu menjebak serangga dan binatang kecil lainnya. Tercatat sebanyak 139 jenis tersebar di Asia Tenggara. Di provinsi Bangka Belitung, Nepenthes spp. ditemukan di Taman Keanekaragaman Hayati Hutan Pelawan. Informasi data mengenai karakteristik fenotif dan habitat Nepenthes spp. belum pernah dilaporkan. Tujuan penelitian yaitu mendata jumlah populasi dari masing-masing jenis dan mengkarakterisasi fenotip Nepenthes spp. Metode pengambilan data menggunakan teknik purposive sampling. Hasil penelitian menemukan 3 spesies yaitu Nepenthes gracilis Korth dengan populasi sebanyak 348 individu, Nepenthes rafflesiana Jack dengan populasi sebanyak 18 individu dan Nepenthes ampullaria Jack dengan populasi sebanyak 45 individu. Indeks keanekaragaman (H?) sebesar 0,36 dan tergolong rendah. Karakteristik fenotif jumlah daun steril berkisar 2-37 helai, daun fertil berkisar 1-12 helai, panjang daun berkisar 9,5-37,2 cm, lebar daun berkisar 1,7-8,2 cm dan tebal daun berkisar 2,1-3,6 mm. Panjang kantong berkisar 3,4-22,2 cm dan diameter kantong berkisar 1,6-4,4 cm. Bentuk silinder (gracilis), tempayan (ampullaria), terompet (rafflesiana kantong atas), bulat telur (rafflesiana kantong bawah). Variasi corak kantong berupa bintik-bintik merah, sayap dan renda bervariasi, kantong atas tidak bersayap, yang bersayap umumnya kantong bawah dan ber-renda, tutup kantong terdiri atas bentuk proporsional dan tak proporsional. Panjang batang berkisar 44-550 cm, diameter batang berkisar 7,0-8,5 mm dan panjang sulur berkisar 1,0-34,4 cm. Posisi sulur terdiri atas posisi membelakangi, menyamping dan di depan mulut kantong.   Kata kunci: karakteristik fenotif, keanekaragaman, Nepenthes spp.
EQ-1 QUARANTINE ACTION FOR HORSES ORIGINATING FROM COUNTRIES WITH DIFFERENT HEALTH STATUS TO EDFZ JAKARTA FOR THE 18TH ASIAN GAMES 2018 Mujiatun, .; Silitonga, Risma Juniarti Paulina; Sinanto, Agus; Sriyanto, .; Munstermann, Susanne; Wahyuni, Tri; Deniswaty, .; Zaenuddin, Nuryani; Dewi, Arum Kusnila; Komara, Adi; Kalanjati, Woro Wulandari; Qurotaayunina, Yasmin; Agistiana, Seruni; Haeriah, .; Prastanti, Hestu; Anjarsari, Dwi Indah; Anastasya, Lidwina; Ashari, .
Hemera Zoa Proceedings of the 20th FAVA & the 15th KIVNAS PDHI 2018
Publisher : Hemera Zoa

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Abstract

Indonesia hosted the 18th Asian Games on 18 August to 2 September 2018. In order to organize the equestrian competitions of these Asian Games, an Equine Disease Free Zone (EDFZ) was set up. EDFZ is a term used by the World Organisation for Animal Health (OIE) for a specific zone in which equestrian competitions can be organized. This system is based on the OIE?s concept of compartmentalisation and zoning. A specified area is shown to be free from a defined list of equine diseases that are otherwise present in the country or region. Horses within an EDFZ are protected from diseases that may occur in other parts of the country (OIE 2018).Once the EDFZ is established, implementation of biosecurity management, health certification standards and procedures have to be observed, including the setting up of a Registered Animal Quarantine Installation (RAQI) to prevent the spread of diseases to this EDFZ.Horses that came from countries that have a disease situation equal to the EDFZ with specific health requirement such as vaccination and testing, were taken directly to the EDFZ core zone, which was the venue for the equestrian events at the Jakarta Equestrian Park, Pulomas [DGLAHS, 2018].  Few horses came from countries with a health status not equal to the EDFZ. These horses had to be quarantined in their country of residence for 21-30 days and again in Indonesia for 14-21 days. Based to the regulations of the Indonesian Agriculture Quarantine Agency (IAQA) a RAQI was set up to observe the health status of these horses.General observation of horse health status in the RAQI consisted of inspection for clinical signs of infectious diseases and also a repeat of laboratory testing for specified diseases which, as per requirement of the ?Veterinary Certificate for the Temporary Importation of horses into Indonesia to compete in the equestrian events of the 18th Asian Games? (here: Asian Games Health Certificate), had already been tested in the country of residence.The purpose of this paper is to describe the quarantine action for horses in the RAQI at the 18th Asian Games 2018.
FAKTOR-FAKTOR YANG MEMPENGARUHI NILAI PERUSAHAAN DI SEKTOR PROPERTY, REAL ESTATE & BUILDING CONSTRUCTION YANG TERDAFTAR DI BEI PERIODE 2008-2012 Wahyuni, Tri; Ernawati, Endang; Murhadi, Werner R.
CALYPTRA : Jurnal Ilmiah Mahasiswa Universitas Surabaya Vol 2, No 1 (2013): CALYPTRA : Jurnal Ilmiah Mahasiswa Universitas Surabaya
Publisher : University of Surabaya

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Abstract

The aims of this research is to understand the factor affecting the Value of the Firm for Property, Real Estate & Building Construction enterprises enlisted in Indonesian Stock Exchange period 2008-2012. The related theories being used in this research are Dividend Theory, Signaling Theory and Agency Theory. This research uses quantitative perspective with Least Square (LS). Objects used in this research are Property, Real Estate & Building Construction enterprises enlisted in Indonesian Stock Exchange period 2008-2012. About 110 object are investigated (17 Property & Real Estate and 5 Building Construction). After conducting this research, the author found that Investment Decision (PER), Size and Profitability has significant positive effect to the Value of the Firm. Financing Decision (DER) variable has significant negative effect to the Value of the Firm. Furthermore, Dividend Policy has insignificant positive effect to the Value of the Firm. Institution Ownership has insignificant negative effect to the Value of the Firm.
PENGGUNAAN PENDEKATAN PENDIDIKAN MATEMATIKA REALISTIK DENGAN MEDIA VISUAL DALAM PENINGKATAN PEMBELAJARAN MATEMATIKA DI KELAS I SDN 1 KUWARASAN Wahyuni, Tri
KALAM CENDEKIA PGSD KEBUMEN Vol 3, No 5.1 (2015): KALAM CENDEKIA PGSD KEBUMEN (EDISI KHUSUS)
Publisher : KALAM CENDEKIA PGSD KEBUMEN

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Abstract: The Application of Learning Approach of Realistic Mathematic Education (RME) with Visual Media in Improving Mathematic Learning of the First Grade of SDN 1 Kuwarasan. The objectives of this research are: (1) to describe the application of learning approach of RME e with visual media and (2) improve Mathematic learning. This research is a collaborative Class Action Research (CAR) that was conducted in three cycles. Subject of this research are first grade student of SDN 1 Kuwarasan in academic year of 2014/2015 totalling 23 students. The results show that: (1) the application of learning approach of RME technique with visual media has been carried out through five steps, namely: (a) giving contextual problem, (b) explain contextual problem by visual media; (c) solution of contextual problem with visual media; (d) discuss and compare of solution; (e) drawing conclusion with together and (2) the application of learning approach of RME with visual media can improve Mathematic learning.  Keywords: RME, visual media, learning, Mathematic Abstrak: Penggunaan Pendekatan Pendidikan Matematika Realistik dengan Media Visual dalam Peningkatan Pembelajaran Matematika di Kelas I SDN 1 Kuwarasan. Tujuan penelitian ini yaitu: (1) mendeskripsikan penggunaan pendekatan PMR dengan media visual dan (2) meningkatkan pembelajaran Matematika. Penelitian Tindakan Kelas (PTK) kolaboratif yang dilaksanakan dalam tiga siklus. Subjek penelitian ini adalah siswa kelas I SDN 1 Kuwarasan tahun ajaran 2014/2015 yang berjumlah 23 siswa. Hasil penelitian menunjukkan bahwa:  (1) penggunaan pendekatan PMR dengan media visual dilaksanakan melalui lima langkah, yaitu: (a) pemberian masalah kontekstual menggunakan media visual; (b)  penjelasan masalah kontekstual dengan media visual; (c) penyelesaian masalah kontekstual dengan bantuan media visual; (d) membandingkan dan mendiskusikan jawaban; (e) penyimpulan jawaban secara bersama dan (2) penggunaan pendekatan PMR dengan media visual dapat meningkatkan pembelajaran Matematika. Kata kunci: PMR, media visual, pembelajaran, Matematika
EKSPLORASI BENTUK KUPU-KUPU SEBAGAI GAGASAN BERKARYA SENI LUKIS ABSTRAK MELALUI TEKNIK FLICKED PAINTING (CIPRATAN) Wahyuni, Tri; Karyono, Tri; Sukaya, Yaya
GRADASI Vol 1, No 3 (2013): ANTOLOGI SENI RUPA FPBS UPI EDISI
Publisher : GRADASI

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ABSTRAKKarya tulis (Skripsi Penciptaan) ini mengangkat sebuah kisah tentang bentuk kupu-kupu yang diaplikasikan ke dalam kehidupan sehari-hari dengan cara mengembangkan teknik lukisan abstrak melalui teknik cipratan oleh Sikat dan Sisir. Penemuan baru ini diambil dari proses akademik mata kuliah seni lukis III dengan cara mengembangkan bentuk kupu-kupu sebagai ide gagasan yang bereksplorasi tentang pemanfaatan bahan yang ada di lingkungan sekitar, bentuk tersebut dimanfaatkan sebagai media/bahan untuk menunjang dalam pembuatan karya, sehingga memiliki kegunaan selain benda pakai atau benda hias. Proses pembuatan lukisan ini, berupa pola yang dicetakan diatas lukisan dengan dilengkapi tempelan benang serta bahan pendukung lainnya. Pembuatan lukisan ini memang sangat berbeda dengan proses pembuatan lukisan para seniman pada umumnya. Selain teknik baru, teknik ini mampu menghasilkan karakter lukisan yang unik dan khas pada setiap karya yang diciptakan. Kelima karya tersebut memiliki konsep serta makna yang berbeda, namun pada umumnya semua karya menceritakan tentang analogi kisah kupu-kupu terhadap refleksi sebuah kehidupan manusia yang pantas untuk kita maknai sebagai hal positif dalam memunculkan motivasi hidup seperti siklus metamorposis kupu-kupu. Kata kunci : Eksplorasi; Kupu-kupu; Lukisan Abstrak; Cipratan; Pola ABSTRACTThis paper (composition paper) Took up the story of butterflies which are applied in daily life by using brush and comb on technical abtract painting development.The new discovery is taken from arts painting subject III in academic process, by developing butterflies shapes as an idea in creating the useful material exploration around the environment, these shapes are used in making this ceation, so it can be useful as a thing or artide. The making of  technical splashes processing the pattern is printed out on the picture by attaching yard and any other proponent. The five creations have different meaning, but generally all creations is talked about the butterflies analogy’s story on the reflection of human life for our motivation like butterflies metamorphosis. Keywords: Eksplorasi; Kupu-kupu; Lukisan Abstrak; Cipratan; Pola
PERBEDAAN PENGARUH MODEL PEMBELAJARAN KOOPERATIF TIPE BAMBOO DANCING DAN TIPE NUMBERED HEADS TOGETHER DALAM PEMBELAJARAN BIOLOGI TERHADAP HASIL BELAJAR Wahyuni, Tri; Sudarisman, Suciati
Prosiding Seminar Biologi Vol 8, No 1 (2011): Seminar Nasional VIII Pendidikan Biologi
Publisher : Prodi Pendidikan Biologi FKIP UNS

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 Penelitian ini dilatarbelakangi oleh rendahnya hasil belajar IPA biologi di SMP Negeri 2 Tangen, Kabupaten Sragen. Pembelajaran yang cenderung bersifat deklaratif, menyebabkan pembelajaran menjadi tidak menarik dan membosankan sehingga peserta didik menjadi pasif. Kondisi ini kurang sesuai dengan hakikat IPA dimana pembelajaran IPA seharusnya tidak hanya menekankan pada pemahaman konsep sebagai produk sains, tetapi juga dapat memberi kesempatan pada peserta didik agar dapat berinteraksi aktif melakukan keterampilan proses sains serta mengembangkan sikap ilmiah.                Tujuan penelitian ini untuk mengetahui perbedaan pengaruh penggunaan model pembelajaran kooperatif tipe Bamboo Dancing dan tipe NHT terhadap hasil  belajar biologi. Penelitian ini menggunakan metode eksperimen dengan  menggunakan model pembelajaran kooperatif tipe Bamboo Dancing dan tipe NHT. Sampel penelitian adalah peserta didik kelas VII SMP Negeri 2 Tangen, Kabupaten Sragen, semester gasal tahun pelajaran 2010/2011 pada materi Ciri-Ciri Makhluk Hidup. Data berupa nilai hasil belajar yang dijaring dengan menggunakan teknik tes serta sikap kooperatif yang diperoleh melalui penilaian ranah afektif yang dilengkapi dengan rubrik penilaian.Hasil penelitian menunjukkan: 1) Secara umum penggunaan model pembelajaran kooperatif baik tipe Bamboo Dancing maupun tipe NHT dalam pembelajaran biologi khususnya pada materi Ciri-Ciri Makhluk Hidup dapat meningkatkan hasil belajar peserta didik; 2) Hasil belajar peserta didik model pembelajaran kooperatif dengan menggunakan tipe NHT (75,32) lebih baik daripada menggunakan model pembelajaran kooperatif tipe Bamboo Dancing (68,38); 3) Penggunaan model pembelajaran kooperatif baik tipe Bamboo Dancing maupun tipe NHT dalam pembelajaran biologi khususnya pada materi Ciri-Ciri Makhluk Hidup mendapat respon positif dari peserta didik. Kata kunci : Pembelajaran kooperatif, Bamboo Dancing, NHT, Hasil belajar
THE EFFECTIVENESS OF USING OBSERVE-HYPOTHESIZE-EXPERIMENT (OHE) AS A TEACHING METHOD TO IMPROVE THE STUDENTS’ MASTERY IN LANGUAGE FUNCTIONS TO THE EIGHTH GRADE STUDENTS OF SMP N 33 PURWOREJO IN THE ACADEMIC YEAR 2011/ 2012 wahyuni, tri
SCRIPTA - Pendidikan Bahasa Inggris No 1 (2012): Articles
Publisher : Pendidikan Bahasa Inggris

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Abstract

Language is an important tool of communication. The primary function of language is for interaction and communication. For language, the existence of language function is a common thing. This language functions process mostly happens in the oral form that exist in the speech acts such as speech, chatting, lesson, dialogue, course, and so on.  Based on the assumption that language functions mostly happens in the oral form and it is meant to fulfil certain functions. To improve the students? mastery in language functions, the teacher can use many kinds of media or methods. By using Observe-Hypothesize-Experiment (OHE) as a teaching method, it can improve the mastering of the students in language functions and the students can learn language easily. To do this thesis the writer conducted the experimental research. The aim of this research is to find out whether there is the effectiveness of using Observe- Hypothesize-Experiment (OHE) as a teaching method to improve the students? mastery in language functions on the eighth grade students of Junior High School. In this research, the writer took 64 students of the eighth-grade of SMP N 33 Purworejo in the academic year 2011/2012 as the sample. The writer used VIII A as an experimental class which is consist of 32 students and VIII D as a control which consist of 32 students. The writer conducted pre test and post test. The writer taught language functions using OHE method as a treatment. Statistically, the writer analyzed the data by using t-test separated variance. The result of this research shows that there is the effectiveness of using Observe-Hypothesize-Experiment (OHE) method to improve the students? mastery in language functions on the eighth grade students of SMP N 33 Purworejo. From the result of analyzing data, it shows that the mean score of experimental group is higher than the mean score of control group (70.68 > 64.56).In addition, the result of t-value is 4.796. Based on the 0.05 significant level, the value of t-table is 2.000, the computation shows that t-value is higher than t-table that is 4.796>2.000. It means Ho is rejected whereas Ha is accepted. In addition, this study also reveals that the use of Observe- Hypothesize- Experiment method to improve the students? mastery in language functions is effective.
THE EFFECTIVENESS OF USING OBSERVE-HYPOTHESIZE-EXPERIMENT (OHE) AS A TEACHING METHOD TO IMPROVE THE STUDENTS’ MASTERY IN LANGUAGE FUNCTIONS TO THE EIGHTH GRADE STUDENTS OF SMP N 33 PURWOREJO IN THE ACADEMIC YEAR 2011/ 2012 Wahyuni, Tri
SCRIPTA - Pendidikan Bahasa Inggris No 1 (2012): Articles
Publisher : Pendidikan Bahasa Inggris

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Abstract

  Language is an important tool of communication. The primary function of language is for interaction and communication. For language, the existence of language function is a common thing. This language functions process mostly happens in the oral form that exist in the speech acts such as speech, chatting, lesson, dialogue, course, and so on.  Based on the assumption that language functions mostly happens in the oral form and it is meant to fulfil certain functions. To improve the students? mastery in language functions, the teacher can use many kinds of media or methods. By using Observe-Hypothesize-Experiment (OHE) as a teaching method, it can improve the mastering of the students in language functions and the students can learn language easily. To do this thesis the writer conducted the experimental research. The aim of this research is to find out whether there is the effectiveness of using Observe- Hypothesize-Experiment (OHE) as a teaching method to improve the students? mastery in language functions on the eighth grade students of Junior High School. In this research, the writer took 64 students of the eighth-grade of SMP N 33 Purworejo in the academic year 2011/2012 as the sample. The writer used VIII A as an experimental class which is consist of 32 students and VIII D as a control which consist of 32 students. The writer conducted pre test and post test. The writer taught language functions using OHE method as a treatment. Statistically, the writer analyzed the data by using t-test separated variance. The result of this research shows that there is the effectiveness of using Observe-Hypothesize-Experiment (OHE) method to improve the students? mastery in language functions on the eighth grade students of SMP N 33 Purworejo. From the result of analyzing data, it shows that the mean score of experimental group is higher than the mean score of control group (70.68 > 64.56).In addition, the result of t-value is 4.796. Based on the 0.05 significant level, the value of t-table is 2.000, the computation shows that t-value is higher than t-table that is 4.796>2.000. It means Ho is rejected whereas Ha is accepted. In addition, this study also reveals that the use of Observe- Hypothesize- Experiment method to improve the students? mastery in language functions is effective.
Co-Authors A, Ivon A, Yuli Abidin, Faris Achyanadia, Septy Adelina Hasyim Agistiana, Seruni Aishah Abdul Jalil Akhirmen Akhirmen Anastasya, Lidwina Anggraeni Anggraeni Anita Rahmawati Anjarsari, Dwi Indah Ari Estuningtyas, Ari Arif Widiyatmoko, Arif Arisanti, Tiffani Nindya Armanda, Armanda Asep Tata Gunawan, Asep Tata Ashari, . Atni Prawati Bakar, abdoel Bambang Sri Anggoro Bancin, Kadri Bhakti, Wida Kuswida C, Vatim D Cahya Mulat, Trimaya Calista Siagian, Irma Dawam, Ahmad Anwarud Denah Suswati Deniswaty, . Desi Areva Desi Ulandari, Desi Dewi Kurniati Dewi, Arum Kusnila Diana Achmad Didik Prasetyoko Dina Mardiana Een Yayah Haenilah Eka Puspitasari, Eka Eko Saputra Endang Ernawati Endarwati, Susiani Erni Erni F, Eva Fadly Azhar Fahmi Medias, Fahmi Fatchurohman, Fatchurohman Feriadi Feriadi, Feriadi H, Hotma M H, Setyo Haeriah, . Hanna, Rina Ayu Hariani, Lilik Sri Hasan, Sholeh Hasliza Bahruji Hasmin Tamsah, Hasmin Hermi Yanzi Heru Pramono HJ Freisleben, HJ Imroatul Qoniah Isa Akhlis Iskandar Abdul Samad, Iskandar Abdul K, Hana K, Hanna S Kalanjati, Woro Wulandari Kamaluddin, Muhammad Totong Kardiatun, Tutur Katrin Katrin Komara, Adi Komarudin Komarudin Kumar, Abdul Malik Kurniasari, Nova Kurniasari, Nova Laksmi Widajanti Lulus Irawati, Lulus M, Yunita R M, Yustinus Mamik Sarwendah Mangiliwati Winardi, Mangiliwati Melda Agarina Melda S Suebu, Melda S Mujiatun, . Mulawarman Mulawarman Munaris Munaris Munstermann, Susanne Mun’im, Abdul N, Evi I Nanik Setiyawati, Nanik Nugraha, I Ketut Destian Nugraismia, Wilda Nur Annis Hidayati, Nur Annis Nurhayati Damiri Nurliza Nurliza Nurrahman, Alif O, Antonius S Ochi Marshella Febriani Oxyandi, Miming P, Mardi R Parisa, Nita Perryanis, Perryanis Prastanti, Hestu Pratiwi, Chalies Diah Puji Harto Putri, Rahmah Dianti Qurotaayunina, Yasmin Rahmat Hidayat Rahmiati Rahmiati Raja Muhammad Amin Ramadhaniyati, Ramadhaniyati Ramdhani, Eka Putra Rani Mega Putri Ridwan Affandi rini hazriani Rosalina, Linda S, Faith HS S, Lidwina Santi Purna Sari Santi, Fitta Ummaya Semuel Sandy Silitonga, Risma Juniarti Paulina Sinanto, Agus Siregar, Pani Akhiruddin Siroj, Muhammad Badrus Siti Fatimah Pradigdo Siti Nurjannah Soni Kurniawan Sri Ariyanti Sri Ayem, Sri Sri Lestari Sri Wahyuni Sriyanto, . Subagyo, Tutut Suciati Sudarisman Sugeng Triwahyono Sulistiono, nFN Sumartono, Fareza Ferdyna Nanda Suprapto Suprapto Suyanto Suyanto Syswianti, Desy Tandjung, Ratna Taupik Rahman Tedi Rusman Thoyyibah, Neneng Tri Karyono Tri Noor Aziza triantoro, dony arung Triyanto Pristiwaluyo W, Irawati W, Mirna Wahono Widodo Wahyu Ardianto Werdiningsih, Sri Werner R. Murhadi Widuri, Anggita Widuri, Anggita Yatim Lailun Ni’mah Yaya Sukaya Yeni Agustin Yuliana, Citra Yuliarni Yuliarni Yushardi Yushardi, Yushardi Zaenuddin, Nuryani