THE EFFECTIVENESS OF USING SYNONYM IN LEARNING VOCABULARY (A Quasi-Experimental Study at the Eighth Grade Students of SMP Islam At Taqwa Pamulang) By: Kuswatun 1110014000059 DEPARTMENT OF ENGLISH EDUCATION FACULTY OF EDUCATIONAL SCIENCES STATE ISLAMIC UNIVERSITY SYARIF HIDAYATULLAH JAKARTA 2017 ENDORSEMENT SHEET The Examination Committee of the Faculty of Educational Science certifies that the ‘skripsi’ (scientific paper) entitled “The Effectiveness of Using Synonym in Learning Vocabu1ary”, written by Kuswatun, 1110014000059, was examined by the Committee on July 31st, 2017 and was declared to have passed and have fulfilled one of the requirements for the degree of S.Pd. (S-1) in Department of English Education. Jakarta, 29thSeptember2017 EXAMINATION COMMITTEE Chairman : Dr. Alek, M.Pd. NIP. 19690912 200901 1 008 Secretary : Zaharil Anasy, M.Hum. NIP. 19761007 200710 1 002 Examiner I : Drs. H Sunardi Kartowisastro, Dipl, Ed. NIP. 15002279 Examiner II : Desi Nahartini, M. Ed. Acknowledged by ABSTRACT KUSWATUN. (NIM: 1110014000059). The Effectiveness of Using Synonym in Learning Vocabulary (A Quasi-Experimental Study at the Eighth Grade Students of SMP Islam At Taqwa Pamulang). Skripsi of Departement of English Education, Faculty of Educational Sciences, State Islamic University Syarif Hidayatullah Jakarta, 2017. Advisor I : Dr. Atiq Susilo M.A, Advisor II : Neneng Sunengsih, M.Pd. Key words : vocabulary learning, synonyms,lexical, The aim of this research was to investigate the effectiveness of using synonym in learning vocabulary for the eighth grade students of SMP Islam At-Taqwa Pamulang. The method used in this research was a quantitative method and the research design was a quasi-experiment. The sample of this research was the eighth grade of SMP Islam At-Taqwa Pamulang. They were 8.2 class as the experimental class, whereas 8.2 as the control on. Each class consisted of 23 students. For sampling technique, the researcher used quota sampling. The instrument used in this research was a written test on the pretest and posttest. The data is served by numerical and tested by statistical formula of t-test. Based on the calculation of the data, after using synonym, the mean score of the experimental class was increased. It means that using synonym is effective to apply in learning vocabulary and based on t-test, using synonym has significant effect in learning vocabulary for junior high school. The researcher used t- test to examine the research hypothesis. The result shows that the value of t-test is 3.953 while the value of t-table significant degree of 5% (α = 0.05) , t count was 1.680. It means that t-test is higher than t-table or tobserve > ttable. It indicated the null hypothesis is rejected and the alternative hypothesis is accepted. In conclusion, based on the difference of mean score between pre-test and post-test, using synnyms is effective to apply in learning vocabulary. Based on t-test, using synonym has significant effect in learning vocabulary in junior high school. i ABSTRAK KUSWATUN. (NIM: 1110014000059). Keefekifan Penggunaan Sinonim dalam Belajar Kosakata (Sebuah Penelitian Kuasi-Eksperimen dikelas 8 SMP Islam At- Taqwa Pamulang). Skripsi, Jurusan Pendidikan Bahasa Inggris Fakultas Ilmu Pendidikan Universitas Islam Negeri Syarif Hidayatullah Jakarta, 2017. Advisor I : Dr. Atiq Susilo M.A, Advisor II : Neneng Sunengsih, M.Pd. Key words : belajar vocabulary, sinonims, kata Tujuan penelitian ini adalah untuk melihat keefektifan menggunakan sinonim substitusi terhadap peningkaan kosakata siswa pada siswa kelas 8 di SMP Islam At- Taqwa Pamulang. Metode yang digunakan dalam penelitian ini adalah metode kuantitatif dan desain penelitian yang digunakan adalah quasi eksperimen. Adapaun sample dalam penelitian ini adalah siswa-siswi kelas 8 SMP Islam At Taqwa Pamulang, kelas 8.2 sebagai kelas eksperimen dan kelas 8.1 sebagai kelas kontrol. Masing-masing kelas terdiri dari 23 siswa. Untuk teknik pengambilan sample, peneliti menggunakan teknik sampling kuota. Instrumen yang digunakan dalam penelitian ini adalah tes tertulis dalam pretest maupun posttest. Data yang disajikan berupa angka dan diuji dengan menggunakan rumus t-test secara statistik. Berdasarkan perhitungan data, setelah menggunakan synonym dalam belajar kosakata, terdapat peningkatan pada nilai rata-rata kelas eksperimen. Ini berarti bahwa menggunakan synonym efektif untuk digunakan dalam belajar vocabulary pada sekolah menengah pertama. Peneliti menggunakan t-test untuk menguji hipothesis peneliannya. Hasil menunjukkan bahwa nilai t-test adalah 3.953 pada derajat signifikansi 5% (α = 0.05), sedangkan t tabel adalah 1.680 atau t hitung > t tabel. Disimpulkan bahwa berdasarkan perbedaan nilai rata-rata antara pre-test dan postest, penggunaan sinonim efektif digunakan dalam belajar vocabulary atau kosakata dan berdasarkan pada hasil t-test, menggunakan sinonim mempunyai dampak signifikan dalam belajar kosakata di sekolah menengah pertama. ii ACKNOWLEDGEMENTS بِ ْس ِمِ اللّ ِھ َّالر ْح َم ِنِ َّالر ِحیم In the name of Allah, the Beneficent the Merciful All praise be to Allah the Lord of the world, who gives blessing and mercy upon the writer completing this skripsi. Peace and blessing from Allah always be upon to His messenger, Prophet Muhammad, his families, his relatives and all his followers. The writer has finished her skripsi entitled “The Effectiveness of Using Synonym in Learning Vocabulary (A Quasy-Experimental Study at the Second Grade Students of SMP Islam At-Taqwa Pamulang”. It is presented to the Faculty of Educational Sciences in Partial Fulfillment of the Requirement for Degree of Strata (Bachelor of Art) in English Language Education. The writer would like to express her greatest honor and deepest gratitude to her beloved parents, her father Rasma’un (Alm.) and her mother Darsiyah, and also to her three sisters and her three brothers who always give their materials, prayers, and motivation to finish the writer’s study. The great appreciation are delivered to her advisors, Dr. Atiq Susilo, M.A and Neneng Sunengsih, M.Pd, for their patience in providing of guidance, comments, helpful corrections and suggestion in finishing this skripsi Her deepest gratitude also goes to those who have helped her in finishing this skripsi, to: 1. All lecturers, especially those at Department of English Education, for their knowledge, motivation, and patience during her study at Department of English Education and Syarif Hidayatullah State Islamic University of Jakarta. 2. Dr. Alek, M.Pd., the Head of Department of English Education. 3. Zaharil Anasyi, M. Hum., the Secretary of Department of English Education and the Academic Advisor of English Educational B Class of 2010. iii 4. Prof. Dr. Ahmad Thib Raya, M.A., the Dean of the Faculty of Educational Science. 5. H. Budi Waluyo, S.Pd., the principal of SMP Islam At-Taqwa Pamulang, who has allowance her doing to research. Also, all teachers at SMP Islam At-Taqwa Pamulang, especially Tami Asriani, S.Pd. who has helped her to conduct this research. 6. The second grade students of SMP Islam At-Taqwa Pamulang who has assisted to collect the data for this research. 7. Her friends, Finah Triyanah, Tami Asriani, Alfiyah Nur Fauziyah, Yusri Nur Fadhilah, Nurhilaliyah, Septia Ayu Handayani, and all friends in Department of English Education B class who always offer her happiness, patience, sharing, and support. 8. All people who give contribution to finish this study whose name cannot be mentioned one by one. Finally the writer truly realizes that this skripsi cannot be considered as a perfect masterpiece. Therefore, the writer who expected with pleasure, hopefully to get suggestion and criticism to make it better. Jakarta, July 2017 The writer iv TABLE OF CONTENTS Page TITLE SURAT PERNYATAAN KARYA SENDIRI APPROVAL ENDORSEMENT SHEET ABSTRACT ................................................................................................... i ABSTRAK ....................................................................................................... ii ACKNOWLEDGEMENT ............................................................................ iii TABLE OF CONTENTS .............................................................................. v LIST OF TABLES ....................................................................................... viii LIST OF APPENDICES............................................................................... ix CHAPTER I : INTRODUCTION ............................................................... 1 A. Background of the Study .................................................. 1 B. Identification of Problem .................................................. 4 C. Limitation of Problem ....................................................... 4 D. Problem Formulation ........................................................ 4 E. Purpose of the Study ......................................................... 5 F. Significance of the Study .................................................. 5 CHAPTER II : THEORETICAL FRAMEWORK ................................... 6 A. Vocabulary ........................................................................ 6 1. Definition of Vocabulary .......................................... 6 2. Kinds of Vocabulary ................................................. 7 3. The Importance of Vocabulary ................................. 9 4. Learning Vocabulary ................................................. 11 B. Synonym ..........................................................................