Developing Vocabulary Handbook for the Eighth Grade Students of Junior High School

This study aimed to develop a vocabulary handbook for eighth-grade students at SMP Negeri 8 Palopo. The researcher used Research and Development by adapting the ADDIE model—the participants of this study were eighth-grade students of SMP Negeri 8 Palopo and three expert validators. Data were collected through observation, interviews, students' questionnaires, and expert validation. The vocabulary handbook was developed by referring to the needs analysis and adapting a task-based language approach. The appropriate vocabulary handbook as a research product consists of: 1. three units of vocabulary handbook material, namely: What are you doing? My uncle is a zookeeper, and Bigger is sometimes better. 2. Variety of activities adapted from task-based 3. Attractive layout and media 4. Other skills like listening, reading, and writing are completed with exciting grammar and vocabulary. The suitability of the student vocabulary guidebook is evidenced by the results of student and teacher perceptions that were categorized into "Very Good" classification, which indicated that the vocabulary handbook is ready to use with little revisions.


Introduction
Most of the students in the school are still not confident enough to speak English, with the anxiety of those who do not have adequate vocabulary, which is the cause of "don't want to talk" problems, mispronunciations, and the lack of science and technology advance.The scientific approach is the one employed in the 2013 Curriculum.With this method, the vocabulary that is automatically employed in books also makes reference to vocabulary growth as a supporter of science.Students are therefore required to fully understand and be able to use the vocabulary present in the book.This has to do with the vocabulary that was required by the existing Curriculum for 2013.The fundamental knowledge is to grasp what a term means.The base for students to master a subject.Just that initial instruction in the introduction or socialization of word seems to be given less consideration.
Several scholars have developed vocabulary handbook.Khairunisa (2015) developed vocabulary learning materials based on Nation's four strands for grade eight students of Junior High School.Sari & Qomar (2017) developed vocabulary book based on crossword puzzle which is very good and can help students in learning vocabulary and the students got a new knowledge.Puspita et al. (2017) developed a supplementary material on vocabulary development for seven-year students of Junior High School.
Based on the explanation above, the researcher formulated a research question as follows: "How to develop a valid vocabulary handbook for the eighthgrade students of SMP Negeri 8 Palopo."

Method
The researcher applied Research and Development by adapting the ADDIE Model.ADDIE model stands for Analysis, Design, Development, Implementation, and Evaluation.The participants of this study were 29 students who filled out the need analysis questionnaire, three experts' validators, and 15 students joined trial product.The research instruments used include questionnaire and interview.The questionnaires were given into the experts and students.The researcher interviewed the teacher and her students to determine their perceptions towards the products.The instruments were analyzed quantitatively qualitatively.

The Result of Need Analysis
The results of the need analysis questionnaire are shown below.

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Chart 1.The result of students' percentage of benefits in the English language The chart above shows that the students benefit from the vocabulary.Most students choose C, which helps them improve their new Vocabulary.It offers 16 students, or 55%, the opportunity to help improve their new vocabulary

Chart 2. The result of students' percentage on learning goals
Students gave various answers to the percentage of questionnaire questions related to learning English.Students stated that the benefits of students choosing A=15 students or 52% decided to improve their English speaking.The chart explained the percentage of students' difficulties learning English from handbook vocabulary.The highest percentage showed difficulty in pronounced Vocabulary, with B=14 students, or 48%, scoring difficulty in pronounced Vocabulary.Based on the result, the researcher developed a pronounced vocabulary.

Chart 4. Displays the Percentages Color of Vocabulary Handbook
This questionnaire also collected data about the colors of the picture that students wanted in the Handbook.Most students chose a full color, 70%.The researcher developed a vocabulary handbook based on the highest percentage.

Design Stage
The design was based on observational data, interviews, and a needs analysis questionnaire, including the curriculum program.The design stage steps the following: The mean score of the design and layout expert validation was calculated below: The percentages of the design and layout expert validation were calculated below: The design and layout expert validation result got a mean score of 3 with 75% of percentages, qualifying as "Good."The design and layout expert validation result indicates that the Handbook can be utilized with a little revision.The mean score of the language expert validation was shown below: Salsabila Anggraeni, Andi Tenrisanna Syam, Husnaini, Magfirah Thayyib, Wahibah Developing Vocabulary Handbook for the Eighth Grade Students of Junior High School

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The percentages of the language expert validation were shown below: The result of the language expert validation got a mean score of 3,42 with 85,5% of percentages qualified as "Good."The language expert validation results indicate the Handbook can be utilized with a little revision.The mean score of the material validation was shown below: The percentages of the material validation were shown below: The result of the material expert validation got a mean score of 3,96 with 99% of the percentages qualified as "Excellent."The material expert validation results indicate the Handbook can be utilized without revision.

Implementation Stage
At this stage, the revised product is implemented for a limited number of students, and trials are carried out in just one day and held on May 03, 2023.In this limited trial, the researcher tried to apply some of the vocabularies from the vocabulary handbook provided; then, the researcher only applied some representative and effective tasks to work on for 30 minutes.The details of the tasks carried out are shown below: In addition to implementing vocabulary development, due to time and opportunity limitations, the researcher explained briefly how to use Vocabulary.The research began to explain the pronunciation guide, part of speech, instructions for use, how to scan the barcode, and vocabulary list.This aims to clarify how to use the product so that students are clear about using the Vocabulary Handbook.Tryout at this stage aims to determine the effectiveness and attractiveness of the vocabulary handbook.The results of the tryout will be displayed at the evaluation stage

Evaluation Stage
The table below shows the results of students' perception in field try out.There were 15 students follow field try out.The mean score of the students' perception results was shown below: The students' perception percentages were shown below: The researchers also shared the questionnaire to the teacher so that they can find out the teacher's perception towards the handbook.The results are shown below.

Discussion
The importance of vocabulary mastery made this grade VIII student of SMP Negeri 8 Palopo want to learn English vocabulary.Some students need help Salsabila Anggraeni, Andi Tenrisanna Syam, Husnaini, Magfirah Thayyib, Wahibah Developing Vocabulary Handbook for the Eighth Grade Students of Junior High School 310 studying, such as a lack of Vocabulary and pronunciation, confidence, and a fear of being wrong.Last, they need vocabulary learning materials or books that suit their needs.Therefore, the solution to this problem is that the researchers developed an appropriate vocabulary handbook for Grade VIII students of SMPN 8 Palopo so that the students are more enthusiastic and active in doing vocabulary exercises with interesting and fun activities.
As a product of this study, the vocabulary handbook was developed using the ADDIE Model.It consists of five steps (analysis, Design, development, implementation, and evaluation).The Model developed was also utilized by Sulhana (2021) in her research, "Development K13 Text Book-Based Dictionary for the Eight Grade Students at Junior High School 2 Masamba".In addition, product design also used the TBLT (Task-Based Language Teaching) approach in developing vocabulary handbook.Therefore, the researchers have taken the first step by conducting a needs analysis.In carrying out the needs analysis, the research adopted the theory from Hutchinson and Waters.Needs analysis is presented as a questionnaire containing target needs and learning needs.In addition, the researchers conducted interviews to collect more information regarding students' interests and difficulties.Therefore, the research only uses the needs analysis results in developing a vocabulary handbook.The needs analysis results are used to design learning objectives and vocabulary handbook materials.Then, the researchers' team developed the first draft of the handbook based on the analysis results.After that, the first draft of the draft vocabulary handbook was validated by experts to improve the feasibility and quality of the Handbook.The trial was continued after the validator received the product.Finally, performance was evaluated based on students' perceptions and teachers' suggestions about the Vocabulary Handbook.
After compiling and revising the vocabulary hanbook, the next testing stage was carried out after the validator received the vocabulary handbook.The Handbook has three validators: Design and layout experts, language experts, and material experts.The validation results of the h andbook from Design and Layout experts obtained an average value of 3 with a percentage of 75%, which fulfilled the "Good" requirement.Furthermore, the results of pocket book validation from language received an average score of 3.42, with a percentage of 85.5% having the "Good" qualification.Meanwhile, the results of handbook validation from material experts got an average score of 3.96, with a percentage of 99% qualifying as "Exellent."Furthermore, the handbook was evaluated according to students' and teachers' perceptions of the eighth-grade students' vocabulary handbook.
The results of the suitability assessment of the student perception vocabulary handbook got an average score of 3.23 with a percentage of 81%, which fulfilled the requirements of "Good," and teacher perceptions got an average score of 3.73 with a percentage of 93%, which qualifies as "Very Good."This shows that the vocabulary handbook can be used without revision.Finally, the researcher implemented a vocabulary handbook for school English teachers at SMPN 8 Palopo.

Conclusion
Based on research conducted at SMPN 8 Palopo, developing a vocabulary handbook was carried out through several stages to analyze target needs.The research collects information by conducting a needs analysis.After collecting the data, the researchers made a vocabulary handbook according to the student's needs.After that, it is validated by experts.
The suitability of the student vocabulary handbook is evidenced by the results of student and teacher perceptions that fall into the "Very Good" classification, which indicates that the vocabulary handbook is ready to use with little revisions.

Table 1 .
The Blueprint of the Product

Table 4 .
The result of the Content Validation by the Design and Layout Expert

Table 6 .
The Results of Teacher's Perception Questionnaire