Developing Big Book as Reading Materials Based on Thematic Approach for Fourth Grade Students at SD Negeri 028068 Binjai East Binjai Regency Langkat

This research aimed to develop thematic based big
book as a media for teaching English at fourth grade students at
SD Negeri 028068 Binjai, and find out the quality of thematic
based big book developed. The subject of this research was
thirty-eight students of fourth grade students of elementary
school at SD Negeri 028068. The data of this research were
obtained by using observation sheet, interview guide, item of
questionnaire, rubric, and documentation. This research was R
& D (research and development) by adopting the research steps
of Borg & Gall which consisted of 10 steps in implementing
research and development strategies, namely: (1) Potential and
Problems, (2) Data Collection, (3) Product Design, (4) Design
Validation, (5) Research Revision, (6) Product Testing, (7)
Product Revision, (8) Usage Test, (9) Product Revision, and (10)
Mass Production. Because of the limitation of time and funds the
steps were simplified i to four steps, namely: data collection stage,
the planning stage, the development stage, and validation and
trial stage. The data analysis technique used in this study was
qualitative and quantitative descriptive analysis. The feasibility
level of this media based on assessment of material expert
obtained a percentage of 96,60 percent included in the category
of very good, media expert obtained a percentage of 85,60
percent included of very good, design expert obtained a
percentage of 95,75 percent include of very good, students
response earned 85, 65 percent. The result of the assessment
indicate that big book as a reading materials was very feasible to
use for Teaching English at fourth grade students.