Abstrak  Kembali
This thesis was aimed at improving the students’ writing ability by using instructional scaffolding at the eighth grade of Candra Jaya Junior High School West Jakarta. The subjects of the study were 40 students in eight grade of Candra Jaya Junior High School. This study used Classroom Action Research (CAR), and it was conducted in three cycles, each of which consisted of planning, action, observing and reflecting. The data of the study were taken from the questionnaire, observation, interview and the students’ final product on writing descriptive text. Data analysis technique used were descriptive analysis both qualitative and quantitative. Qualitative analysis used for qualitative data such as questionnaire, interview, observation, and documentation, while quantitative analysis used for quantitative data obtained from the students’ final product on writing descriptive text. The result showed that the implementation of instructional scaffolding gave the positive effect toward the improvement of students ‘ writing ability. It was based on the enthusiastic and the active participation of the students in the process of teaching and learning, and also the result of students’ test on writing descriptive text from pre-cycle with the mean was 59.00 increase at the end of cycle III became 70.13.