CREATING AN INSTAGRAM FILTER TO ENHANCE VOCABULARY MASTERY IN EFL STUDENTS

The way of learning in Indonesia has changed significantly at this time. By utilizing the Instagram application which has a filter feature, it will help students facilitate vocabulary mastery. The title presented is “Creating an Instagram Filter to Enhance Vocabulary Mastery in EFL Students”. This research aims to develop Instagram Filters to Enhance Vocabulary Mastery in EFL Students. The problem to be researched is, "How does the designed Instagram Filter facilitate students' vocabulary mastery in EFL classes?" In this research, the researcher adapted the Research and Development model from Borg and Gall. Interview instruments, student response questionnaires, and validation sheet questionnaires will be processed using mixed methods. The results of this research show that the media developed was Valid by education experts getting a score of 86% and product and design experts getting 96%. The results of the student response questionnaire received a score of 90.8%, which is in the very valid category. Apart from that, the researchers also conducted experiments by conducting pre-tests and post-tests which showed an increase in the average score from 56.29 to 76.57. This proves that using Instagram filters makes a significant difference in increasing students' vocabulary mastery.