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Maria Yasinta Da'a
Universitas Katolik Widya Mandira
Education

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IMPROVING SENIOR HIGH SCHOOL STUDENTS’ VOCABULARY MASTERY THROUGH A PICTURE MATCHING GAME: A CLASSROOM ACTION RESEARCH Maria Yasinta Da'a; Priscilla Maria Assis Hornay
Jurnal Dedikasi Pendidikan Vol. 10 No. 2 (2026): JULI 2026
Publisher : Center for Research and Community Service (LPPM) University of Abulyatama

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30601/dedikasi.v10i2.7493

Abstract

Vocabulary mastery is a fundamental pillar in English language learning, yet Indonesian students consistently struggle to develop adequate lexical knowledge due to traditional practice-based teaching and low classroom engagement. This classroom action research investigated the effectiveness of a Picture Matching Game (PMG) in improving students’ vocabulary mastery and learning motivation among Grade XI students of SMA Sint Carolus Penfui Kupang. Adopting Kemmis and McTaggart’s (1988) spiral model, the study was conducted in two cycles involving 18 students. Quantitative data were collected through pre-test and post-test vocabulary assessments, while qualitative data were drawn from classroom observations and field notes. Results demonstrated significant improvement: mean vocabulary scores increased from 55.00 pre-action to 81.11 in Cycle II, with mastery rates improving from 16.67% to 88.89%. Student engagement similarly rose from 31.67% to 85.00%. The findings confirm that PMG is a pedagogically feasible approach to increase vocabulary retention, boost learning motivation, and reduce language anxiety in Indonesian EFL classrooms. Therefore, teachers are recommended to integrate visual game-based strategies as part of regular instruction.
Co-Authors Priscilla Maria Assis Hornay