The Impact of Vocabulary Extraction Activities on English Reading Comprehension and Language Proficiency among Grade 12 Students at Wat Phrasrimahadhat Secondary Demonstration School, Phranakhon Rajabhat University

This study aimed to evaluate the impact of vocabulary extraction activities on the English reading comprehension and language proficiency. This study was conducted at Wat Phrasrimahadhat Secondary Demonstration School, Phranakhon Rajabhat University, focusing on Grade 12 students majoring in Science-mathematics, Mathematics-English, English Chinese, and English Japanese. The study involved 150 students in the second semester of 2024 academic year. The instruments of data collection were reading materials, vocabulary extraction worksheets and student survey questionnaires. The data was collected and analyzed by Excel Program and shown in terms of percentage. The findings revealed that 1) Most students found the vocabulary activities engaging and actively took part in them, 2) Most students recognized improvement in both vocabulary and reading comprehension, 3) Most students gained confidence and improved their understanding of new vocabulary through the activities, and 4) Most respondents express a positive stance, suggesting that Thai translations play a significant role in supporting vocabulary acquisition.