Topkaraoğlu, MertDilman, Hakan2024-07-122024-07-1220151303-04932148-4929https://search.trdizin.gov.tr/yayin/detay/180940https://hdl.handle.net/20.500.12415/9388The purpose of this study is to determine the difference between two groups of students as regards to vocabulary size levels after the implementation of vocabulary enhancement activities. While the students in control group followed the regular curriculum including the second one thousand most frequent words in English, the students in experimental group had a fourteen-week schedule of vocabulary implementation with enhancement activities consisting of the second one thousand most frequent words in English integrated into the regular curriculum. The sampling of the study consists of the students from a vocational school in Yalova. A total of 88 male, second-grade students participated in the study in the academic year of 2010 2011. This study adopted Version 1 of the Vocabulary Levels Test (Schmitt, 2000) as an instrument to examine the students' general vocabulary size levels. After the implementation period, it was observed that there was a significant difference between the experimental and the control groups in favor of the experimental group in terms of vocabulary size levels.eninfo:eu-repo/semantics/openAccessArticle363234918094015