TY - BOOK AU - Yılmaz,Rabia AU - Mohammadzadeh,Behbood TI - ANALYSIS OF SPEECH ACTS IN TURKISH EFL HIGH SCHOOL TEXTBOOKS PY - 2022/// KW - Speech acts (Linguistics) KW - Dissertations, Academic KW - Textbooks KW - English language N1 - Thesis (MA) - Cyprus International University. Institute of Graduate Studies and Research English Language Teaching Department; Includes bibliography (sheets 61-66) N2 - ABSTRACT The study in your hand was carried out by analyzing speech acts in conversational dialogues in Turkish EFL high school textbooks. Its primary purpose is to provide theoretical data on the effective use of the concept of speech act, which is the basic unit of communicative, operational, and situational approaches, which has been used significantly in English second language teaching books since the 1980s, with a systematic approach and effective in teaching English as a foreign language. The thesis consists of a total of 5 chapters. In the first chapter, general information about the idea is given. These are the background of the study, the problem situation, the aim of the study, the research questions, the importance of the study, and the study’s limitations. The second part includes the concepts related to the study survey. These are the definition of textbooks and types of textbooks, the importance of textbooks in foreign language classes, the adverse effects of using textbooks, the importance of evaluating textbooks, speech acts, and types of speech acts. The research model, data source, data collection, and data analysis are included in the third section. In the fourth chapter, six research questions were answered. Searle's speech act classification, explanations of five speech act types, and then speech act sentences which analysed in Turkish EFL high school textbooks, and the speech act sentences where 9th grade, 10th grade and 11th-grade books are given in the tables. Six research questions were answered. Then, in the fourth chapter, the frequency and percentage of speech act usage in these books are shown in tables and figures. Chapter 5 contains the conclusion and recommendations for future research. The finding of the study revealed that the expressive speech acts, directive speech acts, representative speech acts, and commissive speech acts were used in conversational dialogues in high school textbooks in Turkey. Of the five speech act types, only declarations speech acts did not appear in the three high school textbooks. Our analysis showed that the most used speech act was the directive speech act, with 67 uses in the 9th-grade textbook, 47 uses in the 10th-grade textbook, and 62 in the conversational dialogues in the 11th-grade textbook, with a total of 176 uses. Keywords: Speech Acts, Textbooks Evaluation, Turkish EFL High School Textbooks ER -