AnalysisonLexicalErrorsinHighSchoolStudents’EnglishWritingOutlineofthePresentationResearchBackgroundResearchquestionsResearchObjectivesResearchDesignTheoreticalFrameworkTheTheoryofCATheTheoryofCATheTheoryofEAInterlanguageInterlanguageOutlineChapterThreeResearchDesignandMethodology3.1ResearchQuestions3.2Subjects3.3MethodsandInstruments3.3.1QualitativeandQuantitativeAnalysis3.3.2WritingTasks3.3.3Questionnaire3.4ResearchProceduresChapterFourDataAnalysisandDiscussion4.1QualitativeAnalysisoftheResultsfromtheQuestionnaire4.2AnalysisoftheCausesoftheLexicalErrors4.3PedagogicalImplicationsoftheStudyonELTChapterFiveConclusion5.1MajorFindings5.2LimitationsandFutureResearch