Revalidation of Grammar Attitude Scale: The Fuzzy Delphi Method Approach

Grammar instruction remains a contentious issue in the field of teaching and teacher education. It is generally agreed that attention to grammatical form necessary beneficial, but research still needed on some grammar-related issues. Because learners' mastery grammar key language proficiency, it essential examine teachers' attitudes towards instruction, valid measurement instrument required. As result, study sought revalidate attitude scales regarding grammar, as well obtain consensus expert opinions scale. The uses Fuzzy Delphi method with seven-point Likert scale collect responses from nine experts English Language Teaching field. evaluation twenty-item questionnaire was assigned experts. technique used for data analysis. triangular fuzzy numbering (triangular number) analyze data, 'defuzzification' process determine position (ranking) each variable. response are at satisfactory level, according findings. overall agreement exceeds 75%, value threshold (d) 0.2, -cut greater than 0.5. elements priority guidelines were prioritized refined by adding removing items suggested Further future researchers.