Developing Instruments for Evaluating the Authentic Assessment for Writing Skill at Junior High School

Authentic assessment is current assessment used in educational system of 2013 curriculum. It aims to evaluatestudents‟process and product of the learning. A guidance book of authentic assessment for writingskill at junior high school has been developed by the experts from UniversitasNegeri Padang. The guidance book needs to be evaluated based on the requirement of 2013 curriculum, the content or material and the authenticity of authentic assessment. The researcher used evaluation formats as the instrument of this study. The evaluation formats were developed by using theoretical based approach and were validated by two experts in language assessment and twelve English teachers at junior high school.In conclusion, the evaluationformatsbased on the requirement of 2013 curriculum consisted of nine indicators; valid, objective, fair, integrated, transparent, universal and continuous, systematic, criteria-referenced, and accountable; based on the content or material consisted of eight indicators; which is material should be related to goal of learning, assessment source, students‟ social situation, students‟ self-confidence, students‟ opportunity to use English, variety of material, students‟ easiness to learn, syllabus used; and based on the authenticity consisted of eight indicators; realistic, universal, engaged, applicative, various, transparent, student-centered, and trustworthy. Those indicators developed to evaluate the authentic assessment for writing skill at junior high school.