Developing Instruments for Evaluating Validity, Practicality, Effectiveness of the Authentic Assessment For Writing Skill at Junior High School

Authentic assessment assesses real students’ ability as closely as their real life experience in a subject. It is a comprehensive assessment of all instructional activities covering both process and product of learning. A guidebook to implement authentic assessment for writing skill for junior high school has been developed by some experts. The authentic assessment instrument has to fulfill the requirements of being valid, practical and effective to make it a good device. This research focuses on evaluating the validity, practicality and effectiveness of the authentic writing assessment for grade 7 and 8 of junior high schools. Moreover, the appropriate instruments are needed to evaluating validity, practicality, and effectiveness of the authentic assessment for writing skill. This study aimed at developing instruments for evaluating validity, practicality, and effectiveness of authentic assessment for writing skill at junior high school. The instruments were developed by using theoretical based approach and were validated by the expert in language assessment and English language teachers at Junior High School. The developing instruments were in the form of the questionnaire. The questionnaire based on the validation from the experts and English teachers, it can be concluded that the instruments are valid and can be used for evaluating validity, practicality, and effectiveness of the authentic assessment for writing skill at junior high school.