Improve student learning using online formative assessment system

This paper aims to explain the key factors of an online assessment system that can effectively improve student learning. Some of the key literatures with regard to the style of online assessment and feedback were reviewed. The goal of the study is to conduct a survey questionnaire in order to collect data for analysis to address the research question. The research results show that the key factors of an online assessment system that can effectively improve students learning are providing instant and detailed feedback, using formative style assessment, and providing a communication tool between students and teachers.