The purpose of the present study was to elaborate the effect of providing the constructive feedback to open and distant students who enrolled in the online learning program. The participants were 30 students who studied in eight sessions of the online course. They had to discuss course content in available chat forum of the Learning LMS and complete written assignments. The constructive feedback with some characteristics - specific and actionable; descriptive and helpful; showing respect; address to issues and tasks; and provide dialogue - were immediately provided by the tutors on the students' discussion and their written assignments. Pre-test and post-test sessions were implemented to get information regarding the influence of constructive feedback on students' cognitive aspects. In addition, the online interview session was also applied to gather the information concerning the impact of the constructive feedback provision on students' motivational aspects. It is therefore concluded that the provision of constructive feedback student's motivation and knowledge while they were participating in online learning program.