1) The study evaluated the effectiveness of using e-portfolios in an online course by examining students' experiences submitting assignments, receiving peer feedback, and exploring other students' portfolios. 2) The e-portfolios were found to be effective for submitting assignments but not for exchanging peer feedback. The homepage design of the portfolios was also not attractive. 3) Most students had a positive attitude towards using e-portfolios and hoped to use them again due to their flexibility. However, some students faced difficulties uploading assignments and were not able to explore other portfolios or receive instructor feedback.