Online courses often include interface designs that do not support a positive learner experience. Literature shows a variety of heuristics to detect issues of online courses. While heuristic-based inspection of usability is a dominant method for evaluating digital systems, these methods cannot be easily transferred to online courses. To close this…

We compared discussion posts from a data science ethics MOOC that was hosted on two platforms. We characterized one platform as "open" because learners can respond to discussion prompts while viewing and responding to others. We characterized the other platform as "locked" because learners must respond to a discussion prompt…