Sequencing that does not depend on other people

Cohort activities fail quietly in self-paced courses.

Discussion forums, peer review and group activities are valuable when a cohort is genuinely moving together. In a self-paced course they are the single most reliable source of learner frustration, because the learner arrives at the activity and there is nobody there.

Worse, they frequently gate progress. A learner who cannot proceed until a peer responds is stuck for reasons unrelated to their own effort, and the course has converted its social ambition into an obstacle.

The workable arrangements are either a genuine cohort with dates, which is a different product and should be sold as one, or asynchronous activities that function alone and are enriched by others: a contribution that stands by itself, with previous contributions visible as reading.

Where interaction genuinely matters, scheduled live sessions at a small number of fixed points work better than continuous forum expectation, because they concentrate attendance rather than dispersing it.

It is worth adding that cohort-based courses have the opposite failure mode and it is just as damaging. A learner who falls two weeks behind a cohort cannot catch up, because the group has moved on and the activities requiring participation have passed. Self-paced forgives interruption and loses social contact; cohort provides contact and punishes interruption, and neither is universally better.