* Pros:

* Students can learn at their own pace.

* Students can access the course materials at any time.

* Students can choose the order in which they complete the course modules.

* Cons:

* Students may not have the motivation to complete the course if they are not following a schedule.

* Students may miss out on important information if they do not complete the course modules in the correct order.

* Students may not have the opportunity to interact with other students or the instructor if the course is not offered in a live format.

Scheduled courses

* Pros:

* Students have a set schedule to follow, which can help them stay motivated.

* Students can interact with other students and the instructor in real time.

* Students can get immediate feedback on their work.

* Cons:

* Students may not be able to learn at their own pace.

* Students may not be able to access the course materials at all times.

* Students may have to choose between taking a scheduled course and taking another course that they are interested in.

Conclusion

The decision of whether to offer courses on demand or following a schedule is a complex one. There are pros and cons to both approaches, and the best approach for a particular course will depend on the needs of the students and the instructor.