* The usability issues are 95% CSS issues, and would require a good UX designer. They're distracting for the first 10 minutes, but really need a fix.
* I've had students go through two semesters of courses. We ran into two minor errors. We fixed them. In my experience, the content is rather bug-free.
Contributing a fix takes all of five minutes. Hit "edit" at the top right, make the change in the github UX, and submit a PR.
The quality of your bug report here leaves much to be desired.
Are you talking about the Devyn / Riley dialogue at the top? If so, many of those appear designed to highlight misconceptions which are then addressed in the text. See "vicarious learning" for research evidence on how this works (and in practice, students seem to like the dialogues too).
* I've had students go through two semesters of courses. We ran into two minor errors. We fixed them. In my experience, the content is rather bug-free.
Contributing a fix takes all of five minutes. Hit "edit" at the top right, make the change in the github UX, and submit a PR.
The quality of your bug report here leaves much to be desired.
Are you talking about the Devyn / Riley dialogue at the top? If so, many of those appear designed to highlight misconceptions which are then addressed in the text. See "vicarious learning" for research evidence on how this works (and in practice, students seem to like the dialogues too).