A lot of people think that the “Hard” button is just an “Again”-lite button. Maybe it would be clearer if there was a larger gap between the two; to show how Hard is actually more similar to Good than to Again.
I did misunderstand for a long time, but I set the hard interval to 0.8
I think we should put these three options in one box
That seems like it would break the scheduling algorithm for everyone to make allowances for a small subset of folks. Better for the subset to learn to use the grading buttons correctly.