Yes. I have been studying once a week for almost a year. (Once a week is just not enough!) I often feel I have seen no results at all! But sometimes I "get" it. I move a certain way and it's effortless, and bigger stronger uke goes right over. I may not be able to do it twice, but it's more than I could do before.
It is best for me when I am just there in the moment of learning and trying and moving, not comparing to before, or to other students. When I am just there, I am really experiencing what is happening now. That feels best of all.