I have made a couple more exercise sheets for finger independence. There’s nothing particularly original about them, but I’m finding them helpful. (Click on each image for a nice PDF version with more detailed instructions for how to use it.)
I call this one “Find the string”. It’s for helping the banjoist (that is, me) to get a better feel for where each string is, in relation to the fingers already on the string:
And I call this one “Chord notes”. I think this way of practicing chords is a rather old idea, certainly not original with me: