Sight Reading: The Ideal Error Rate for Optimal Learning

When you're practicing sight-reading, how difficult should the music be? Should it be easy enough that you can read it more or less perfectly, without any mistakes? Should it be difficult enough that you're making lots of mistakes, and feeling really challenged? Could there a specific "sweet spot" or Goldilocks zone where your sight-reading skills improve at the fastest possible rate? Get all the nerdy details here: Sight Reading: The Ideal Error Rate for Optimal Learning * * * Have you ever ...