If the student goes down to the 40th percentile, it suggests that something in Miss Judy's instruction was not working.

NPR: 'L.A. Times' Series Examines Teacher Ratings

He's been working with videos, books and instruction for a couple years.

NPR: Chi Runners Poised for Softer Landings

As an avid reader of the late Harvey Penick's sage instruction books, I also determined to spend most of my practice time working on my short game and putting.

WSJ: Why Shorter Can Be Better for Golfers. Really.