• Frank's Lesson's Contest

    We want to see your skills! Post a video between now and November 1st showing what you've learned from Frank's lessons and 3 people will be selected to win a free shirt. Good luck everyone!

    Create a channel Learn more
  • Having trouble using the site?

    Contact support

Search results

  1. D

    HOW ARE YOU GUYS GETTING SINGLE DIGIT ES????

    That is just a demonstration of how poor a measure of variability ES is and why you shouldn’t pay much attention to it. If you care about such things you should run a 20 plus shot string, and calculate a 99.9% confidence interval. It will be a much more reliable measure of the variability of...