This week our special guest becomes our special guest co-host as Nick Green from BehaviorFit returns to the podcast to talk with us about behavioral fitness.  Can the Good Behavior Game increase our activity levels? And just how do variable-ratio schedules deal with obesity.  All that, plus an update on Nick's movement about movement.  Don't make the rest of us run: we're full of chocolate! Articles discussed this episode: De Luca, R.V. & Holborn, S.W.  (1992).  Effects of a variable-ratio reinforcement schedule with changing criteria on exercise in obese and nonobese boys.  Journal of Applied Behavior Analysis,  25, 671-679.  doi: 10.1901/jaba.1992.25-671 Galbraith, L.A. & Normand, M.P.  (2017).  Step it UP! Using the Good Behavior Game to increase physical activity with elementary school students at recess.  Journal of Applied Behavior Analysis, 50, 856-860.  doi: 10.1002/jaba.402 If you're interested in ordering CEs for listening to this episode, click here to go to the store page. You'll need to enter your name, BCBA #, and the two episode secret code words to complete the purchase. Email us at abainsidetrack@gmail.com for further assistance.