Rumbold, P., Dodd-Reynolds, C., & Stevenson, E. (2013). Agreement between paper and pen visual analogue scales and a wristwatch-based electronic appetite rating system (PRO-Diary), for continuous monitoring of free-living subjective appetite sensations in 7–10 year old children. Appetite, 69(1), 180-185. https://doi.org/10.1016/j.appet.2013.06.005