Research Below is a list of articles critical of the use of Sticker Charts: https://www.psychologytoday.com/blog/dont-worry-mom/201408/the-dos-and-donts-the-sticker-charthttp://www.theatlantic.com/health/archive/2016/02/perils-of-sticker-charts/470160/https://medium.com/@ericaetelson/no-more-good-doggie-86f0e26a1d6f#.zd4fp36yr