Reminds me a bit of the Red Bean experiment. (https://www.youtube.com/watch?v=oMb_UKYHvto https://www.youtube.com/watch?v=oMb_UKYHvto -- longer vid has some les

Reminds me a bit of the Red Bean experiment. (https://www.youtube.com/watch?v=oMb_UKYHvto https://www.youtube.com/watch?v=oMb_UKYHvto -- longer vid has some lesson summaries at the end https://youtu.be/JeWTD-0BRS4?t=19m39s https://youtu.be/JeWTD-0BRS4?t=19m39s) Too often trying to use praise or punishment to change the system is the wrong thing entirely, the underlying system is flawed.