UK schools commonly employ a behavioral discipline method comprising rules, rewards awarded when children follow the rules and sanctions when children break them. To date, this approach has had only limited success in halting classroom disruption (Render, Padilla and Krank, 1989; Riley & Rustique-Forrester, 2002; Gutherson & Pickard,…

In hypothetical scenarios involving two groups (nations or groups of workers), subjects voted on three proposals: one helped group A (their group), one helped B, and one helped both groups, more than the average of the first two but less than their maximum. When subjects voted for one proposal, most voted for the one that helped group A. This…