Peak–end rule end. The effects of the duration of an experience upon retrospective evaluation are extremely slight. Fredrickson and Kahneman labeled this phenomenon "duration neglect". The peak–end rule is applicable only when an experience has definite beginning and end periods. A 1993 study titled "When More Pain Is Preferred to Less: Adding a Better End" by Kahneman, Fredrickson, Charles Schreiber, and Donald Redelmeier provided groundbreaking evidence for the peak–end rule. Participants were subjected to two different versions of a single unpleasant experience. The first trial had subjects submerge a hand in 14 °C water for 60 seconds. The second trial had subjects
Rule by decree Rule by decree Rule by decree is a style of governance allowing quick, unchallenged creation of law by a single person or group, and is used primarily by dictators, absolute monarchs and military leaders. The expression is also sometimes used when describing actions of democratic governments that are perceived to unduly bypass parliamentarian or popular scrutiny. Rule by decree allows the ruler to arbitrarily create law, without approval by a legislative assembly. When states of emergency such as martial law are in place, rule by decree is common. While rule by decree is easily susceptible to the whims and corruption