 Complete the following phrase:  The Lucifer Effect: Understanding How Good People Turn Evil is a 2007 book which includes professor Philip Zimbardos first detailed, written account of the events surrounding the 1971 Stanford Prison Experiment SPE  a prison simulation study which had to be discontinued after only six days due to several distressing outcomes and mental breaks of the participants. The book includes over 30 years of subsequent research into the psychological and social factors which result in immoral acts being committed by otherwise moral people. It also examines the 