The Stanford Prison Experiment: forty years on

Paul Raven @ 11-07-2011

Via MindHacks, the Stanford University alumni magazine has interviewed a bunch of participants in the infamous Prison Experiment for the fortieth anniversary thereof. The ethics of the SPE are quite rightfully questioned, even to this day, but even so it’s a hugely valuable data point in our understanding of human nature and its response to cultural roles.

Phil Zimbardo:

We had arranged for everyone involved—the prisoners, guards and staff—to be interviewed on Friday by other faculty members and graduate students who had not been involved in the study. Christina Maslach, who had just finished her PhD, came down the night before. She’s standing outside the guard quarters and watches the guards line up the prisoners for the 10 o’clock toilet run. The prisoners come out, and the guards put bags over their heads, chain their feet together and make them put their hands on each other’s shoulders, like a chain gang. They’re yelling and cursing at them. Christina starts tearing up. She said, “I can’t look at this.”

I ran after her and we had this argument outside Jordan Hall. She said, “It’s terrible what you’re doing to these boys. How can you see what I saw and not care about the suffering?” But I didn’t see what she saw. And I suddenly began to feel ashamed. This is when I realized I had been transformed by the prison study to become the prison administrator. At that point I said, “You’re right. We’ve got to end the study.”

Christina Maslach:

At first Phil didn’t seem different. I didn’t see any change in him until I actually went down to the basement and saw the prison. I met one guard who seemed nice and sweet and charming, and then I saw him in the yard later and I thought, “Oh my God, what happened here?” I saw the prisoners being marched to go down to the men’s room. I was getting sick to my stomach, physically ill. I said, “I can’t watch this.” But no one else was having the same problem.

Phil came after me and said, “What’s the matter with you?” That’s when I had this feeling like, “I don’t know you. How can you not see this?” It felt like we were standing on two different cliffs across a chasm.

Dave Eshelman:

What came over me was not an accident. It was planned. I set out with a definite plan in mind, to try to force the action, force something to happen, so that the researchers would have something to work with. After all, what could they possibly learn from guys sitting around like it was a country club? So I consciously created this persona. I was in all kinds of drama productions in high school and college. It was something I was very familiar with: to take on another personality before you step out on the stage. I was kind of running my own experiment in there, by saying, “How far can I push these things and how much abuse will these people take before they say, ‘knock it off?'” But the other guards didn’t stop me. They seemed to join in. They were taking my lead. Not a single guard said, “I don’t think we should do this.”

The fact that I ramped up the intimidation and the mental abuse without any real sense as to whether I was hurting anybody— I definitely regret that. But in the long run, no one suffered any lasting damage. When the Abu Ghraib scandal broke, my first reaction was, this is so familiar to me. I knew exactly what was going on. I could picture myself in the middle of that and watching it spin out of control. When you have little or no supervision as to what you’re doing, and no one steps in and says, “Hey, you can’t do this”—things just keep escalating. You think, how can we top what we did yesterday? How do we do something even more outrageous? I felt a deep sense of familiarity with that whole situation.

Every time I’m reminded of the SPE, I find myself thinking that every politician, general and CEO in the world should be forced to study it in intimate detail.

That thought is immediately followed by the horrible suspicion that they already have.

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