By: Sharon Begley, The Wall Street Journal Classroom Edition
Saturday, December 04, 2004


The woman had never helped herself to so much as a paper clip from the office.

But when she visited Petrified Forest National Park in Arizona it was as if she had had a character transplant. A sign explained that, over the years, so many people had picked up chunks of the petrified wood scattered across the terrain that anything smaller than the gigantic logs on the desert floor could soon be gone, and it warned visitors to therefore refrain from this illegal act.

The woman's reaction? She told her boyfriend they had better pick up some pieces this very visit, or there wouldn't be any left.

This reaction stunned her boyfriend, but it shouldn't have. In study after study, social psychologists have shown that it is the group with which a person identifies, not individual personality, that often determines behavior, says Robert Cialdini of Arizona State University, who describes this incident in one of his studies. The upright woman inferred, correctly, that pocketing bits of petrified wood was normal behavior for visitors to the forest, and wanted to conform to the group norm.

Who Are They?

Superficially, this is just peer pressure on a larger scale. But as scientists are learning, the groups with which people identify can easily change, depending on circumstances. To understand why people do the things they do, you need to look at the group with which they identify at the time.

That realization is shaping scientists' understanding of suicide bombers, whose numbers have soared lately. Who are they? Not the cowardly psychopaths or sociopaths you might expect. "There is little to no evidence that they are mentally unbalanced," says Todd Stewart, a retired Air Force general who now directs the Program for International and Homeland Security at Ohio State University. From the 9/11 attackers to Palestinian suicide bombers to al Qaeda terrorists, they are educated, fairly well-off and "not necessarily from fanatically religious families," he says.

This alarmingly normal profile is why the National Science Foundation gave anthropologist Scott Atran, a research director at the National Center for Scientific Research in Paris, emergency funding to study groups that sponsor suicide attacks. He recently spent three weeks in Gaza and the West Bank, where he spoke to counterterrorism strategists, fugitive Hamas leaders, would-be suicide bombers and families of "martyrs."

"None of the supporters of suicide terrorism I interviewed, especially at al-Najah University, were poor, uneducated, socially estranged or psychologically deranged," says Prof. Atran. "They are idealistic and compassionate, and think they can change the world. That makes the whole thing more frightening than if they were just crazies off the street."

In a study of al Qaeda recruits, forensic psychiatrist Marc Sageman of the University of Pennsylvania finds a similar pattern: Many of the recruits attended college and are economically better off than most Palestinians or European Muslims, and they are often "the elite of their countries," he says.

'Sacred Values'

But suicide terrorists are not rational in the way science understands the term. They do not weigh risks and benefits or winning and losing strategies. For the suicide bomber, says Prof. Atran, "'sacred values' and fervor trump rational interest." For instance, when he asked a group of young Hamas supporters whether a martyr is "more deserving" if he kills 10 of the enemy or 100, all responded that it wouldn't matter if the martyr killed only himself. He also asked, "If your father were dying and your mother asked you to delay your suicide operation, would you?" All answered that "duty to God" cannot be delayed for even a minute.

Yet when Prof. Atran got the aspiring martyrs alone, "there was a lot more nuance, flexibility and doubt," he says. "They're not so sure anymore, whereas in the group they're convinced of what they're saying."

That's why insights into suicide attackers will have to come from understanding group dynamics, not individual psychology, says Gen. Stewart. "Group norms are more important than individual traits" in creating a suicide bomber, he says. Terrorist leaders make recruits view the group-terrorist cell or larger society-as a pseudofamily for whom they will give their life. That manipulation can trump individual personality to produce horrific behavior in ordinary people.

Psychology experiments show how disturbingly easy it is to manipulate people into committing atrocities. The key is to inculcate a sense of belonging and hence obligation to a group. In the controversial "Stanford Prison Experiment" in 1971, for instance, 24 normal college-age men were assigned to be guards or prisoners. The "guards" quickly became sadistic, engaging in what Stanford University psychologist Philip Zimbardo called "pornographic and degrading abuse of the prisoners," presaging the behavior of American troops at the Abu Ghraib prison in Iraq.

We won't prevent suicide attacks by trying to profile terrorists; they're not different enough from everyone else. The best hope, says Gen. Stewart, may be to understand how terrorist groups "socialize" recruits and exploit their desire for status and belonging-and then to offer these young people an alternative. The group a person identifies with, as the woman at Petrified Forest showed, is not set in stone.

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To view the article on the Wall Street Journal Classroom Edition website, visit http://www.wsjclassroomedition.com/archive/04dec/intl_bomber.htm.

This article originally appeared in the October 8, 2004 edition of the Wall Street Journal under the title Alternative Peer Groups May Offer Way to Deter Some Suicide Bombers.