NEW YORK

“Power tends to corrupt, and absolute power corrupts absolutely,” Lord Acton once said.

But recent psychological research upends this adage. Sure, power in the wrong hands can be dangerous. It turns out, however, that power does not always lead to bad behaviour — and can actually make leaders more sensitive to the needs of others. Several studies suggest ways to encourage positive power.

Some psychologists separate power, defined as the control of valued resources, into two concepts: power perceived as freedom, and power perceived as responsibility. How you view power can affect how you use it.

When you see power as a source of freedom, you are likely to use it to serve yourself, selfishly. But when you see it as responsibility, you tend to be selfless.

Who you are — your character and cultural background — affects your approach to power. But contextual clues about how power should be used can be surprisingly effective in altering leadership behaviour.

For example, according to one survey, published last year in the journal Personality and Social Psychology Bulletin, people generally had the notion that those with power should act more ethically than those without but in truth act less ethically. And when people reflected on how they felt power was actually used — that is, unethically — obtaining a sense of power themselves made them more likely to cheat in a dice game. But when they thought about how they felt it should be used — ethically — power made them less likely to cheat.

A separate study found that awareness of the good behaviour of others can improve the behaviour of those with power. In that research, published in The Leadership Quarterly, students assigned to lead a group behaved less selfishly when told that other leaders had been unselfish.

A heightened sense of accountability can also keep power in check. A study in Social Psychological and Personality Science found that making people feel powerful increased their clarity and compassion when they had to lay off an employee in a hypothetical situation, but only when they knew they had to explain their layoff approach to others.

Merely shifting leaders’ focus to the experiences of others can lead them to use power in more thoughtful ways. In a forthcoming study in the British Journal of Social Psychology, researchers had undergraduates write about something that had happened to them or to someone they knew. Then the students evaluated their peers in a product-naming task, and some of them were given the power to help determine a winner. The researchers found that people with that power were more concerned about the peers they were evaluating than were those without it — but only if they’d first been asked to recount another’s experience.

“Any policy, any values, any organisational climate that draws attention to those lower in power should do the trick,” said Annika Scholl, a psychologist at the Leibniz-Institut fuel Wissensmedien, in Tuebingen, Germany, and the lead author of the study.

When people don’t personally identify with a group, Scholl said, giving them more power tends to reduce their feelings of responsibility for people in the group. But when they start with the sense that they belong to the group, greater power tends to make them more concerned about their effects on others. If you can find common ground, she said, “you think in terms of ‘we’ rather than ‘I.’”

Simply leaving a cloistered office and spending time with subordinates can shift a leader’s attitude. Melissa Williams, a psychologist at Goizueta Business School at Emory University, said physical proximity in shared office space often makes leaders more sensitive.

Companies in the marketplace have been using such insights for years. For example, TDIndustries, a privately held construction firm in Dallas, has embraced a principle known as “servant leadership” since 1970. What sounds like an oxymoron neatly describes power seen as responsibility. TDIndustries uses a number of techniques to ensure that its leaders work not to exploit workers but to enable them to flourish.

Every year, for example, employees evaluate their supervisors. They are asked whether their manager treats them fairly, offers appropriate training and includes them in their team. The feedback affects supervisors’ salaries and promotions.

“You’ve got to walk the talk here,” said Maureen Underwood, the executive vice president for human resources at the company. “And if you get lousy scores, then you get some extra adult supervision.”

There is another important factor in using power responsibly: When leaders feel that their power is being threatened, they tend to behave more selfishly, Williams wrote in an article in the Journal of Management. She cited studies showing that such behaviour increases when leaders feel insecure in their positions, doubt their own competence or sense that they are not respected. Precarious authority can lead people to lash out in order to maintain control. She notes the importance of selecting people who are a good fit for their tasks, whatever their positions, and then treating them with fairness and gratitude, ameliorating any resentment or self-doubt.

TDIndustries, which has appeared consistently on Fortune’s annual list of the top 100 workplaces in the United States, sees sensitive leadership as a matter of policy. “We say our supervisors have to do two things,” Underwood said. “You have to be servant leaders, and you have to make money. And they’re not mutually exclusive.”