Why Do Patterns of Communication Matter So Much?

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Responses to that important question are diverse and enlightening. Here’s what Alex (“Sandy”) Pentland thinks:

It seems almost absurd that how we communicate could be so much more important to success than what we communicate.

Yet if we look at our evolutionary history, we can see that language is a relatively recent development and was most likely layered upon older signals that communicated dominance, interest, and emotions among humans. Today these ancient patterns of communication still shape how we make decisions and coordinate work among ourselves.

Consider how early man may have approached problem solving. One can imagine humans sitting around a campfire (as a team) making suggestions, relating observations, and indicating interest or approval with head nods, gestures, or vocal signals. If some people failed to contribute or to signal their level of interest or approval, then the group members had less information and weaker judgment, and so were more likely to go hungry.

Patterns of communication, for example, explained why performance varied so widely among the seemingly identical teams in that bank’s call center. Several teams there wore our badges for six weeks. When my fellow researchers (my colleagues at Sociometric Solutions: Taemie Kim, Daniel Olguin, and Ben Waber) and I analyzed the data collected, we found that the best predictors of productivity were a team’s energy and engagement outside formal meetings. Together those two factors explained one-third of the variations in dollar productivity among groups.

Drawing on that insight, we advised the center’s manager to revise the employees’ coffee break schedule so that everyone on a team took a break at the same time. That would allow people more time to socialize with their teammates, away from their workstations. Though the suggestion flew in the face of standard efficiency practices, the manager was baffled and desperate, so he tried it. And it worked: AHT [call handle time] fell by more than 20% among lower-performing teams and decreased by 8% overall at the call center. Now the manager is changing the break schedule at all 10 of the bank’s call centers (which employ a total of 25,000 people) and is forecasting $15 million a year in productivity increases. He has also seen employee satisfaction at call centers rise, sometimes by more than 10%.

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Alex (“Sandy”) Pentland is Toshiba Professor of Media Arts and Sciences and Director, Media Lab Entrepreneurship Program, at MIT Sloan Management School. To learn more about him and his exciting work, please click here.

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