People don’t like robots that are better than them

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A photo of a child shaking hand with a robot
Photo by Andy Kelly on Unsplash

Robots are designed to be faster than humans. We build them, in part, to make our lives easier and improve efficiency in industries from manufacturing to health care. But new research led by Cornell University and soon to appear in the Proceedings of the 14th ACM/IEEE International Conference on Human-Robot Interaction shows that morale suffers when humans work next to hyper-efficient machines.

The team of behavioral economists and roboticists set out to explore how humans behaved and reacted when competing against robots. In the study, human participants were pitted against a robot in a contest to count the number of times the letter G appeared in a string of characters and then place a block in a bin each time it occurred. It’s not exactly a task worthy of the factory floor, but it required visual acuity, recognition, and motor skills.

The test also gave an advantage who the participant that was most efficient in the long series of tests. Winning was based not only on the speed at which the task could be completed, but a “lottery” based on the time scores of each competitor: “If their scores were the same, the human had a 50 percent chance of winning the prize, and that likelihood rose or fell depending which participant was doing better.”

The humans were kept aware of this percentage as a nearby screen constantly displayed the chances of winning at each turn.

But it was not the results of the speed test that the researchers were after; it was data based on a questionnaire the human participants filled out after each round asking them to rate the robot’s competence, their own competence, and the robot’s “likability.” In the press release, the researchers report that “as the robot performed better, people rated its competence higher, its likability lower, and their own competence lower.”

Cash prizes were involved in the competition as well, adding another layer of intrigue. But despite the potential reward, humans tended to not only find themselves less competent but also expend less effort on tasks when the robots were outperforming them. Unsurprisingly, they liked the robots less in this case as well.

The new study backs up decades of research by behavioral economists on loss aversion which suggested that people don’t try as hard at tasks when it’s obvious that their competitors are outperforming them.

And while the research was done on a low-stakes task involving a game, there are lessons here for human-machine interaction in the future, especially in the workplace. Team member Guy Hoffman, assistant professor at Cornell’s Sibley School of Mechanical and Aerospace Engineering, said:

“While it may be tempting to design such robots for optimal productivity, engineers and managers need to take into consideration how the robots’ performance may affect the human workers’ effort and attitudes toward the robot and even toward themselves. Our research is the first that specifically sheds light on these effects.”

So while robots might be able to perform tasks more efficiently in the workplace, if humans are going to be working side-by-side with them in the future, managers will need to be mindful of how their human employees are affected by robot co-workers. If robots are seen as more competent and less likable – and if these attitudes lead to a dip in morale – there’s at least some chance that overall productivity will suffer.

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