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GMAT Verbal Reasoning Practice Test 1

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Question : 42 of 100

Marks: +1, -0

Nearly a decade ago, researchers at Brandeis University conducted an interesting experiment with small robots. The robots were programmed to get as many individual points as possible by finding small metal pucks and taking them to a nest

in a corner of the lab. Robots were rewarded with points whenever they found a puck. But their excessive self-interest led to poor performance as robots repeatedly interfered with one another and battled over pucks. Researchers then reprogrammed the robots to share information: Robots would announce when they found a puck and listen to what other robots had to say. The robots were able to gather twice as many pucks as they had before they were reprogrammed.

Which of the following conclusions can be drawn from the experiment described in this passage?

Robots can be taught human behaviors.
The robots were poorly programmed in the first experiment.
The researchers were shocked by the difference in results between the two experiments.
Sharing information can dramatically improve the productivity of a group.
Self-interest leads to unproductive behavior

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