Difficulty: Easy
Average Score: 100%
During the early development of a new idea, scientists behave rather like artists, driven by temperament. We start off with a hunch, a feeling, even a desire that the world be one way, and then we proceed from that presentiment, often sticking with it long after the data suggest we may be leading ourselves and others down a blind alley. What saves us is that experiment acts as the ultimate referee, settling all disputes. No matter how strong our hunch is, at some point we will have to prove it with facts. Otherwise our hunch, no matter how strongly held, will remain just that.

In the first two sentences ('During'… 'alley'), scientists are presented as all of the following EXCEPT:

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