In a college psychology course, my class studied an experiment.
This is an oversimplification, but experiment went as follows. A group of college students were shown a paper on which a 6-inch line was drawn. The paper was passed to the students sitting around table. They were asked to estimate the length of the line. Now, this experiment was rigged. The instructor, and all but one of the students, were told to say, “About 3 inches.” Again, the line was clearly longer than 3 inches.
The point was to determine whether these obviously wrong guesses would cause the unsuspecting student — the one not in on the scheme and the last one at the table to offer a guess — to also say, “About 3 inches.” In the overwhelming majority of cases, the unsuspecting students also said, “About 3 inches.”
Now there are a few ways to look at this. But one explanation is that the consensus, though…