All experiments in psychology are not of this type, however. For
example, there have been many experiments running rats through all
kinds of mazes, and so on—with little clear result. But in 1937
a man named Young did a very interesting one. He had a long
corridor with doors all along one side where the rats came in, and
doors along the other side where the food was.
In Feymann’s Cargo Cult Speech he writes:
What’s the paper towards which Feymann points?
We don’t know: http://lesswrong.com/lw/3jx/the_decline_effect_and_the_scientific_method_link/396z