It would be good to add (1958) to the title -- I doubt such an experiment would fly today, and this presents a fascinating look back in history both at the state of experimental ethics and the development of modern refrigerator doors. The only experience I have with fridges so old is the one that my grandfather rotated 90 degrees and buried in his yard, to serve as a root cellar. I think the door may have had an actu…
But only 11% of them required help to calm down, and of the 96 subjects that were followed after 8 months, they showed very little residual effect to being subjected to entrapment in refrigerators.
Come on, that has to be good enough to test on children!