In 1931, Price paid Duncan £50 to perform a number of test séances. She was suspected of swallowing cheesecloth which was then regurgitated as "ectoplasm". Price had proven through analysis of a sample of ectoplasm produced by Duncan that it was made of cheesecloth. She reacted violently at attempts to X-ray her, running from the laboratory and making a scene in the street, where her husband had to restrain her, destroying the controlled nature of the test. According to Price in a report of the mediumship of Duncan: