Wilbur Scoville was first published in 1895 and has gone through at least 8 editions. The book was used as a pharmacological reference up until the 1960s. Scoville also wrote "Extracts and Perfumes", which contained hundreds of formulations. For a time he was a professor at the Massachusetts College of Pharmacy and Health Sciences. In 1912, he devised the test and scale known as the "Scoville Organoleptic Test" while working at the Parke-Davis pharmaceutical company. It measured piquancy, or "spiciness", of various chili peppers. It is now standardized as the Scoville scale. In 1922, Scoville won the Ebert prize from the American
Mokken scale Mokken scale The Mokken Scale is a psychometric method of data reduction. A Mokken scale is a unidimensional scale that consists of hierarchically-ordered items that measure the same underlying, latent concept. This method is named after the political scientist Rob Mokken who suggested it in 1971. Mokken Scales have been used in psychology, education, political science, public opinion, medicine and nursing. Mokken scaling belongs to Item response theory. In essence, a Mokken scale is a non-parametric, probabilistic version of Guttman scale. Both Guttman and Mokken scaling can be used to assess whether a number of items measure the same underlying