The first tier of the test battery is an olfactory screening test consisting of a 12-odor identification test. This test discriminates anosmia from hyposmia and normosmia. As a second tier, the Threshold–Discrimination–Identification Test offers a more extensive analysis of olfactory deficits (TDI score, Sniffin’ Sticks). A growing pool of normative data (Kobal et al., 2000) is now available an...

All participants received a test for odor identification (“Sniffin Sticks” 16 item test) either on the left or on the right side. There were 73 right nostril and 64 left nostrils tested. The data was recorded at a science festival open to the public at the Technische Universität Dresden (Technical University of Dresden), and test participants consisted of people at fair who came to the booth to...