A comparison of sniff bottle staircase and olfactometer-based threshold tests

J. E. Hayes, A. L. Jinks, R. J. Stevenson

    Research output: Contribution to journalArticle

    6 Citations (Scopus)


    Olfactometers have been gaining popularity as research tools, but they have yet to replace established testing procedures in a variety of laboratory and clinical settings, including absolute threshold tests. In this research, we designed and operated a simple olfactometer with which to assess threshold. To do this, we used a method-of-adjustment test that was compared to the three-alternative forced choice ascending sniff bottle staircase method, which is currently a standard threshold test procedure. We found that the olfactometer threshold test correlated highly with the staircase method, and that it possessed suitable test-retest reliability. The advantages of the olfactometer threshold test include faster test time and reduced cleaning and reassembly demands. Future use of the olfactometer in olfactory identification and/or detection thresholds amongst odors is also outlined.

    Original languageEnglish
    Pages (from-to)178-182
    Number of pages5
    JournalBehavior Research Methods
    Issue number1
    Publication statusPublished - 2013

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