ARTICULATION INDEX By N., Pam M.S. - April 7, 2013 an index used to measure speech intelligibility within a given operational environment. It reflects and measures the degree of separation between speech and noise. ARTICULATION INDEX: "The articulation index may be used to measure whether speech is audible or not given the amount of machinery operating within the same environment." Related Psychology Terms ARTICULATION TEST CONTINUOUS RATING SCALE PLOSIVE NOISE ABATEMENT ALTERNATE BINAURAL LOUDNESS-BALANCE TEST DEPRIVATION INDEX GOODNESS OF FIT BORG SCALE SPEECH INTELLIGIBILITY SYNTHETIC SPEECH Cite this page: N., Pam M.S., "ARTICULATION INDEX," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/articulation-index/ (accessed April 19, 2021).