Copyright © American Speech-Language-Hearing Association From: The Effectiveness of the Progression of Widex Zen Tinnitus Therapy: A Pilot Study Am J Audiol. 2017;26(3):283-292. doi:10.1044/2017_AJA-16-0009 Legend: Average performance over time for the Tinnitus Handicap Questionnaire (THQ), Tinnitus Primary Functions Questionnaire (TPFQ), and Tinnitus Functional Index (TFI). IC = informational counseling; HA = hearing aid fitting; ZEN = Zen fitting; TAT = tinnitus activities treatment–based counseling; FU = follow-up. Date of download: 12/26/2017 Copyright © American Speech-Language-Hearing Association