Copyright © American Speech-Language-Hearing Association From: Efficacy of the Modifying Phonation Intervals (MPI) Stuttering Treatment Program With Adults Who Stutter Am J Speech Lang Pathol. 2015;24(2):256-271. doi:10.1044/2015_AJSLP-14-0076 Legend: Mean %SS, SFSPM, and NAT scores from TEST assessments (cf. Figure 2), shown separately for three within-clinic speaking tasks (orange = READ; blue = MONO; black = PHONE) and three beyond-clinic speaking tasks (green = PHONE; blue = CONV (family); red = SELF-SEL). %SS = percent syllables stuttered; SFSPM = syllables per minute in stutter-free speech; NAT = speech naturalness; TEST = Treatment Evaluation Speaking Tasks (Ingham et al., 2001); MPI = Modifying Phonation Intervals treatment. Date of download: 1/11/2018 Copyright © American Speech-Language-Hearing Association