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. Author manuscript; available in PMC: 2013 May 1.
Published in final edited form as: J Commun Disord. 2012 Feb 6;45(3):198–211. doi: 10.1016/j.jcomdis.2012.01.004

Figure 1.

Figure 1

Mean percent syllables stuttered (%SS), stutter-free syllables per minute (SFSPM), speech naturalness (NA) and speech effort (EFF) scores for each 1-min trial within each ABA experimental triad for persons who stutter (PWS) and control groups. Naturalness and Effort are scored from 1 (preferable: highly natural or highly effortless) to 9 (less preferable: highly unnatural or highly effortful); decreases in these variables are interpreted as improvements.