This one-page visual scale can help you children who stutter to identify and report how comfortable they feel using a fluency shaping or stuttering modification strategy, participating in a specific speaking situation, talking to specific people, etc.The "Thumb Test" is an easy way for the child to rate how they are feeling, while giving the clinician a corresponding number on a 5-point scale to use for quantitative data (i.e., the student rated his comfort level a 4 out of 5 when reading aloud