A parent rating scale for children who stutter

As SLPs, we don't examine communication skills in a vacuum, but instead must take into account how our clients’ speech–language impairments affect their daily lives
This study takes data from over 259 questionnaires* completed by the parents of children who stutter between 2 ½ and 14 ½ years old. They performed careful statistical analyses in order to identify which questions best measure certain constructs, in an attempt to refine the questionnaire and remove questions that are essentially duplicates (questions that measure something another question already measured better). The constructs were described by three categories (“Impact of Stuttering on the Child”, “Severity of Stuttering and Impact on the Parents”, and “Parent’s Knowledge and Confidence in Managing the Stuttering”), resulting in a 19-item questionnaire. The researchers also compiled normative scores from the data set, which can be used to get an estimate of “degree” for each of the factors, and also to help measure progress.
And—here’s the exciting part—not only is the scale shared in the appendix of the study, but the researchers have also created a free online version, where score calculation is done for you! The online option may also help with parent participation.

Millard, S.K., & Davis, S. (2016). The Palin Parent Rating Scales: Parents' Perspectives of Childhood Stuttering and Its Impact. Journal of Speech, Language, and Hearing Research. Advance online publication. doi: 10.1044/2016_JSLHR-S-14-0137.

*The original questionnaire was the PRS-V1.