Notes
1 Abstracted from: Stuart, A., Kalinowski, J., Saltuklaroglu, T., & Guntupalli, V. K. (2006). Investigations of the impact of altered auditory feedback in-the-ear devices on the speech of people who stutter: One-year follow-up. Disability and Rehabilitation, 28(12), 757–765.
Source of funding: Janus Development Group, Inc., Greenville, NC, supplied the AAF devices at a reduced cost. The authors developed the device.