PPT Slide
Changes in Intelligibility, Speaking Rate, & Oral Movement Rates (Con’t) (Yorkston, Strand, Miller, Hillel, Smith, 1993)
The largest decrease in intelligibility
occurred between scores 5 & 4.
The 5 to 4 transition represents a
period of transfer to AAC systems.
Speech rate and DDK rates may be
precursors to changes in speech