Effects of integral stimulation therapy on speech - Portland State ...

Analysis <strong>of</strong> speech probe results included tracking the number <strong>of</strong> target speech
attempts and recording the number <strong>of</strong> those attempts resulting in correct productions.
Speech intelligibility was measured by a percent consonant correct (PCC) score for each
target sound for every session throughout the duration <strong>of</strong> this study. Criterion for correct
productions included accurate placement, manner, and voicing <strong>of</strong> target speech sounds
according to individual sound characteristics. All three characteristics (place, manner,
and voicing) were required to be accurately produced within the carrier phrase in order
for it to be judged by the clinician as correct. PCC was calculated by dividing the number
<strong>of</strong> correct productions in the speech probe by the number <strong>of</strong> possible productions. A
percentage correct was obtained and recorded for each sound. Results were graphed over
the period <strong>of</strong> 40 sessions to determine the level <strong>of</strong> change in percent consonants correct
<strong>of</strong> target sounds.
Adjustments to treatment implementation and client targets were made as the
course <strong>of</strong> CP’s communicative needs and specific language pr<strong>of</strong>ile changed. Changes
were made with consideration to parental feedback, child preferences, as well as clinical
and research judgments.
Validity and Reliability
Throughout the duration <strong>of</strong> this study, the graduate clinician was consulted by her
adviser, a licensed speech-language pathologist, to ensure the implementation <strong>of</strong> <strong>integral</strong>
<strong>stimulation</strong> techniques and principles were valid. Randomly selected treatment videos
were reviewed by an authority on the <strong>integral</strong> <strong>stimulation</strong> <strong>therapy</strong> approach, and were
found to be consistent with <strong>therapy</strong> guidelines. Upon completion <strong>of</strong> this study, reliability
testing was completed on 12% <strong>of</strong> randomly selected audio-video recorded speech probes.
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