Lecture 7 Flashcards
What’s the world’s population of stutterers?
6,815,000,000
What is the stuttering incidence (recovery) for the world?
(5-12%) 341,000,000
What is the stuttering prevalence (persistent) for the world?
(.7%) 48,000,000
What is the prevalence of stuttering in the U.S?
(0.7%) 2,150,000
What are the sources of our knowledge of stuttering?
- Parental report
- Child’s speech, reactions, and tests.
- Standardized tests
- Instrumental data
- Genetics
Why are parental reports used as a source?
The most skilled person to identify when something is going wrong.
What kinds of things do standardized tests determine?
- Characteristics
- Quantify over features
- Temperamental
- Attitudes
- Feelings
When does stuttering start to emerge?
- Between 2 to 3 years
____% of children start to stutter between the ages of 18 and 42 months.
85%
What are longitudinal studies considered?
The gold standard
What is the genetic factors in childhood?
2.1 males to 1 female
What is the genetic factors in adulthood?
4 males to 1 female
Stuttering has been documented in how many cultures?
All of them
What did Wendell Johnson think about the documentation of stuttering?
He believed that there was a tribe in Africa that didn’t have any stutterers. This was a result of them not having a word for stuttering.
What races have a higher incidence of stuttering?
All of them have the same
Why disorder in children tend to have a higher incidence of stuttering, but show low emotional reactivity to their stuttering?
Children with Down Syndrome
Approximately how many people are considered persistent chronic stutterers in the US?
5 million (I think this was the answer).
How many children have a sudden onset of stuttering?
41%
How many children have a intermediate onset of stuttering?
32%
How many children have a casual onset of stuttering?
27%
What do the types of onset for stuttering tell us?
It tells us that most kids have a sudden or intermediate onset of stuttering
What did Yairi say about the primary characteristics of stuttering?
stuttering like disfluencies
How controversial are counting single-syllable repetition as stuttering?
Very controversial
What percent of children exhibit at least one of the secondary characteristics?
52%
What are some secondary characteristics of stuttering?
♣ non speech behavior ♣ avoidance ♣ try to get through a block ♣ eye blinking ♣ tapping on the table ♣ jerking head ♣ moving your whole body ♣ facial contortions ♣ respiratory irregularities ♣ others
What percentage of stutterers did clinicians say were mild?
35%
What percentage of stutterers did clinicians say were moderate?
45%