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Stuttering: prevalence, onset, natural recovery and risk factors
Stuttering usually begins in the preschool years, in children with normal language development; most recover by themselves within the first years, and the chance of recovery is higher for girls, when stuttering has lasted a short time, and when the family history is of recovery rather than persistent stuttering.
Why it matters in the exam
Questions ask for numbers and patterns: about 1% of the population stutters at any time (in Israel about 100,000 people), but about 5% of children will stutter at some point; stuttering starts before the third birthday in over 60% of children who stutter; boys stutter more than girls, and the gap grows with age; and most natural recovery happens in the first three to four years after onset, and is possible up to about five years.
Another part concerns causes: stuttering is partly inherited, so a family member who stutters is common; persistence is more likely when stuttering has gone on for over 12 months, when relatives stuttered persistently, and in boys; severity at onset does not predict recovery. Models that are asked: the demands and capacities model (age-appropriate demands can still outrun what the child can do at that moment), Sheehan's conflict between the drive to speak and the drive to stay silent, and Alm's dual premotor model.
Key points
- About 1% stutter at any time; about 5% will stutter in childhood.
- Most onsets are before age 3, with normal language.
- Most children recover, mainly in the first 3–4 years.
- Persistence: over 12 months, persistent stuttering in the family, boys.
- Stuttering is multifactorial; communicative pressure increases it.
Summary table
| Topic | What is known | Number or wording for the exam |
|---|---|---|
| Prevalence | About 1% of the population stutters at any given time | In an Israel of about 10 million — about 100,000 |
| Childhood incidence | About 5% of children will stutter for some period | In a Jerusalem study: about 50 of 1,000 children aged 3–6 |
| Age of onset | Usually 2–5, sometimes suddenly | In more than 60% of cases before age 3; most children have normal language |
| Boys to girls | More boys at every age; the gap grows with age | Girls recover more |
| Natural recovery | Most children recover | Mostly in the first 3–4 years, and possible up to 5 years after onset |
| Factors for persistence | Lasting over 12 months, persistent stuttering in the family, male sex | Severity at onset does not predict |
| Models | Demands and capacities; approach-avoidance conflict; dual premotor model (Alm) | A multifactorial origin |
A free exam question
What is more true about parents of children who stutter?
- A. They label as 'stuttering' what is actually normal disfluency
- B. They often identify normal speech as stuttering
- C. They usually identify true stuttering as stuttering
- D. They recognize severe stuttering but not mild stuttering
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Sources
- Yairi & Ambrose, Early Childhood Stuttering, 2005 — Onset, natural recovery and persistence
- Guitar, Stuttering: An Integrated Approach to Its Nature and Treatment, 5th edition (2019) — Etiology: constitutional and environmental factors
- Starkweather, Fluency and Stuttering, 1987 — The demands and capacities model
Sources are given for further reading; the text is written afresh and not copied from them.
Reviewed by the Examqo AI Professor · 2026-11-02. The text may contain errors; when in doubt, check the source.