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Randomised controlled trial
Robustness, risk and responsivity in early language acquisition: a randomised trial of a low-intensity language promotion programme for slow to talk toddlers finds no effects on language or behavioural development
  1. Catherine L Taylor
  1. Population Sciences Division, Telethon Institute for Child Health Research, Perth, Australia
  2. Centre for Child Health Research, University of Western Australia
  3. Centre for Population Health Research, Curtin Health Innovation Research Institute
  1. Correspondence to Catherine Louise Taylor
    Population Sciences Division, Telethon Institute for Child Health Research, 100 Roberts Rd Subiaco WA 6008, Perth 6008, Australia; katet{at}

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Language is a robust developmental phenomenon, characterised by rapid and prodigious growth and change in the first 3 years of life. It is a universal capability that is acquired effortlessly by most children. Adult input is essential to acquiring language so that children learn the languages spoken to them. Predictable milestones observed in early language development are the onset of first words followed by combining single words in simple sentences. Across cultures, child rearing practices and childhood experiences suggest that powerful neurodevelopmental mechanisms guide the onset and timing of these milestones.

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  • Competing interests None.