Reading aloud: a practical guide

What the paediatric guidance says

In September 2024 the American Academy of Pediatrics released an updated position promoting shared reading starting in infancy. It tells paediatricians to encourage shared reading beginning at birth and continuing at least through kindergarten, including in neonatal intensive care where possible, and to give families guidance and books at well-child visits. It places the highest priority on children from low-income families who may lack books at home, and recommends books that are diverse and developmentally and linguistically appropriate.^[1][2]

The AAP prefers high-quality print books, and says that where screens or audiobooks are used, back-and-forth interactions around them are recommended. Its lead author suggests making books part of the bedtime routine, and the AAP asks paediatricians to encourage reading aloud even at visits where books are not available. It describes shared reading as supporting social-emotional, cognitive, language and literacy development and as a way of building secure relationships. These are the AAP's recommendations, set out here as information and not as medical advice.^[2]

What the meta-analyses find

Dowdall and colleagues (2020) meta-analysed 19 randomised controlled trials, involving 2,594 children aged 1 to 6, of programmes that train caregivers to share picture books. The effects on children's language were small: d = 0.41 for expressive and d = 0.26 for receptive language. The effect on caregivers' book-sharing competence was large (d = 1.01), though only five of the 19 studies supplied that data. Programmes with a lower dose had minimal impact on child language.^[3][4]

Flack, Field and Horst (2018) meta-analysed 38 studies with 2,455 children on word learning from shared storybook reading. Dialogic reading styles, the number of tokens (the paper's term) and the number of words tested moderated the size of the effect. The child's age, who read the story and the delay between reading and testing did not. The authors identify story repetition and the type of word as areas needing more research.^[5]

The reviews do not agree on every point. Mol and colleagues (2008), as summarised by Forssman and Gottwald, reported that two- to three-year-olds benefited much more from interactive reading interventions than four- to five-year-olds, whereas Dowdall and Flack found that age was not a significant moderator. Forssman and Gottwald also note that few interactive reading interventions have targeted infants and that evidence beyond the language domain is scarce.^[4][3][5]

Interactive or dialogic reading

Interactive or dialogic reading means the adult actively engages the child in conversation about the story, rather than only reading the words aloud. In the National Early Literacy Panel's shared reading studies, interventions that required high child participation had a larger average effect size than those requiring little (0.59 against 0.41), but the difference was not statistically reliable. Flack and colleagues found that dialogic reading styles moderated word learning. Taken together, interaction looks helpful for vocabulary, though the size of its added benefit is uncertain.^[6][5][7]

The picture is less clear for children at risk. Grolig's review reports that dialogic reading with parents, in an earlier meta-analysis it cites, had very small effects for children at risk of literacy and language impairment, compared with moderate effects for children not at risk, and that adding inferential questions to literal ones can strengthen vocabulary gains. A small US imaging study of 22 four-year-old girls from low-income households found that higher shared reading quality was associated with more activation in left-sided brain areas supporting language, but quality scores were generally low and the authors state that their cross-sectional design cannot establish causation.^[8][9]

Frequency, routine and long-term outcomes

In a US study of 48 parent-child pairs recorded at home at 14, 18, 26 and 30 months, book reading made up only about 9 per cent of the talk children heard from parents. It still predicted receptive vocabulary, reading comprehension and internal motivation to read in second to fourth grade after controls, but not decoding. The authors describe the study as correlational. Grolig adds that effects look small over months and substantial over years. None of the AAP material opened for this guide specifies a number of minutes or books per day, so no such figure is given here.^{[10][8][1][2]}

Reading aloud sits inside a wider picture of care. The Nurturing Care Framework, launched in 2018 by the World Health Organization, UNICEF and the World Bank Group, lists five components: good health, adequate nutrition, safety and security, responsive caregiving and opportunities for learning. Shared reading is one way of providing the last two, not the only one. Programme dose also matters: Dowdall and colleagues found that lower-dose interventions had minimal impact on child language, although that review measured programme contact time, not how often families read at home.^[11][3]