Ready to Learn (RTL) is an initiative funded by the US Department of Education to promote school readiness among children aged two to eight, and most preschool children in the US are exposed to RTL media. Supporting early literacy has been one of RTL’s primary focus areas, and this meta-analysis published in Child Development examines the effect of RTL media exposure on young children’s literacy skills.
For this meta-analysis, Lisa B Hurwitz collected data from 45 evaluations involving more than 24,000 children. Overall, results indicate positive effects on children’s literacy (effect size = +0.21), equivalent to approximately 1.5 months of extra literacy learning. Effects were varied across literacy outcomes, with larger effect sizes for phonological concepts and vocabulary than for alphabet knowledge and narrative comprehension. Findings were fairly robust across a variety of research designs and across samples of children, although effects were consistently more pronounced in within-subjects designs and for preschool-age children.
Source: Getting a read on Ready to Learn media: a meta-analytic review of effects on literacy (February 2018), Child Development doi:10.1111/cdev.13043