This is an interventional effectiveness study - children are randomly allocated using stratified random sampling to one clinical trials

Evaluating the effectiveness of the RILL literacy with language intervention for primary-aged children in English and Welsh

This study looks at a new version of the RILL programme, an online reading and language support for 7-9 year olds in schools across Wales. It aims to see if RILL helps children who are finding reading difficult improve more than usual classroom lessons.