It looked at approaches which had been studied in any setting where children and young people receive education, such as pre-schools, schools and further education institutions.
Edrychodd ar yr hyn oedd wedi cael ei astudio mewn unrhyw leoliad lle mae plant a phobl ifanc yn derbyn addysg, megis lleoliadau cyn-ysgol, ysgolion a sefydliadau addysg bellach.