the results of the effective provision of preschool education eppe study from england united kingdom have also shown that key explanatory factors for highquality ecec were related to staff with higher qualifications staff with leadership skills and longserving staff trained staff working alongside and supporting less qualified staff staff with a good understanding of child development and learning sirajblatchford higher proportions of staff with lowlevel qualifications were related with less favourable child outcomes in the socioemotional domain social relationships with their peers and cooperation there is no simple relationship between the level of education of staff and classroom quality or learning outcomes