The systematic evaluation of promising methods and attracting skilled teachers into the early years could save billions of pounds and enhance the outcomes of children in future years.

BBC: Viewpoints: Childcare changes

While high-end evaluation methods like randomized control trials (RCTs) are the surest means of determining what interventions in fact cause certain outcomes, they are also time-consuming and costly and beyond the means of many, if not most, mainstream nonprofits.

FORBES: An Interview with Paul Carttar, Director of the Social Innovation Fund