Eurydice published their new publication on the 26th of Januar.  Eurydice trys to give an answer for example to this question: What types of evidence are used in the creation of education policy?

You can find the full version of the publication under the following link:
https://webgate.ec.europa.eu/fpfis/mwikis/eurydice/images/f/f4/206_EN_Evidence_based_policy_making.pdf