such statistics are however difficult to compare due to different national concepts of collecting and processing information fuller et al the information in this subsection is based on a questionnaire sent by the oecd to member countries during the course of to identify effective strategies among countries for improving skills governance and turning qualitative and quantitative information on skills needs into relevant action for policy the questionnaire was developed in cooperation with the european centre for the development of vocational training cedefop the european training foundation etf and the international labour organisation ilo the questionnaire was distributed to governments ministry of labour and ministry of education as well as to social partners employer organisations and trade union confederations