The joint project EvaFin investigates whether, to what extent, for whom, under which conditions and how financial education interventions can contribute to effectively and sustainably support the development of financial literacy and its transfer into financial behaviour (overcoming the attitude-behaviour gap). To answer these questions, a theoretically and methodologically sound evaluation concept will be developed in cooperation with partners in the field. The concept will be applied to 12 financial education programmes aimed at people at different stages of education or life. The implementation of the 12 evaluations will lead directly to insights into the quality and potential for improvement of the financial education programmes included. In this way, the project contributes to increasing the evidence base for financial education in Germany. The results will also provide a differentiated understanding of the causal relationships (in particular the conditions for success and mechanisms of action) of financial education interventions, which have not  been researched extensively to date. The project thus makes a substantial contribution in the international research context, as there have been no systematic studies of these aspects beyond the evaluation of individual interventions.