Synthesis report on the state-of-the-art in evaluating the effectiveness of counter-violent extremism interventions. Innovative Method and Procedure to Assess Counter-violent-radicalisation Techniques in Europe D2.2

This report describes the results of the second part of work package two (WP2) of IMPACT Europe, i.e. the synthesis of the state-of-the-art in evaluating the effectiveness of counter violent extremism interventions in the radicalisation domain. The main objective of WP2 is to analyse the state-of-the-art in terms of radicalisation leading to terrorism and violent extremism factors, programmes tackling radicalisation leading to terrorism and violent extremism, and methods to evaluate their effectiveness. Specifically, it produces a WP2 database indicating which type of evaluation methodology and metric is appropriate for particular types of interventionprogrammes. This database will provide input for the IMPACT evaluation toolkit to be developed in WP3 and the user manual to be developed in WP4. Description of work We describe how we collected and coded the data for the three sub data files that are part of the WP2 database, i.e., on radicalisation factors, interventions, and evaluation methods. In explorative analyses we show what information can be extracted from these data, how the data files were synthesized and what information can be extracted from the combined data files. Results and conclusions The different data files that constitute the WP2 database structure, i.e. radicalisation factors,interventions, evaluation methods, and relations between these factors, are presented and described. A synthesis of these three sub files is conducted and sample findings from this interactive relational database are presented. The ultimate goal of WP2 is to provide a classification of methods that professionals and evaluators can easily query from different perspectives and with different purposes, such that they can study, compare, and eventually deploy the best evaluation methods in the field of deradicalisation interventions.