Years of interventionist research - Relevance still lost? - Interventionist research in brief - A framework for analysing interventions - Selected research projects - Accessing information at the emic level - Non-accounting interventions in accounting - Opening the "black boxes" in accounting - Studying new and emerging topics - Interventionist research impacting society - Research intervention as part of a toolbox - Lessons learned - Analysing the research projects - Managerial perspectives : interview study - Towards a typology of research interventions