Delphi Processes
As of 2026, we have conducted one consensus conference and Delphi process. We plan to do three subsequent Delphi processes, some of which will be anchored in consensus conferences.
Find below a description of each Delphi process, its progress towards completion, and a link to its deliverables when available.
Did you know?
The Delphi Method is a structured process in which experts respond to questions over several rounds, refining their answers until a shared agreement is reached. It produces recommendations that meet a defined level of consensus and can inform best-practice guidelines for practitioners, researchers, and policymakers in the field of violent extremism prevention.
Delphi Process Topic I - Online and offline PVE
Objective: Develop evidence- and consensus-based best practice guidelines for the primary, secondary, and tertiary prevention of violent extremism – online and offline. Relies on the results of three systematic reviews (online radicalization, primary and secondary PVE programs, tertiary PVE programs), as well as a consensus conference conducted in 2019.
Delphi Process Topic II - Risk Assessment in PVE
Objective: Improve risk assessment practice in the field of PVE by developing guidelines on if to assess, when, how, and with whom. Ethical concerns, advantages, and potential iatrogenic effects of assessing risk will be discussed to build consensus on a topic that is, as of now, highly controversial in the PVE space. Relies on the results of a systematic review (risk assessment tools), as well as a consensus conference conducted in 2024.
Delphi Process Topic III - Prevention of harm related to hateful content
Objective: Reflect on the best ways to prevent the harms resulting from exposition to or dissemination of hateful content. Develop evidence- and consensus-based best practice guidelines for prevention at the individual and societal levels.
Delphi Process Topic IV - Intervention
Objective: Improve case management in the PVE space by developing a knowledge base of the shift markers, tipping points, and protective factors than can be leveraged by practitioners involved with individuals in trajectories towards or away from violent extremism.