2.1.4. IDEA Protocol

Similarly to the SHELF method, the IDEA protocol is attributed to the mixed approaches using both mathematical and behavioral aggregation of expert knowledge [27]. This is done by structuring the process in four main steps, forming the IDEA acronym [25,27]:


The original formulation of the IDEA protocol as defined in References [25,27] aims at eliciting numerical quantities or probability by implementing sets of questions.
