part of has participant has role planned process participant under investigation role informed consent process informing subject of study arm Person:Alan Ruttenberg 2009/09/28 Alan Ruttenberg. Fucoidan-use-case 09/28/2009 Alan Ruttenberg. This and the class informing-investigator-of-study-arm are defined in order to solve the question of how to represent single and double blind experiments. To represent the aspect of blinding pertaining to subjects (happens in single and double blinding) we say that that the study execution doesn't include any processes of this sort A planned process with the objective to make the subject aware of which study arm they are participating in. Informing participants whether they are receiving a placebo or a treatment with an investigational compound. informing subject of study arm metadata complete