During the development of the Research Methods Ontology, we discussed whether the class label 'research study sample' (BCIO:050551) could be changed to 'research study participants', as the use of the term 'sample' was been criticised as potentially dehumanising.
The same issue should be considered for its subclass 'behaviour change intervention study sample' (BCIO:031000), i.e., whether the label should be changed to 'behaviour change intervention study participants'