I think it's a common euphemism, similar to referring to "subjects" as "participants" and so on. - https://link.springer.com/referenceworkentry/10.1007%2F978-3

I think it's a common euphemism, similar to referring to "subjects" as "participants" and so on. - https://link.springer.com/referenceworkentry/10.1007%2F978-3-540-68706-1_1425 https://link.springer.com/referenceworkentry/10.1007%2F978-3... - https://az.research.umich.edu/medschool/glossary/double-masked-design https://az.research.umich.edu/medschool/glossary/double-mask... - https://aidsinfo.nih.gov/understanding-hiv-aids/glossary/211/double-blind-study https://aidsinfo.nih.gov/understanding-hiv-aids/glossary/211...