Adventurous_Home_153 t1_j9vlfhj wrote on February 24, 2023 at 9:42 PM Reply to comment by fastspinecho in What are the best alternatives to a double-blind RCT if blinding is impossible: example you cannot have a double-blind RCT to test the effectiveness of masks against covid. What is the best way to test if masks, as worn in real life, are effective? by DenebianSlimeMolds Could you elaborate on that? Why isn't sham surgery a valid control group for a new surgical treatment? Permalink Parent 1
Adventurous_Home_153 t1_j9vlfhj wrote
Reply to comment by fastspinecho in What are the best alternatives to a double-blind RCT if blinding is impossible: example you cannot have a double-blind RCT to test the effectiveness of masks against covid. What is the best way to test if masks, as worn in real life, are effective? by DenebianSlimeMolds
Could you elaborate on that? Why isn't sham surgery a valid control group for a new surgical treatment?