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RT @AkivaRosenzveig: 4/2001 survey of 91 IM physicians: 🔸75% knew the meaning of single-blind and 40% understood double-blind 🔸2012 survey…
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4/2001 survey of 91 IM physicians: 🔸75% knew the meaning of single-blind and 40% understood double-blind 🔸2012 survey of 66 single-blinded trials: 26 referred to patients, 22 referred to outcome assessors, and 16 to investigators https://t.co/16lXnk6J38 ht