Double-blindness protects scientific validity.
Furberg
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CD
Division of Public Health Sciences, Wake Forest University School of Medicine, Winston-Salem, NC 27157-1063, USA. cfurberg@wfubmc.edu
Soliman
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EZ
D015982:Bias; D003469:Culture; D004311:Double-Blind Method; D006801:Humans; D010361:Patients / Q000523:psychology; D015990:Placebo Effect; D016032:Randomized Controlled Trials as Topic / Q000379:methods* / Q000592:standards; D015203:Reproducibility of Results; D012108:Research Personnel / Q000523:psychology; D016037:Single-Blind Method