English ComprehensionHardThe authors say placebos remain useful in clinical trials chiefly because they:Acure patientsBblind investigators as well as patients, preventing biased handlingCreplace medicationDdeceive ethicallyCheck AnswerAnswerThe correct answer is Option B.Share:WhatsAppTwitter🔗 Copy LinkDetailed SolutionThey blind trials.conceptual solutionThey blind trials.Browse All PYQ PapersTake a Mock Test