Not necessarily true; The veil of ignorance can be induced for doctors, if some care is taken. Direct psychological effects of the pill's appearance on patien

Not necessarily true; The veil of ignorance can be induced for doctors, if some care is taken. Direct psychological effects of the pill's appearance on patients can't be measured, but the effect of the doctors spoiling the study based on that certainly can. Doctor hands patient sealed opaque pill blister pack, tells them to take two, nurse watching on a CCTV or via webcam sends a text message that they've verified the patient taking the pill.