A clinical trial is “blind” if participants are unaware of whether they are in the experimental or control arm of the study; also referred to as masked.
See also:
Clinical trial
Placebo
Placebo-controlled studyBaseline
Bias
Blind
Brief Summary
Baseline
Clinical Trial Enrolment
Clinical
Clinical Trial
Cohort
Control Group
Controlled Trial
Diagnostic Trials
Dichotomous Question
Dose-ranging Trial
Double blind Trial
Drop Out
Drug-drug interaction
Effectiveness
Efficacy
Eligibility Criteria
Endpoint
Experimental Drug
Informed Consent
International Clinical Trial Registry Platform (ICTRP)
Methodology
Open label Trial
Phase I Trials
Phase II Trials
Phase III Trials
Phase IV Trials
Placebo
Placebo Effect
Pre-clinical Trials
Prevention Trials
Quality of Life Trials
Randomisation
Randomised Trial
Risk-benefit analysis
Screening Trials
Single-blind Trial
Trial endpoint
Treatment Trials
Adverse Event
Adverse Reaction