Research
Neural
Blinding subjects to the treatment increases individual differences in endurance effort, which may reduce precision of performance outcomes in controlled trials.
Controlled trials should consider blinding to minimize variability in performance outcomes.
StrongSupportsmedium confidence
Blinding subjects to the treatment increases individual differences in endurance effort, which may reduce precision of performance outcomes in controlled trials.
Why this rating
Based on study design from abstract.
Source
Placebo effect of carbohydrate feedings during a 40-km cycling time trial
V. R. Clark et al. · Medicine & Science in Sports & Exercise · 2000
rct · n=43Cited 186×
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