No observed harm in an aquarium study: how much remains uncertain? worksheet Article: https://fishymag.com/articles/aquarium-study-no-events-upper-bound Scheduled publication: 2026-11-10T04:00:00.000Z Original FishyMag editorial worksheet. Worked cases are illustrative, not records of a real aquarium or treatment instructions. Precisely defined adverse event: ______________________________ Observation horizon and completeness: ______________________________ Independent experimental unit: ______________________________ Number observed and event count: ______________________________ Equal-probability binomial assumptions: ______________________________ Confidence level and one-sided method: ______________________________ Calculated bound and rounding: ______________________________ Endpoints, periods and settings not represented: ______________________________