Sample size negotiator

See exactly what coverage you get at any sample size — and generate a stakeholder explanation on the spot.

Study parameters

Study type

Expected problem occurrence rate (p) — 0.31

rare (0.05)common (0.80)

Target coverage

—

recommended participants

actual coverage

—

marginal gain at +1

—

coverage with n−2

—

Coverage curve

% problems found recommended n

Stakeholder script

Copy this to paste into a slide or email

—