documents read in both arms:                         180 / 180
decoys whose heading set differs between the arms:    60 / 90
subjects whose heading set differs between the arms:  0 / 90
  depth    30 / 30
  fence    30 / 30
  placebo  0 / 30

SELFTEST PASSES (ADR-RS 22c(b)): every TREATED decoy is separable by the property under test, no placebo decoy is, and no subject is. Headroom is PROVEN, not observed.
