{
 "ari": {
  "n_A4_interrupted": 20,
  "n_recovery_attempted": 20,
  "n_selfcheck_pass_final": 20,
  "ARI": 1.0,
  "acceptance_after_recovery": 0.8421052631578947,
  "total_cost_mean_A4_interrupted_cumulative": 0.8632354999999998,
  "note": "A4 interrupted cost = cumulative client total over both sessions (no imputation); A3 interrupted cost imputed from wall time",
  "recovery_wall_mean": 227.33
 },
 "contrast_A4int_minus_A3int_S": {
  "estimate": 0.8,
  "ci_lo": 0.55,
  "ci_hi": 0.95,
  "perm_p": 0.00415,
  "J": 10
 }
}