{
  "task_id": "F6-conf-04",
  "naive_estimate": -0.13169790632300882,
  "naive_ci_low": -0.1603518326928757,
  "naive_ci_high": -0.10304397995314195,
  "baseline_metric": 3.8601022336733584,
  "model_metric": 1.9758571828823268,
  "effect_estimate": 0.25353820594501253,
  "effect_se": 0.009812212326345536,
  "effect_ci_low": 0.2343066231767153,
  "effect_ci_high": 0.27276978871330976,
  "skill_index_coefficient": -4.624620879345756,
  "conclusion": "positive_effect",
  "feasibility": "complete",
  "feasibility_reason": null,
  "data_issues": [
    {
      "issue": "12 firms have negative training_hours (min -7.585); hours of training per employee cannot be negative, so these values are invalid.",
      "handling": "Excluded from the main analysis (no imputation). Sensitivity: re-estimated with them included; the training coefficient changes by <0.002 pp/hour."
    }
  ],
  "n_input_rows": {
    "firms.csv": 1200
  },
  "n_analysed": 1188,
  "random_seed": null
}