{
  "title": "6件を統合した効果は改善方向で、区間は基準値を上回る",
  "subtitle": "架空の品質改善プログラムを評価した独立研究｜同じ指標・対象条件",
  "effectMeasure": "品質指標の差",
  "unit": "点",
  "nullValue": 0,
  "intervalLabel": "95%信頼区間",
  "studies": [
    { "label": "北部工場", "lower": 1.2, "estimate": 2.8, "upper": 4.4, "weight": 18 },
    { "label": "南部工場", "lower": -0.8, "estimate": 1.1, "upper": 3.0, "weight": 12 },
    { "label": "第一ライン", "lower": 0.4, "estimate": 2.2, "upper": 4.0, "weight": 20 },
    { "label": "第二ライン", "lower": -0.2, "estimate": 1.5, "upper": 3.2, "weight": 15 },
    { "label": "試験工程", "lower": 1.0, "estimate": 3.1, "upper": 5.2, "weight": 22 },
    { "label": "標準工程", "lower": -1.4, "estimate": 0.3, "upper": 2.0, "weight": 13 }
  ],
  "pooled": { "lower": 0.8, "estimate": 1.9, "upper": 3.0 }
}