{
  "generatedAt": "2026-07-24",
  "classification": "KLMに基づく条件付き試算（利用者の実測値ではありません）",
  "sourceModel": {
    "name": "Keystroke-Level Model",
    "paper": "Card, Moran and Newell (1980), The Keystroke-Level Model for User Performance Time with Interactive Systems",
    "operatorsSeconds": {
      "keyOrButtonPress": 0.2,
      "pointing": 1.1,
      "homingBetweenDevices": 0.4
    }
  },
  "comparison": [
    {
      "method": "keyboardShortcut",
      "formula": "2 × 0.2",
      "seconds": 0.4
    },
    {
      "method": "mouseHandAlreadyOnMouse",
      "formula": "1.1 + 0.2",
      "seconds": 1.3
    },
    {
      "method": "mouseHandStartsOnKeyboard",
      "formula": "0.4 + 1.1 + 0.2",
      "seconds": 1.7
    }
  ],
  "assumedDifferenceSeconds": 1.3,
  "annualEstimate": {
    "workdaysPerYear": 240,
    "formula": "1.3 × actionsPerDay × 240 ÷ 3600",
    "scenarios": [
      {
        "actionsPerDay": 30,
        "hoursPerYear": 2.6
      },
      {
        "actionsPerDay": 100,
        "hoursPerYear": 8.6666666667
      },
      {
        "actionsPerDay": 200,
        "hoursPerYear": 17.3333333333
      }
    ]
  },
  "limitations": [
    "思考時間、ショートカットを思い出す時間、エラー、疲労、システム待ち時間は含めない",
    "手の初期位置やポインター位置によって差は変わる",
    "現代の全利用者に共通する実測値ではない"
  ]
}