{
  "scope": "synthetic binary accepted decisions; descriptive arithmetic only",
  "rows": [
    {
      "period": "earlier",
      "category": "familiar",
      "accepted": "72",
      "attempts": "80"
    },
    {
      "period": "earlier",
      "category": "developing",
      "accepted": "8",
      "attempts": "20"
    },
    {
      "period": "later",
      "category": "familiar",
      "accepted": "19",
      "attempts": "20"
    },
    {
      "period": "later",
      "category": "developing",
      "accepted": "40",
      "attempts": "80"
    }
  ],
  "pooled": {
    "earlier": "4/5",
    "later": "59/100"
  },
  "benchmarks": {
    "equal": {
      "familiar_weight": "1/2",
      "earlier": "13/20",
      "later": "29/40",
      "change": "3/40"
    },
    "earlier_mix": {
      "familiar_weight": "4/5",
      "earlier": "4/5",
      "later": "43/50",
      "change": "3/50"
    },
    "later_mix": {
      "familiar_weight": "1/5",
      "earlier": "1/2",
      "later": "59/100",
      "change": "9/100"
    }
  }
}