{
  "Classroom copy": "1 October 2026",
  "Disclosure": "Completed records are constructed teaching data. Blank practical forms contain no readings.",
  "Teaching data": {
    "instrument-check record data": {
      "head": [
        "Check water",
        "A read1 °C",
        "B read1 °C",
        "A read2 °C",
        "B read2 °C",
        "Wait s"
      ],
      "rows": [
        [
          "Before: room",
          "________",
          "________",
          "________",
          "________",
          "________"
        ],
        [
          "Before: cool",
          "________",
          "________",
          "________",
          "________",
          "________"
        ],
        [
          "After: room",
          "________",
          "________",
          "________",
          "________",
          "________"
        ],
        [
          "After: cool",
          "________",
          "________",
          "________",
          "________",
          "________"
        ]
      ],
      "provenance": "Blank empirical instrument-check record; no readings supplied.",
      "conditions": "Use one sheet per group per phase; equal sensing depths in common stirred water; reads 30 s apart; maker interval and minimum 60 s. Not calibration.",
      "units": {
        "temperature": "°C",
        "instrument wait": "s"
      },
      "source id": "",
      "disclosure": "Blank empirical instrument-check record; no readings supplied."
    },
    "fresh paired trial 1 data": {
      "head": [
        "Target min",
        "Actual clock",
        "Reference °C",
        "Prototype °C",
        "Room °C",
        "Notes"
      ],
      "rows": [
        [
          "0",
          "________",
          "________",
          "________",
          "________",
          "________"
        ],
        [
          "5",
          "________",
          "________",
          "________",
          "—",
          "________"
        ],
        [
          "10",
          "________",
          "________",
          "________",
          "________",
          "________"
        ]
      ],
      "provenance": "Blank empirical recording form: no readings supplied.",
      "conditions": "Fresh matched pair F1; reference bare cup; prototype original sleeve with one dry felt sheet; 150 mL each; 0/5/10 min.",
      "units": "Temperature: °C; time: minutes; volume: mL",
      "source id": "",
      "disclosure": "Blank empirical recording form: no readings supplied."
    },
    "fresh paired trial 2 data": {
      "head": [
        "Target min",
        "Actual clock",
        "Reference °C",
        "Prototype °C",
        "Room °C",
        "Notes"
      ],
      "rows": [
        [
          "0",
          "________",
          "________",
          "________",
          "________",
          "________"
        ],
        [
          "5",
          "________",
          "________",
          "________",
          "—",
          "________"
        ],
        [
          "10",
          "________",
          "________",
          "________",
          "________",
          "________"
        ]
      ],
      "provenance": "Blank empirical recording form: no readings supplied.",
      "conditions": "Fresh matched pair F2; reference bare cup; prototype original sleeve with one dry felt sheet; 150 mL each; 0/5/10 min.",
      "units": "Temperature: °C; time: minutes; volume: mL",
      "source id": "",
      "disclosure": "Blank empirical recording form: no readings supplied."
    },
    "fresh paired trial 3 data": {
      "head": [
        "Target min",
        "Actual clock",
        "Reference °C",
        "Prototype °C",
        "Room °C",
        "Notes"
      ],
      "rows": [
        [
          "0",
          "________",
          "________",
          "________",
          "________",
          "________"
        ],
        [
          "5",
          "________",
          "________",
          "________",
          "—",
          "________"
        ],
        [
          "10",
          "________",
          "________",
          "________",
          "________",
          "________"
        ]
      ],
      "provenance": "Blank empirical recording form: no readings supplied.",
      "conditions": "Fresh matched pair F3; reference bare cup; prototype original sleeve with one dry felt sheet; 150 mL each; 0/5/10 min.",
      "units": "Temperature: °C; time: minutes; volume: mL",
      "source id": "",
      "disclosure": "Blank empirical recording form: no readings supplied."
    },
    "fresh paired trial 1 data · retest trial 1": {
      "head": [
        "Target min",
        "Actual clock",
        "Reference °C",
        "Prototype °C",
        "Room °C",
        "Notes"
      ],
      "rows": [
        [
          "0",
          "________",
          "________",
          "________",
          "________",
          "________"
        ],
        [
          "5",
          "________",
          "________",
          "________",
          "—",
          "________"
        ],
        [
          "10",
          "________",
          "________",
          "________",
          "________",
          "________"
        ]
      ],
      "provenance": "Blank empirical recording form: no readings supplied.",
      "conditions": "Fresh matched pair R1; reference original one-sheet sleeve; prototype declared redesigned sleeve; 150 mL each; 0/5/10 min.",
      "units": "Temperature: °C; time: minutes; volume: mL",
      "source id": "",
      "disclosure": "Blank empirical recording form: no readings supplied."
    },
    "fresh paired trial 2 data · retest trial 2": {
      "head": [
        "Target min",
        "Actual clock",
        "Reference °C",
        "Prototype °C",
        "Room °C",
        "Notes"
      ],
      "rows": [
        [
          "0",
          "________",
          "________",
          "________",
          "________",
          "________"
        ],
        [
          "5",
          "________",
          "________",
          "________",
          "—",
          "________"
        ],
        [
          "10",
          "________",
          "________",
          "________",
          "________",
          "________"
        ]
      ],
      "provenance": "Blank empirical recording form: no readings supplied.",
      "conditions": "Fresh matched pair R2; reference original one-sheet sleeve; prototype declared redesigned sleeve; 150 mL each; 0/5/10 min.",
      "units": "Temperature: °C; time: minutes; volume: mL",
      "source id": "",
      "disclosure": "Blank empirical recording form: no readings supplied."
    },
    "fresh paired trial 3 data · retest trial 3": {
      "head": [
        "Target min",
        "Actual clock",
        "Reference °C",
        "Prototype °C",
        "Room °C",
        "Notes"
      ],
      "rows": [
        [
          "0",
          "________",
          "________",
          "________",
          "________",
          "________"
        ],
        [
          "5",
          "________",
          "________",
          "________",
          "—",
          "________"
        ],
        [
          "10",
          "________",
          "________",
          "________",
          "________",
          "________"
        ]
      ],
      "provenance": "Blank empirical recording form: no readings supplied.",
      "conditions": "Fresh matched pair R3; reference original one-sheet sleeve; prototype declared redesigned sleeve; 150 mL each; 0/5/10 min.",
      "units": "Temperature: °C; time: minutes; volume: mL",
      "source id": "",
      "disclosure": "Blank empirical recording form: no readings supplied."
    },
    "supplied first-comparison record data": {
      "head": [
        "Minute",
        "Clock",
        "Reference °C",
        "Prototype °C",
        "Room °C"
      ],
      "rows": [
        [
          0,
          "09:00",
          "13.0",
          "13.1",
          "22.0"
        ],
        [
          5,
          "09:05",
          "14.6",
          "14.3",
          "—"
        ],
        [
          10,
          "09:10",
          "16.0",
          "15.3",
          "22.2"
        ]
      ],
      "provenance": "Constructed teaching data: these values were invented for this activity, not collected in an experiment. Not computationally simulated.",
      "conditions": "F1; 150 mL each; room 20–24 °C; starts 12–14 °C; first reference bare cup/prototype original sleeve or retest reference original sleeve/prototype redesigned sleeve; see page conditions/anomalies.",
      "units": "Temperature: °C; time: minutes; volume: mL",
      "source id": "",
      "disclosure": "Constructed teaching data: these values were invented for this activity, not collected in an experiment. Not computationally simulated.",
      "run id": "F1",
      "phase": "first comparison",
      "time readings per run": 3,
      "independent trials in table": 1
    },
    "supplied first-comparison record data · first comparison trial 2": {
      "head": [
        "Minute",
        "Clock",
        "Reference °C",
        "Prototype °C",
        "Room °C"
      ],
      "rows": [
        [
          0,
          "09:20",
          "13.2",
          "13.0",
          "22.1"
        ],
        [
          5,
          "09:25",
          "14.9",
          "14.3",
          "—"
        ],
        [
          10,
          "09:30",
          "16.4",
          "15.4",
          "22.2"
        ]
      ],
      "provenance": "Constructed teaching data: these values were invented for this activity, not collected in an experiment. Not computationally simulated.",
      "conditions": "F2; 150 mL each; room 20–24 °C; starts 12–14 °C; first reference bare cup/prototype original sleeve or retest reference original sleeve/prototype redesigned sleeve; see page conditions/anomalies.",
      "units": "Temperature: °C; time: minutes; volume: mL",
      "source id": "",
      "disclosure": "Constructed teaching data: these values were invented for this activity, not collected in an experiment. Not computationally simulated.",
      "run id": "F2",
      "phase": "first comparison",
      "time readings per run": 3,
      "independent trials in table": 1
    },
    "supplied first-comparison record data · first comparison trial 3": {
      "head": [
        "Minute",
        "Clock",
        "Reference °C",
        "Prototype °C",
        "Room °C"
      ],
      "rows": [
        [
          0,
          "09:40",
          "12.9",
          "13.0",
          "22.2"
        ],
        [
          5,
          "09:45",
          "14.5",
          "14.2",
          "—"
        ],
        [
          10,
          "09:50",
          "16.0",
          "15.3",
          "22.2"
        ]
      ],
      "provenance": "Constructed teaching data: these values were invented for this activity, not collected in an experiment. Not computationally simulated.",
      "conditions": "F3; 150 mL each; room 20–24 °C; starts 12–14 °C; first reference bare cup/prototype original sleeve or retest reference original sleeve/prototype redesigned sleeve; see page conditions/anomalies.",
      "units": "Temperature: °C; time: minutes; volume: mL",
      "source id": "",
      "disclosure": "Constructed teaching data: these values were invented for this activity, not collected in an experiment. Not computationally simulated.",
      "run id": "F3",
      "phase": "first comparison",
      "time readings per run": 3,
      "independent trials in table": 1
    },
    "supplied redesign/retest record data": {
      "head": [
        "Minute",
        "Clock",
        "Reference °C",
        "Prototype °C",
        "Room °C"
      ],
      "rows": [
        [
          0,
          "10:00",
          "13.0",
          "13.1",
          "22.0"
        ],
        [
          5,
          "10:05",
          "14.2",
          "14.1",
          "—"
        ],
        [
          10,
          "10:10",
          "15.3",
          "15.0",
          "22.1"
        ]
      ],
      "provenance": "Constructed teaching data: these values were invented for this activity, not collected in an experiment. Not computationally simulated.",
      "conditions": "R1; 150 mL each; room 20–24 °C; starts 12–14 °C; first reference bare cup/prototype original sleeve or retest reference original sleeve/prototype redesigned sleeve; see page conditions/anomalies.",
      "units": "Temperature: °C; time: minutes; volume: mL",
      "source id": "",
      "disclosure": "Constructed teaching data: these values were invented for this activity, not collected in an experiment. Not computationally simulated.",
      "run id": "R1",
      "phase": "redesign/retest",
      "time readings per run": 3,
      "independent trials in table": 1
    },
    "supplied redesign/retest record data · retest trial 2": {
      "head": [
        "Minute",
        "Clock",
        "Reference °C",
        "Prototype °C",
        "Room °C"
      ],
      "rows": [
        [
          0,
          "10:20",
          "13.0",
          "13.0",
          "22.1"
        ],
        [
          5,
          "10:25",
          "14.3",
          "14.5",
          "—"
        ],
        [
          10,
          "10:30",
          "15.4",
          "15.7",
          "22.2"
        ]
      ],
      "provenance": "Constructed teaching data: these values were invented for this activity, not collected in an experiment. Not computationally simulated.",
      "conditions": "R2; 150 mL each; room 20–24 °C; starts 12–14 °C; first reference bare cup/prototype original sleeve or retest reference original sleeve/prototype redesigned sleeve; see page conditions/anomalies.",
      "units": "Temperature: °C; time: minutes; volume: mL",
      "source id": "",
      "disclosure": "Constructed teaching data: these values were invented for this activity, not collected in an experiment. Not computationally simulated.",
      "run id": "R2",
      "phase": "redesign/retest",
      "time readings per run": 3,
      "independent trials in table": 1
    },
    "supplied redesign/retest record data · retest trial 3": {
      "head": [
        "Minute",
        "Clock",
        "Reference °C",
        "Prototype °C",
        "Room °C"
      ],
      "rows": [
        [
          0,
          "10:40",
          "13.1",
          "13.0",
          "22.2"
        ],
        [
          5,
          "10:45",
          "14.3",
          "14.1",
          "—"
        ],
        [
          10,
          "10:50",
          "15.4",
          "15.0",
          "22.2"
        ]
      ],
      "provenance": "Constructed teaching data: these values were invented for this activity, not collected in an experiment. Not computationally simulated.",
      "conditions": "R3; 150 mL each; room 20–24 °C; starts 12–14 °C; first reference bare cup/prototype original sleeve or retest reference original sleeve/prototype redesigned sleeve; see page conditions/anomalies.",
      "units": "Temperature: °C; time: minutes; volume: mL",
      "source id": "",
      "disclosure": "Constructed teaching data: these values were invented for this activity, not collected in an experiment. Not computationally simulated.",
      "run id": "R3",
      "phase": "redesign/retest",
      "time readings per run": 3,
      "independent trials in table": 1
    },
    "a fresh later check data": {
      "head": [
        "Setup",
        "Start °C",
        "After 10 min °C"
      ],
      "rows": [
        [
          "Y",
          12.0,
          15.0
        ],
        [
          "Z",
          14.0,
          16.0
        ]
      ],
      "provenance": "Constructed teaching data: these values were invented for this activity, not collected in an experiment.",
      "conditions": "Identical cups and 150 mL each;22°C air;10 min. Starts differ by2°C, above the protocol’s0.5°C matching limit. One paired comparison, not repeated trials.",
      "units": "Temperature: °C; time: minutes; volume: mL",
      "source id": "",
      "disclosure": "Constructed teaching data: these values were invented for this activity, not collected in an experiment."
    }
  }
}