{
  "handle": "Experiment",
  "mechanism": "A structured {{protocol}} for causal discovery. Unlike {{verification}}, which confirms a claim already made, Experiment generates a {{solution}} by comparing a control group against a treatment group differing in the variable under test and, so far as declared, nothing else.",
  "gloss": "Structured causal discovery via variable isolation",
  "_meta": {
    "tier": 1,
    "ring": 2,
    "related": [
      "sema:HypothesisLadder#mh:SHA-256:1e4cd70cfbf442861d0a8d486cc67a7d916354b29b20925cbee2606418c84701",
      "RegressionToMean",
      "ConfoundedAttribution"
    ],
    "supersedes": [
      "sema:Experiment#mh:SHA-256:c62fce3980caa782eba602ce44307edf9c4cb3f52eeab85523689348dd0db51e",
      "sema:Experiment#mh:SHA-256:40e5e923ead8721b039cd6afa4e49c864a5022483e1c3ff58a12d57fe9a87499",
      "sema:Experiment#mh:SHA-256:3a0d59370d8de7ea45998bd32a52cc52feb62e18aaed29cb76b3a13786c2360b",
      "sema:Experiment#mh:SHA-256:08165b6c52dae531b39b4a900df552aff0987e341eec30108d6013bb80410a41"
    ],
    "path": [
      "Mind",
      "Strategy"
    ]
  },
  "invariants": [
    "Control and treatment differ in the variable under test; every other difference is eliminated or written down.",
    "The design commits in advance to learning from either outcome."
  ],
  "failure_modes": [
    "Undeclared difference: something varied that the design did not name, so no cause is established.",
    "Mechanism assumed: the comparison shows the variable mattered, not why."
  ],
  "sema_id": "sema:Experiment#mh:SHA-256:421e41c03e27f10e09c08b1f884bbcb9addf0f232be0a5bf1097950b40f15748",
  "sema_ref": "Experiment#421e",
  "sema_stub": "421e",
  "dependencies": {
    "references": {
      "protocol": "sema:Protocol#mh:SHA-256:f583ad96f598ecf0c9068f5c1390bdf247d2eb67bd7a14c7ce615c357b957b46",
      "verification": "sema:Verification#mh:SHA-256:c8de453752e750eb54e0494e7a222377cea99a739b049087ab426cd968b38778"
    },
    "yields": {
      "solution": "sema:Solution#mh:SHA-256:8d55004ffa8f61d6e7d12d588ae4baa9723296dd7fa501759b5e6b1b97e7c9ab"
    }
  },
  "sema_layer": "Mind",
  "sema_category": "Strategy",
  "used_by": {
    "references": {
      "EpistemicROI": "sema:EpistemicROI#mh:SHA-256:b0d863d10c0d67edc218444b72c75f05127b899af6ac0295899b6506cba9acc7"
    },
    "composes_with": {
      "HypothesisLadder": "sema:HypothesisLadder#mh:SHA-256:58b55c2c1b13ca27b222e139e54f0ee01116e8f3706428654aaa551b08cccfc8"
    }
  }
}