{
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  "path": "/t/collider-in-rct-subgroup-analysis/28689#post_19",
  "publishedAt": "2026-05-19T06:13:15.000Z",
  "site": "https://discourse.datamethods.org",
  "textContent": "llynn:\n\n> An important implication is that pre-specification of a subgroup may not rescue the analysis if the subgroup itself constitutes a SDGP. Pre-specification does not eliminate structural instability arising from synthetic conditioning.\n\nThis is essentially the point that I raise, but keep in mind this is my argument and may not be accepted by everyone",
  "title": "Collider in RCT Subgroup Analysis"
}