{
  "$type": "site.standard.document",
  "bskyPostRef": {
    "cid": "bafyreidzqyvkwolugfk76u4wtqmiwts74tztbwoyar3z5siwxpog7jvy5y",
    "uri": "at://did:plc:wwyqal4cnqhuwyacdj7rqq3n/app.bsky.feed.post/3mj64ayhwaoi2"
  },
  "path": "/t/power-calculations-in-longitudinal-mixed-effects-from-two-measurements-to-three-measurements/28699#post_7",
  "publishedAt": "2026-04-10T08:48:59.000Z",
  "site": "https://discourse.datamethods.org",
  "textContent": "Thank you, Mark. Do you think any particular structure is superior for an RCT with two, three, or four follow-up measurements? This would be helpful for pre-registration in such cases.\n\nI actually previously assumed that LME used compound symmetry in the background!",
  "title": "Power Calculations in Longitudinal Mixed Effects - from two measurements to three measurements"
}