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POWER SIMULATION -- boxa_b2_d6_10   [metric: success RATE]
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model: behavior ~ stim + day + stim:day + (1|rat)   (behavior = success RATE; day within-window)
observed groups: stim n=4, control n=2   nrep=120, alpha=0.05
ground truth: stim:day=+0.006202/day, rat SD=0.03766, residual SD=0.05555, days=5

 true stim:day interaction = +0.006202 (100% of observed)
  N/group  | per-animal power | LME power
  ------------------------------------------
  3        |  0.03            |  0.04
  5        |  0.08            |  0.13
  8        |  0.08            |  0.08
  12       |  0.10            |  0.13
  16       |  0.12            |  0.11
  24       |  0.24            |  0.24

 true stim:day interaction = +0.003101 (50% of observed)
  N/group  | per-animal power | LME power
  ------------------------------------------
  3        |  0.05            |  0.09
  5        |  0.07            |  0.07
  8        |  0.05            |  0.07
  12       |  0.07            |  0.08
  16       |  0.08            |  0.10
  24       |  0.10            |  0.12

Read the per-animal column as the honest power; LME is optimistic (obs-level DF).
