Partial replicate ≠ Reference scaling [RSABE / ABEL]

posted by Helmut Homepage – Vienna, Austria, 2017-12-29 19:36 (2366 d 06:28 ago) – Posting: # 18129
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Hi heaven sent,

interesting nick. ;-)

❝ Do I understand correctly that Reference scaling is the same design as Partial Replicate:


No, you don’t.Though you need a replicate design for reference-scaling, this partial replicate is only one of them. In general I don’t recommend partial replicates since the statistical model behind is tricky (especially in the case of heteroscedasticity: CVwT ≠ CVwR). Better to opt for one of the fully replicate designs. Most commonly used are TRTR | RTRT (4 periods) and TRT | RTR (3 periods).

  1. Confounded effects (design not recommended).
  2. Balaam’s design (not recommended due to poor power characteristics).
  3. Extra-reference design (biased in the presence of period effects; design not recommended).

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