Counterbalancing trade-offs force experimenters to choose which comparison gets protected from bias

Evidence

The blocking of the 120° measurements introduced a bias (visit effect) in the comparison of the 0° and 120° measurements, but this was preferred over a bias in the comparison between different types of cues, which was the essential comparison in this study. — Dijk, Pim van, Physiology, Psychoacoustics and…, 3052

Categorization

• XREF: connects to: Guaranteed prediction products require causal knowledge gained through experiments — Shoshana Zuboff, The Age of Surveillance Capitalism, 931; Promotion-based career judiciaries trade selection bias for conformity pressure — G. Alan Tarr, Judicial Process and Judicial…, 552