Pre-registration is just year-old priors, statistician argues in Bayesian-frequentist spat
RexDouglass · x · 2026-09-29
Statistician Rex Douglass argues pre-registration is a uniquely frequentist idea: to a Bayesian, it's just "year-old priors," and a prior should reflect the state of the art now. Challenged by samth on how Bayesianism handles data-dredged spurious correlations, Douglass counters that pre-registration advocates should be reporting pre-reg confidence intervals — shrinking them or not — and "not a single one does," suggesting proponents don't practice what they preach. A pointed debate on research methodology and statistical inference.
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