(Assuming you're asking for clarification/confirmation.) Well, some will represent bad/unwise practices, and some will be prudent Bayesian corrections. My prio

(Assuming you're asking for clarification/confirmation.) Well, some will represent bad/unwise practices, and some will be prudent Bayesian corrections. My prior is that most cases of reversal are the former, but you'd actually have to analyze the past evidence and the decision-making procedure to tell.