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decision-based evidence making

An alternative to evidence-based decision making, "decision-based evidence making" is the practice of collecting evidence to support a pre-existing decision, rather than using evidence in any way to inform the decision itself.

This technique typically involves cherry-picking sources or relying on bad or unreliable authorities to justify or legitimise (after the fact) a questionable decision which has already been made.
Dr. Daniel Jernigan resigned from CDC in 2025, telling reporters that Robert F Kennedy Jr seems to be "going from evidence-based decision making to decision-based evidence making" as the Centres for Disease Control began citing debunked studies to support a dodgy claim that vaccines cause autism.
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