Probe for evidence behind claims

Ask "what evidence supports that?" before accepting any factual or evaluative claim.

Why it works

Assertions made confidently tend to produce uncritical acceptance — the confidence acts as a social proxy for evidence. Probing for evidence forces the claim into the epistemic domain where it belongs: what is the basis for this, and how strong is it? This practice slows the uptake of false premises, which would otherwise propagate into derived conclusions that seem valid because each step from the premise is logical.

How to do it

1. When a claim is made (including by yourself), ask: "What evidence is this based on?"
2. Distinguish types of evidence: personal experience, expert opinion, data, inference from theory.
3. Ask: "Is that evidence specific enough to support the strength of the claim?"
4. When the evidence is weak for the claim’s magnitude, say so explicitly rather than dismissing the claim entirely.

Evidence

Evidence evaluation is a core competency in scientific literacy and critical thinking education. Teaching evidence-probing skills improves argumentation quality in educational settings, though the research base is primarily in academic contexts. (mechanistic)

Probing for evidence can derail productive conversations if applied to every claim equally; judgment about which claims are most consequential and least supported focuses the practice.

Common mistake

Demanding impossible standards of evidence for claims you dislike while accepting thin evidence for claims that confirm your existing view — this is motivated skepticism, not critical thinking.