Separate the argument from the arguer
Address the claim on its merits, not the person’s motives or character.
Key takeaways
- What it is: Address the claim on its merits, not the person’s motives or character.
- Why it works: Ad hominem reasoning is cognitively cheap and feels satisfying — attacking the person discharges the emotional load without requiring engagement with the actual argument. But a bad argument from a credible person is still a bad argument, and a good argument from an untrustworthy source is still good. Keeping them separate is both logically necessary and emotionally de-escalating.
- Evidence: Backed by observational / correlational evidence.
- Avoid: Dismissing a claim entirely because of the source’s known bias — "they would say that" — without engaging with whether the argument itself has merit.
Why it works
Ad hominem reasoning is cognitively cheap and feels satisfying — attacking the person discharges the emotional load without requiring engagement with the actual argument. But a bad argument from a credible person is still a bad argument, and a good argument from an untrustworthy source is still good. Keeping them separate is both logically necessary and emotionally de-escalating.
How to do it
- 1Before responding, ask: "Is my reaction to this claim, or to who said it?"
- 2State your engagement with the argument explicitly ("On the claim that…") rather than characterizing the person.
- 3If you do need to discuss motives, flag it: "This isn’t about the argument, but about the context."
What the evidence says
ObservationalThe ad hominem fallacy is among the best-catalogued informal fallacies in logic; its prevalence is documented across political psychology research showing people evaluate identical arguments very differently based on the stated source.
Honest caveat: The logic is sound; the empirical challenge is that source credibility does carry some genuine epistemic weight (experts are more often right), so the skill is discernment, not ignoring source entirely.
- — Lord, Ross & Lepper (1979), biased assimilation of evidence based on prior attitudes, Journal of Personality and Social Psychology
Common mistake
Dismissing a claim entirely because of the source’s known bias — "they would say that" — without engaging with whether the argument itself has merit.
IX Coach asks you to rate the strength of an argument independently before considering who holds it, building the separation as a practiced reflex.
Practice this with IX Coach →