Unit 4 · Lesson 3• 4 min
Attacking Bad Evidence
Your opponent will cite weak sources. Three clean attacks beat ten messy ones.
Attack 1 — date it
'Their source is from 2009 — pre-pandemic, pre-inflation. The economic landscape they're describing doesn't exist anymore.'
Attack 2 — bias it
'Their source is the National Restaurant Association — they have a direct financial interest in defeating this bill.'
Attack 3 — gap it
'Their source measures opinions, not outcomes. We don't know what people THINK — we need to know what would HAPPEN.'
Quick Check
1. Opponent cites a study from 2008 on social media use. Best attack:
Answer all 1 to check.
Takeaway
Date it, bias it, or gap it. Pick one and land clean.