That headline is overhyped.
There isn’t a magic pair of questions that can reliably “catch” every liar—human behavior is more complex than that.
Still, psychology does use a few conversation techniques that can reveal inconsistencies.
🧠 About Deception detection
- No method is 100% accurate
- Even trained professionals can be wrong
- Context matters more than any single trick
🔍 Two commonly used questions (and why they help)
1️⃣ “Can you walk me through that again, step by step?”
- Liars may struggle to recreate details consistently
- Truthful people usually stay more stable in their story
2️⃣ “What happened right before and right after?”
- Adds pressure to maintain a coherent timeline
- Inconsistencies may appear when details expand
⚠️ What to actually look for
- Changes in the story over time
- Avoiding specifics
- Overly rehearsed or overly vague answers
👉 Not just what they say—but how consistent it is
❌ What the headline gets wrong
- “Two questions expose all lies” ❌
- Ignores personality differences
- Some honest people also get nervous or forget details
✔️ Better approach
- Ask open-ended questions
- Give time, then revisit later
- Compare consistency, not just confidence
🟢 Bottom line
There’s no foolproof trick—inconsistency over time is a stronger clue than any single question.
If you want, I can show you subtle signs of lying most people miss (without relying on myths) 👍
