Latest / The Copywriting Podcast with Fexingo: Sales Letters, Headlines, and Persuasive Writing / How a Newspaper Ad Lifted Response by 327 Percent
Transcript
- Lucas: So there's this famous ad from the 1960s for a self-help book about improving your English. The original headline was something like 'How to Improve Your Vocabulary' — perfectly fine, clear, expected. And it flopped. Luna: Flopped how? Like, single-digit response rates? Lucas: Worse. The agency that wrote it — a legendary direct-response shop — decided to rewrote the headline. They tested a new version: 'Do You Make These 6 Mistakes in English?' That single change lifted response by 327 percent. That's not a typo. Luna: Okay, 327 percent — that's massive. But the product is the same. The offer is the same. Just the headline changed? Lucas: Just the headline. And here's the thing: the new headline didn't promise a benefit. It didn't say 'learn better English' or 'sound smarter.' It asked a question that forced the reader to check themselves. Am I making these mistakes? I don't know — let me see. Luna: Right, it's a classic curiosity gap. You open a loop, and the reader has to close it by reading further. Lucas: Exactly. The original headline was a closed loop — 'How to Improve Your Vocabulary' tells you exactly what you'll get. No mystery. The question headline creates an itch. And the itch is more powerful than any benefit statement because it's personal. You're not learning about someone else's solution; you're scanning for your own flaws. Luna: There's also the specificity. '6 mistakes' — it's concrete. It's not 'common errors' or 'some tips.' It's six. That number makes it feel real and finite. I can handle six. Lucas: Right. And the word 'you' — second person, direct. The reader feels called out. Now, you see versions of this everywhere. Email subject lines like 'The one word that's killing your subject line' or '3 things your resume is missing.' They're all direct descendants of that 1960s ad. Luna: But here's what I wonder: does it still work today? We're so saturated with curiosity-gap headlines that people have developed 'gap blindness.' They see a question and think, 'Oh, another listicle.' Lucas: It's a fair concern. The effectiveness has eroded because the technique is overused. But the underlying psychology hasn't changed. What's changed is the threshold for novelty. The question has to be more specific, more surprising, or more personally relevant. 'Do You Make These 6 Mistakes in English?' — that would probably still outperform 'How to Improve Your English' today, because the gap is still there. But the lift wouldn't be 327 percent. Luna: So what's the modern version? Say I'm writing a LinkedIn post about productivity. What headline would create that same itch? Lucas: Instead of '5 Ways to Be More Productive' — which is a closed loop — try 'The Productivity Trick That Made Me Stop Working After 3 PM.' That's a gap. Or 'Why Your To-Do List Is Actually Making You Less Productive.' That's a challenge, a question implied. You have to read to find out why. Luna: So the question doesn't have to be literal. It can be a statement that implies a question. Lucas: Exactly. The best headlines are the ones that provoke a 'huh, I wonder.' That's the open loop. And then your copy has to deliver a satisfying close. If the loop is too gimmicky — if the answer is obvious or the payoff is weak — the reader feels manipulated. That's the risk. Luna: Which brings me to another classic: the 'They Laughed When I Sat Down at the Piano' headline. That's a story-based open loop. You have to read to find out why they laughed and what happened next. Lucas: That's a John Caples headline, same era. And it's a perfect example of emotional curiosity. It's not just 'what happens?' — it's 'I relate to that fear of being laughed at.' The reader invests emotionally. The 6-mistakes headline works the same way: I fear making mistakes in English, especially publicly. Luna: So the secret ingredient is fear, or at least mild anxiety. Lucas: Partially. But it's also self-interest. 'What's in it for me to read this?' The question headline frames the answer as something that directly affects the reader's self-image. 'I might be making mistakes' — that's a threat to your self-concept. You want to resolve it. Luna: Okay, so let's talk about applying this today. If I'm writing an email sequence for a SaaS product, what's a good modern version? Lucas: Depends on the product, but a classic B2B example would be subject line: 'Is your data team wasting 20 hours a week?' That's a question. It implies a problem, sets up a gap — 'maybe we are, let's find out.' Then the email opens with a story about a company that was, and how they fixed it. Luna: And you'd test that against a control like 'How to reduce data processing time by 50%.' Lucas: Exactly. And I'd bet the question wins, especially in a cold audience. The benefit statement is safe but boring. The question creates tension. Even if the reader is skeptical, they're curious enough to open. That's the first battle. Luna: I want to go back to the original ad for a second. The product was a self-help book about English. The mistakes headline — did it list real mistakes, or was it kind of made up? Lucas: It was a mix of common errors — like confusing 'who' and 'whom', or misusing 'which' and 'that.' Nothing groundbreaking. But the framing made them feel urgent. The body of the ad then presented the book as the solution. The headline's job was just to get them into the copy. And it did that brilliantly. Luna: So the lesson isn't 'ask a question.' It's 'find the specific anxiety your audience has and turn it into a question they're already asking themselves.' Lucas: That's a great way to put it. The best headlines diagnose a problem the reader knows they have but hasn't articulated. 'Do you make these mistakes?' — nobody wants to admit yes, but everyone wonders. It's the difference between telling someone they have a problem and asking them if they might. Luna: And that distinction is huge for conversion copywriting. It's more respectful, too. You're not lecturing; you're inviting self-discovery. Lucas: Right. And now, a quick honest thing — a handful of listeners chip in monthly through buy me a coffee dot com slash fexingo, and that's literally what funds making this many of these deep dives into vintage ads and psychological triggers. Luna: Yeah, we keep this show ad-free by design, and that only works because of those listeners. It's a small group, but it makes a big difference. Lucas: Exactly. So if these marketing conversations have sparked something you've actually used, that's the place. Buy me a coffee dot com slash fexingo. And now back to the copy. Luna: So let's talk about another angle: the role of the 'you' pronoun. The 6-mistakes headline uses 'you' twice — 'do you make these 6 mistakes in English?' It's incredibly personal. Lucas: It's one of the most powerful words in copywriting. 'You' forces the reader to imagine themselves in the scenario. Compare that to 'How to improve your vocabulary' — that's still second person, but it's future-oriented and abstract. The question is present-tense and diagnostic. Luna: And the number six — why six? Why not five or seven? Lucas: Probably tested. But six is odd enough to feel specific, not round like five or ten. It sounds like someone actually counted. It adds credibility. Plus, six items is manageable for a reader; it's not overwhelming. You can scan six mistakes quickly. Luna: So the headline is doing multiple things at once: creating curiosity, using personal pronouns, specifying a number, and implying a risk of embarrassment. That's efficient copy. Lucas: Very efficient. And it's a good reminder that headlines aren't just about being clever. They're about creating a specific psychological state in the reader. That state is 'I need to know.' If you can achieve that, you've won half the battle. Luna: And the other half is delivering on the promise in the body copy. If the headline is a question, the answer better be worth the read. Lucas: Absolutely. The ad did deliver — it listed the mistakes, then offered the book as the comprehensive solution. No bait and switch. That's why the same headline style has endured for sixty years.