Latest / The Copywriting Podcast with Fexingo: Sales Letters, Headlines, and Persuasive Writing
How a Typo Made a Direct Mail Campaign Profitable
In this episode of The Copywriting Podcast, Lucas and Luna explore a counterintuitive direct mail case: a fundraising letter that deliberately included a subtle typo — a misspelled word in the opening paragraph — and how that two-character error lifted response rates by nearly 40 percent. They break down the psychology behind the 'error effect' — why small imperfections can increase perceived authenticity, reduce reader skepticism, and boost engagement. Using the example of a 2019 mailing for a mid-sized environmental nonprofit, they walk through the control letter, the test variant…
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