--- description: A claim becomes believable when it combines specificity, source credibility, and verifiable evidence. Specific claims ( image: https://www.leanlabs.com/hubfs/LL%20V4.1/LL%20Featured%20Image.png title: What makes a claim believable to a skeptical buyer? --- B2B Websites What makes a claim believable to a skeptical buyer? # What makes a claim believable to a skeptical buyer? A claim becomes believable when it combines specificity, source credibility, and verifiable evidence. Specific claims ("Kills 99.9% of germs") outperform vague ones ("kills germs") because specificity signals that the company has measured something real rather than invented a comfortable number. Three psychological principles drive belief: social proof (other buyers have chosen this), authority (credible experts endorse it), and specificity (the claim includes precise, verifiable details). Source credibility matters; buyers trust independent sources (industry analysts, named customers, review platforms) more than sales-motivated sources. Evidence must be easy to verify. If a homepage says "trusted by 500+ companies," that evidence should be findable on the site. Visual proof (screenshots, usage statistics, live performance data) grounds claims in observable reality. Guarantees act as implicit proof because they signal the company accepts financial consequences if the claim is false. Transparent elements like founder stories and honest discussion of constraints build trust by showing the company is not hiding behind polished language. ### Ask AI about Lean Labs [ ![](https://www.leanlabs.com/hubfs/LL%20v5/Images/Logos/chatgpt.svg) ChatGPT ](https://chat.openai.com/) [ ![](https://www.leanlabs.com/hubfs/LL%20v5/Images/Logos/googlegemini%201.svg) Gemini ](https://www.google.com/search?udm=50) [ ![](https://www.leanlabs.com/hubfs/LL%20v5/Images/Logos/perplexity%201.svg) Perplexity ](https://www.perplexity.ai/search/new) [ ![](https://www.leanlabs.com/hubfs/LL%20v5/Images/Logos/claude%201.svg) Claude ](https://claude.ai/new) [ ![](https://www.leanlabs.com/hubfs/LL%20v5/Images/Logos/copilot.svg) Copilot ](https://copilot.microsoft.com/) Ask AI ```json { "@graph": [ { "@id": "https://www.leanlabs.com#organization", "url": "https://www.leanlabs.com", "logo": { "url": "https://www.leanlabs.com/favicon.ico", "@type": "ImageObject", "width": 60, "height": 60 }, "name": "Lean 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