Claims testing is a structured research methodology within brand, concept, and messaging research that evaluates how well specific statements about a product or brand land with target consumers. Researchers use claims testing to assess perceived credibility, relevance, differentiation, and purchase motivation across candidate claims before committing to them in campaigns or on packaging. Effective claims testing goes beyond simple preference ranking. It captures the reasoning behind reactions, the emotional register a claim triggers, and whether consumers trust the language being used. In qualitative research, claims testing often surfaces the exact words consumers use to describe value, which can sharpen copy and reduce the risk of launching messaging that misses the mark.