The most convincing evidence in your impact story could be a quote from the right person (especially useful when quantifiable impact metrics aren’t yet available).
research impact
When we edit impact stories, there are those that hedge and those that escalate. Useful, credible impact stories sit in the Goldilocks zone in between.
The 5 Ws (who, what, when, where, why) are the foundation of news writing because they force you to answer: Why should I care? Impact stories are better when they apply this discipline.