The 27/9/3 practice is a planning heuristic for key messages: about 27 written words, nine seconds of speech, and three central points. It guides compression of messages for stressed audiences but is not an experimentally established limit on what they can understand.
- Entry typeKey concept
- Category of its source unitIntervention Methods & Practices
- DomainRisk, Crisis & Safety
What these mean
Editorial orientation · Entry type
Key concept
Key concepts are the working vocabulary of the field: the terms that the models and tools rely on and that a decision about communication has to use precisely. Each entry defines the term and sends you to the brief or the self-guided audit where it is put to work.
Editorial orientation · Category
Intervention Methods & Practices
Organizes actions intended to facilitate, plan, train, negotiate, coordinate or change a situation. It connects a practical purpose with a way of working, whose conditions and consequences must be examined.