Characteristics of positive feedback provided by UK health service users: content analysis of examples from two databases.

People commissioning feedback collection systems should consider mechanisms to maximise utility by limiting ambiguity. Since being enabled to provide narrative feedback can allow contributors to make contextualised statements about what worked for them and why, then there may be trade-offs to negotiate between limiting ambiguity, and encouraging rich narratives. Groups tasked with using feedback should plan the human resources needed for careful inspection, and consider providing narrative analysis training.