Contents : Ch. 1. Introduction -- Ch. 2. The feedback, participation and consumer diversity project -- Ch. 3. Why was consumer input sought? -- Ch. 4. Barriers 1: structural issues -- Ch. 5. Barriers 2: issues about the quality of the information obtained through feedback and participation processes -- Ch. 6. Barriers 3: consumer issues -- Ch. 7. Summary of the groups identified and participation and feedback methods -- Ch. 8. Linking with communities -- Ch. 9. Issues to consider in developing a research strategy -- Ch. 10. How feedback methods have been used to include marginalised groups -- Ch. 11. Linking feedback to quality improvement