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This book aims to rethink systemic intervention to enhance its relevance for supporting social change in the 21 st century. It offers a new systems philosophy and methodology, focusing upon the fundamental importance of exploring value and boundary judgements as part of the intervention process. It includes four detailed examples of the practice of systemic intervention.

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1. Systems Thinking for the 21st Century.
Section I: Philosophy. 2. Why Philosophy? 3. The Systems Idea. 4. Process Philosophy.
Section II: Methodology. 5. Why Methodology? 6. Systemic Intervention. 7. Boundary Critique. 8. Theoretical Pluralism. 9. Methodological Pluralism. 10. Mixing Methods. 11. Learning about Methodology and Methods.
Section III: Practice. 12. Why Practice? 13. Community Operational Research. 14. Developing Housing Services for Older People. 15. Planning for Disaster. 16. Planning and Evaluation Diversion from Custody for Mentally Disordered Offenders. 17. Developing Services with Young People (Under 16) Missing from Home or Care. 18. Looking to the Future.

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