Chapter 3. Categories and Continuums

  1. Craig Morgan and
  2. Dinesh Bhugra
  1. Peter Tyrer

Published Online: 28 MAR 2010

DOI: 10.1002/9780470684214.ch3

Principles of Social Psychiatry, Second Edition

Principles of Social Psychiatry, Second Edition

How to Cite

Tyrer, P. (2010) Categories and Continuums, in Principles of Social Psychiatry, Second Edition (eds C. Morgan and D. Bhugra), John Wiley & Sons, Ltd, Chichester, UK. doi: 10.1002/9780470684214.ch3

Editor Information

  1. NIH Biomedical Research Centre and Institute of Psychiatry, King's College London, London, UK

Author Information

  1. Department of Psychological Medicine, Centre for Mental Health, Imperial College London, London, UK

Publication History

  1. Published Online: 28 MAR 2010
  2. Published Print: 16 APR 2010

ISBN Information

Print ISBN: 9780470697139

Online ISBN: 9780470684214



  • categories and continuums - classification in psychiatry lagging behind medicine;
  • diagnostic categories and continuum - differences between them;
  • reliability and validity in psychiatry;
  • choice of category versus continuum;
  • clinical utility importance - common conditions, where minority receives treatment;
  • advice for social psychiatry - categories and continuums in social psychiatry


This chapter contains sections titled:

  • Differences between Diagnostic Categories and Continuum

  • Reliability and Validity

  • Choice of Category Versus Continuum

  • Importance of Clinical Utility

  • Some Advice for Social Psychiatry

  • References