For healthcare professionals only

Letters Assessing complex interventions

Guidelines perpetuate inappropriate methods

BMJ 2008; 337 doi: (Published 11 November 2008) Cite this as: BMJ 2008;337:a2473
  1. David Kernick, general practitioner1
  1. 1St Thomas Health Centre, Exeter EX4 1HJ
  1. su1838{at}

    The guidelines for research in complex systems conflate complex with complicated.1

    Complex systems and interventions are most appropriately viewed as non-linear, which implies that they cannot be understood by reducing them to their component parts. Outcomes …

    View Full Text

    Log in

    Log in through your institution


    * For online subscription