Document Detail


Complex interventions and their implications for systematic reviews: a pragmatic approach.
MedLine Citation:
PMID:  23953085     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Complex interventions present unique challenges for systematic reviews. Current debates tend to center around describing complexity, rather than providing guidance on what to do about it. At a series of meetings during 2009-2012, we met to review the challenges and practical steps reviewer could take to incorporate a complexity perspective into systematic reviews. Based on this, we outline a pragmatic approach to dealing with complexity, beginning, as for any review, with clearly defining the research question(s). We argue that reviews of complex interventions can themselves be simple or complex, depending on the question to be answered. In systematic reviews and evaluations of complex interventions, it will be helpful to start by identifying the sources of complexity, then mapping aspects of complexity in the intervention onto the appropriate sources of evidence (such as specific types of quantitative or qualitative study). Although we focus on systematic reviews, the general approach is also applicable to primary research that is aimed at evaluating complex interventions. Although the examples are drawn from health care, the approach may also be applied to other sectors (e.g., social policy or international development). We end by concluding that systematic reviews should follow the principle of Occam's razor: explanations should be as complex as they need to be and no more.
Authors:
Mark Petticrew; Laurie Anderson; Randy Elder; Jeremy Grimshaw; David Hopkins; Robert Hahn; Lauren Krause; Elizabeth Kristjansson; Shawna Mercer; Teresa Sipe; Peter Tugwell; Erin Ueffing; Elizabeth Waters; Vivian Welch
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-8-14
Journal Detail:
Title:  Journal of clinical epidemiology     Volume:  -     ISSN:  1878-5921     ISO Abbreviation:  J Clin Epidemiol     Publication Date:  2013 Aug 
Date Detail:
Created Date:  2013-8-19     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8801383     Medline TA:  J Clin Epidemiol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2013 Elsevier Inc. All rights reserved.
Affiliation:
Department of Social & Environmental Health Research, London School of Hygiene & Tropical Medicine, London WC1H 9SH, United Kingdom. Electronic address: Mark.Petticrew@lshtm.ac.uk.
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