TITLE

External Validity and Model Validity: A Conceptual Approach for Systematic Review Methodology

AUTHOR(S)
Khorsan, Raheleh; Crawford, Cindy
PUB. DATE
January 2014
SOURCE
Evidence-based Complementary & Alternative Medicine (eCAM);2014, Vol. 2014, p1
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Background. Evidence rankings do not consider equally internal (IV), external (EV), and model validity (MV) for clinical studies including complementary and alternative medicine/integrative health care (CAM/IHC) research.This paper describe this model and offers an EV assessment tool (EVAT©) forweighing studies according to EVandMVin addition to IV. Methods. An abbreviated systematic review methodology was employed to search, assemble, and evaluate the literature that has been published on EV/MV criteria. Standard databases were searched for keywords relating to EV, MV, and bias-scoring from inception to Jan 2013. Tools identified and concepts described were pooled to assemble a robust tool for evaluating these quality criteria. Results. This study assembled a streamlined, objective tool to incorporate for the evaluation of quality of EV/MV research that is more sensitive to CAM/IHC research. Conclusion. Improved reporting on EV can help produce and provide information that will help guide policy makers, public health researchers, and other scientists in their selection, development, and improvement in their research-tested intervention. Overall, clinical studies with high EV have the potential to provide the most useful information about "real-world" consequences of health interventions. It is hoped that this novel tool which considers IV, EV, and MV on equal footing will better guide clinical decision making.
ACCESSION #
100527993

 

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