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Title: Advancing quantitative methods for the evaluation of complex interventions
Authors: Gillies, Clare
Freemantle, N.
Grieve, R.
Sekhon, J.
Forder, J.
First Published: 24-May-2016
Publisher: NIHR Health Technology Assessment Programme
Citation: Health Services and Delivery Research, 2016, 4 (16), pp. 37-54
Abstract: An understanding of the impact of health and care interventions and policy is essential for decisions about which to fund. In this essay we discuss quantitative approaches in providing evaluative evidence. Experimental approaches allow the use of ‘gold-standard’ methods such as randomised controlled trials to produce results with high internal validity. However, the findings may be limited with regard to generalisation: that is, feature reduced externality validity. Observational quantitative approaches, including matching, synthetic control and instrumental variables, use administrative, survey and other forms of ‘observational’ data, and produce results with good generalisability. These methods have been developing in the literature and are better able to address core challenges such as selection bias, and so improve internal validity. Evaluators have a range of quantitative methods available, both experimental and observational. It is perhaps a combination of these approaches that is most suited to evaluating complex interventions.
DOI Link: 10.3310/hsdr04160-37
ISSN: 2050-4349
eISSN: 2050-4357
Version: Publisher Version
Status: Peer-reviewed
Type: Journal Article
Rights: Copyright © Queen’s Printer and Controller of HMSO 2016. This work was produced under the terms of a commissioning contract issued by the Secretary of State for Health. Reports may be freely reproduced for the purposes of private research and study and extracts (or indeed, the full report) may be included in professional journals provided that suitable acknowledgement is made and the reproduction is not associated with any form of advertising. Permission to reproduce material from a published report is covered by the UK government’s non-commercial licence for public sector information.
Appears in Collections:Published Articles, Dept. of Health Sciences

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