Hugh Waddington

Quasi-experimental study designs series-paper 6: risk of bias assessment.

George Wells, Ariel M. Aloe, Betsy Jane Becker, 2017, Journal of clinical epidemiology.

Guidance for producing a Campbell evidence and gap map

Zack Marshall, Julia H. Littell, Birte Snilstveit, 2020, Campbell systematic reviews.

Quasi-experimental study designs series – Paper 5: Classifying studies evaluating effects of health interventions – a taxonomy without labels

Hugh Waddington, Barnaby C. Reeves, G. Wells, 2017 .

Effectiveness and sustainability of water, sanitation, and hygiene interventions in combating diarrhoea

Birte Snilstveit, Hugh Waddington, H. Waddington, 2009 .

Assessing ‘what works’ in international development: meta-analysis for sophisticated dummies

Maren Duvendack, Hugh Waddington, Jorge Garcia Hombrados, 2012 .

Water sanitation and hygiene interventions to combat childhood diarrhoea in developing countries.

L Fewtrell, Birte Snilstveit, Hugh Waddington, 2012 .

Quasi-experimental study designs series-paper 9: collecting data from quasi-experimental studies.

Ariel M. Aloe, Betsy Jane Becker, Ian Shemilt, 2017, Journal of clinical epidemiology.

Quasi-experimental study designs series-paper 7: assessing the assumptions.

Till Bärnighausen, Sebastian Vollmer, Eric Tchetgen Tchetgen, 2017, Journal of clinical epidemiology.

How to do a good systematic review of effects in international development: a tool kit

Peter Tugwell, Jeffrey C. Valentine, Mark Petticrew, 2012 .