• 1
    Krupat E. A call for more RCTs (Research that is Conceptual and Thoughtful). Med Educ 2010;44 (9):8525.
  • 2
    Rees C, Monrouxe L. Theory in medical education research: how do we get there? Med Educ 2010;44 (4):3349.
  • 3
    Cook D, Levinson A, Garside S, Dupras D, Erwin P, Montori V. Internet-based learning in health professionals: a meta-analysis. JAMA 2008;300 (10):118196.
  • 4
    Wong G, Greenhalgh T, Pawson R. Internet-based medical education: a realist review of what works, for whom and in what circumstances. BMC Med Educ 2010;10:12.
  • 5
    Medical Research Council. A Framework for the Development and Evaluation of Randomised Controlled Trials for Complex Interventions to Improve Health. London: MRC 2000.
  • 6
    Pawson R, Tilley N. Realistic Evaluation. London: Sage Publications 1997.
  • 7
    Pawson R. Evidence-Based Policy. A Realist Perspective. London: Sage Publications 2006.
  • 8
    Neville AJ. Problem-based learning and medical education forty years on. Med Princ Pract 2009;18 (1):19.
  • 9
    Astbury B, Leeuw F. Unpacking black boxes: mechanisms and theory building in evaluation. Am J Eval 2010;31 (3):36381.
  • 10
    Greenhalgh T, Russell J, Boynton P, Lefford F, Chopra N, Dunkley L. ‘We were treated like adults’– development of a pre-medicine summer school for 16-year-olds from deprived socio-economic backgrounds: action research study. BMJ 2006;332 (7544):7627.
  • 11
    Merton R. On Theoretical Sociology. Five Essays, Old and New. New York, NY: Free Press 1967.
  • 12
    Pawson R. Evidence-based policy: the promise of ‘realist synthesis’. Evaluation 2002;8 (3):34058.
  • 13
    Wong G. The Internet in medical education: a worked example of a realist review. In: Hannes K, Lockwood C, eds. Synthesising Qualitative Research: Choosing the Right Approach. Chichester: Wiley-Blackwell 2012.
  • 14
    Pawson R, Greenhalgh T, Harvey G, Walshe K. Realist review – a new method of systematic review designed for complex policy interventions. J Health Serv Res Policy 2005;10:2134.
  • 15
    Greenhalgh T, Wong G, Westhorp G, Pawson R. Protocol – realist and meta-narrative evidence synthesis: Evolving Standards (RAMESES). BMC Medical Research Methodology 2011;11:115.
  • 16
    Stake R. The Art of Case Study Research. London: Sage Publications 2010.
  • 17
    Dieleman M, Gerretsen B, van der Wilt GJ. Human resource management interventions to improve health workers’ performance in low and middle income countries: a realist review. Health Res Policy Syst 2009;7:7.
  • 18
    Greenhalgh T, Kristjansson E, Robinson V. Realist review to understand the efficacy of school feeding programmes. BMJ 2007;335 (7625):85861.
  • 19
    Jackson L, Langille L, Lyons R, Hughes J, Martin D, Winstanley V. Does moving from a high-poverty to lower-poverty neighbourhood improve mental health? A realist review of ‘Moving to Opportunity’. Health Place 2009;15 (4):96170.
  • 20
    Walshe C, Luker KA. District nurses’ role in palliative care provision: a realist review. Int J Nurs Stud 2010;47 (9):1167–83.
  • 21
    Javanparast S, Ward P, Young G et al. How equitable are colorectal cancer screening programmes which include FOBTs? A review of qualitative and quantitative studies. Prev Med 2010;50 (4):16572.
  • 22
    O’Campo P, Kirst M, Schaefer-McDaniel N, Firestone M, Scott A, McShane K. Community-based services for homeless adults experiencing concurrent mental health and substance use disorders: a realist approach to synthesising evidence. J Urban Health 2009;86 (6):96589.
  • 23
    Rogers E. The Diffusion of Innovations, 4th edn. New York, NY: Free Press 1995.
  • 24
    Moore G, Benbasat I. Development of an instrument to measure the perceptions of adopting an information technology innovation. Info Sys Res 1991;2:192222.
  • 25
    Jao CS, Brint SU, Hier DB. Making the neurology clerkship more effective: can e-Textbook facilitate learning? Neurol Res 2005;27 (7):7627.