Systematic review - I Reseach 4 Birth Portal Home：系统回顾我门家生研究4.ppt

* * * * * * * * * * * * * * * * * * * * * Mixed method reviews Data analysis and synthesis Complexity “Some problems are so complex that you have to be highly intelligent just to be undecided about them” Lawrence J. Peter Narrative synthesis (NS) An approach to the synthesis of findings from multiple studies that relies primarily on the use of words and text to summarise and explain the findings of the synthesis Designed for integrating effectiveness and implementation data, but can be used to synthesise evidence for a wide range of questions including effectiveness, experience, need, process, implementation etc. Using a synthesis method Advantages Assists in review team communication and documentation Assists in making the processes of synthesis available to others for validation Assists with the presentation and communication of the results of synthesis Guidance Pope C, Mays N, Popay J (2007) Synthesising Quantitative and Qualitative Evidence: a guide to methods. Milton Keynes, Open University Press Popay J et al. (2006) Guidance on the Conduct of Narrative Synthesis in Systematic Reviews. Available at: http://www.lancs.ac.uk/shm/research/nssr/research/dissemination/publications/NS_Synthesis_Guidance_v1.pdf What NS is, and isn’t A framework to increase the transparency and trustworthiness of the synthesis Includes description of tools and techniques Could be used to synthesise the findings from mixed evidence sources A guide to the whole process of systematic review – only the stage of synthesis A cookbook of tools and techniques to be selected at random Aims to be accessible, but not a guide for complete novices in research Relationship to systematic review Question development Theoretical framework Search/data extraction Quality assessment Descriptive analysis Preliminary synthesis Interpretive analysis Final modelling/synthesis Theory testing /development Looking for patterns in data Iterative not linear Generalise on basis of theory P