Editors: Julian PT Higgins and Jonathan J Deeks.
This chapter should be cited as: Higgins JPT, Deeks JJ (editors). Chapter 7: Selecting studies and collecting data. In: Higgins JPT, Green S (editors), Cochrane Handbook for Systematic Reviews of Interventions Version 5.0.0 (updated February 2008). The Cochrane Collaboration, 2008. Available from www.cochrane-handbook.org.
Acknowledgements: This section builds on earlier versions of the Handbook. For details of previous authors and editors of the Handbook, see Chapter 1 (Section 1.4). Nicki Jackson and Helen Thomas contributed text. Stephanie Taylor and Sonja Hood contributed suggestions for designing data collection forms. We are grateful to Judith Anzures, Mike Clarke, Miranda Cumpston and Peter Gøtzsche for helpful comments.