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Measuring ability to assess claims about treatment effects: the development of the ‘Claim Evaluation Tools’
Astrid Austvoll-Dahlgren, Daniel Semakula, Allen Nsangi, Andrew David Oxman, Iain Chalmers, Sarah Rosenbaum, Øystein Guttersrud

BMJ Open May 2017, 7 (5) e013184; DOI: 10.1136/bmjopen-2016-013184
Measuring ability to assess claims about treatment effects: a latent trait analysis of items from the ‘Claim Evaluation Tools’ database using Rasch modelling
Astrid Austvoll-Dahlgren, Øystein Guttersrud, Allen Nsangi, Daniel Semakula, Andrew D Oxman

BMJ Open May 2017, 7 (5) e013185; DOI: 10.1136/bmjopen-2016-013185

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