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Featured article: Systematic review or scoping review?

Scoping reviews are a relatively new approach to evidence synthesis with little guidance regarding the decision to choose between a systematic review or scoping review when synthesising evidence. This article the clearly describes the differences and provides guidance for when a scoping review is (and is not) appropriate.

Featured article: Characterising sample size sufficiency in interview-based studies

Choosing a suitable sample size in qualitative research is an area of conceptual debate and practical uncertainty. That sample size principles, guidelines and tools have been developed to enable researchers to set, and justify the acceptability of, their sample size is an indication that the issue constitutes an important marker of the quality of qualitative research.

Articles

  1. Content type: Commentary

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    Authors: Lehana Thabane, Jinhui Ma, Rong Chu, Ji Cheng, Afisi Ismaila, Lorena P Rios, Reid Robson, Marroon Thabane, Lora Giangregorio and Charles H Goldsmith

  2. Content type: Commentary

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    Authors: Sarah Crowe, Kathrin Cresswell, Ann Robertson, Guro Huby, Anthony Avery and Aziz Sheikh

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Aims and scope

BMC Medical Research Methodology is an open access journal publishing original peer-reviewed research articles in methodological approaches to healthcare research. Articles on the methodology of epidemiological research, clinical trials and meta-analysis/systematic review are particularly encouraged, as are empirical studies of the associations between choice of methodology and study outcomes. BMC Medical Research Methodology does not aim to publish articles describing scientific methods or techniques: these should be directed to the BMC journal covering the relevant biomedical subject area.

Editor

Section Editors

Meet the editors

Livia Puljak, MD, PHD is professor at the University of Split School of Medicine in Split, Croatia. Her research interests are focused on methods in evidence-based medicine, clinical epidemiology and pain. She joined BMC Medical Research Methodology as Section Editor 2018.

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