Skip to content


BMC Medical Research Methodology

Study design

Section edited by Demosthenes Panagiotakos

This section considers manuscripts that investigate how choices of research methodology and study design can impact study results, including research participation and study outcomes.

Previous Page Page 1 of 8 Next Page
  1. Content type: Study protocol

    Hybrid research designs targeting adults with neurologic disability are critical for improving the efficiency of models that can identify, track and intervene on identified health issues.

    Authors: James H. Rimmer, Cassandra Herman, Brooks Wingo, Kevin Fontaine and Tapan Mehta

    Citation: BMC Medical Research Methodology 2018 18:28

    Published on:

  2. Content type: Research article

    Most confirmatory randomised controlled clinical trials (RCTs) are designed with specified power, usually 80% or 90%, for a hypothesis test conducted at a given significance level, usually 2.5% for a one-sided...

    Authors: Michael Pearce, Siew Wan Hee, Jason Madan, Martin Posch, Simon Day, Frank Miller, Sarah Zohar and Nigel Stallard

    Citation: BMC Medical Research Methodology 2018 18:20

    Published on:

  3. Content type: Research article

    Video vignettes are used to test the effects of physicians’ communication on patient outcomes. Methodological choices in video-vignette development may have far-stretching consequences for participants’ engage...

    Authors: Leonie N. C. Visser, Nadine Bol, Marij A. Hillen, Mathilde G. E. Verdam, Hanneke C. J. M. de Haes, Julia C. M. van Weert and Ellen M. A. Smets

    Citation: BMC Medical Research Methodology 2018 18:15

    Published on:

  4. Content type: Research article

    While full disclosure of information on placebo control in participant information leaflets (PILs) in a clinical trial is ethically required during informed consent, there have been concerning voices such comp...

    Authors: Soyeon Cheon, Hi-Joon Park, Younbyoung Chae and Hyangsook Lee

    Citation: BMC Medical Research Methodology 2018 18:13

    Published on:

  5. Content type: Correspondence

    Systematic reviews have been considered as the pillar on which evidence-based healthcare rests. Systematic review methodology has evolved and been modified over the years to accommodate the range of questions ...

    Authors: Zachary Munn, Cindy Stern, Edoardo Aromataris, Craig Lockwood and Zoe Jordan

    Citation: BMC Medical Research Methodology 2018 18:5

    Published on:

  6. Content type: Research article

    Improving participation rates in epidemiologic studies using questionnaires and biological sampling is important for the generalizability of the outcome. The aim of this study was to examine the effects of pre...

    Authors: Marie Koitsalu, Martin Eklund, Jan Adolfsson, Henrik Grönberg and Yvonne Brandberg

    Citation: BMC Medical Research Methodology 2018 18:3

    Published on:

  7. Content type: Research article

    Overuse of antibiotics contributes to the global threat of antimicrobial resistance. Antibiotic stewardship interventions address this threat by reducing the use of antibiotics in occasions or doses unlikely t...

    Authors: Patricia J. Lucas, Jenny Ingram, Niamh M. Redmond, Christie Cabral, Sophie L. Turnbull and Alastair D. Hay

    Citation: BMC Medical Research Methodology 2017 17:175

    Published on:

  8. Content type: Technical advance

    Randomization is considered to be a key feature to protect against bias in randomized clinical trials. Randomization induces comparability with respect to known and unknown covariates, mitigates selection bias...

    Authors: Ralf-Dieter Hilgers, Diane Uschner, William F. Rosenberger and Nicole Heussen

    Citation: BMC Medical Research Methodology 2017 17:159

    Published on:

  9. Content type: Research article

    There are detailed reviews about different recruitment strategies, but not with regard to differences between recruitment of hospital-based versus office-based physicians. Within this study, the two different ...

    Authors: S. R. Zeissig, V. Weyer-Elberich, K. Emrich, H. Binder, S. Fischbeck, B. H. Imruck, P. Friedrich-Mai, M. E. Beutel and M. Blettner

    Citation: BMC Medical Research Methodology 2017 17:150

    Published on:

  10. Content type: Research article

    Several statistical approaches have been proposed to assess and correct for exposure measurement error. We aimed to provide a critical overview of the most common approaches used in nutritional epidemiology.

    Authors: Derrick A. Bennett, Denise Landry, Julian Little and Cosetta Minelli

    Citation: BMC Medical Research Methodology 2017 17:146

    Published on:

  11. Content type: Research article

    The clinical research enterprise is not producing the evidence decision makers arguably need in a timely and cost effective manner; research currently involves the use of labor-intensive parallel systems that ...

    Authors: Kevin P. Weinfurt, Adrian F. Hernandez, Gloria D. Coronado, Lynn L. DeBar, Laura M. Dember, Beverly B. Green, Patrick J. Heagerty, Susan S. Huang, Kathryn T. James, Jeffrey G. Jarvik, Eric B. Larson, Vincent Mor, Richard Platt, Gary E. Rosenthal, Edward J. Septimus, Gregory E. Simon…

    Citation: BMC Medical Research Methodology 2017 17:144

    Published on:

  12. Content type: Correspondence

    Focused ethnography is an applied and pragmatic form of ethnography that explores a specific social phenomenon as it occurs in everyday life. Based on the literature a problem-focused research question is form...

    Authors: A.P. Bikker, H. Atherton, H. Brant, T. Porqueddu, J.L. Campbell, A. Gibson, B. McKinstry, C. Salisbury and S. Ziebland

    Citation: BMC Medical Research Methodology 2017 17:139

    Published on:

  13. Content type: Research article

    Knowing about predictors of attrition in a panel is important to initiate early measures against loss of participants. We investigated attrition in both early and late phase of an online panel with special foc...

    Authors: Nicole Rübsamen, Manas K. Akmatov, Stefanie Castell, André Karch and Rafael T. Mikolajczyk

    Citation: BMC Medical Research Methodology 2017 17:132

    Published on:

  14. Content type: Research article

    The Barthel Index (BI) is a measure of independence in activities of daily living (ADL). In the modified Barthel Index (MBI), a five-point system replaced the original two or three or four point rating system....

    Authors: Tomoko Ohura, Kimitaka Hase, Yoshie Nakajima and Takeo Nakayama

    Citation: BMC Medical Research Methodology 2017 17:131

    Published on:

  15. Content type: Research article

    This cohort study examined the impact of the lengths of lookback and confirmation periods as well as the definition of confirmatory events on the number of incident cancer cases identified and age-standardized...

    Authors: Jonas Czwikla, Kathrin Jobski and Tania Schink

    Citation: BMC Medical Research Methodology 2017 17:122

    Published on:

  16. Content type: Research article

    Each year over five million people develop chronic non-malignant pain and can experience healthcare as an adversarial struggle. The aims of this study were: (1) to bring together qualitative evidence syntheses...

    Authors: Fran Toye, Kate Seers, Erin Hannink and Karen Barker

    Citation: BMC Medical Research Methodology 2017 17:116

    Published on:

  17. Content type: Research Article

    The Matchpoint trial aims to identify the optimal dose of ponatinib to give with conventional chemotherapy consisting of fludarabine, cytarabine and idarubicin to chronic myeloid leukaemia patients in blastic ...

    Authors: Kristian Brock, Lucinda Billingham, Mhairi Copland, Shamyla Siddique, Mirjana Sirovica and Christina Yap

    Citation: BMC Medical Research Methodology 2017 17:112

    Published on:

  18. Content type: Research article

    African Americans have been historically under-represented in genetic studies. More research is needed on effective recruitment strategies for this population, especially on approaches that supplement traditio...

    Authors: Rebecca Salowe, Laura O’Keefe, Sayaka Merriam, Roy Lee, Naira Khachatryan, Prithvi Sankar, Eydie Miller-Ellis, Amanda Lehman, Victoria Addis, Windell Murphy, Jeffrey Henderer, Maureen Maguire and Joan O’Brien

    Citation: BMC Medical Research Methodology 2017 17:101

    Published on:

  19. Content type: Research article

    Selection bias and non-participation bias are major methodological concerns which impact external validity. Cluster-randomized controlled trials are especially prone to selection bias as it is impractical to b...

    Authors: Rochelle Yang, Barry L. Carter, Tyler H. Gums, Brian M. Gryzlak, Yinghui Xu and Barcey T. Levy

    Citation: BMC Medical Research Methodology 2017 17:94

    Published on:

Previous Page Page 1 of 8 Next Page

2016 Journal Metrics