Study design

ISSN: 1471-2288 (Online)

In this topical collection (304 articles)

Page of 16

  1. Research article

    Recommendations to conduct and report systematic reviews in medical literature: a scoping review

    Ana Penedones, Carlos Alves, Francisco Batel-Marques Article:234
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  2. Research article

    Recruitment of adolescents with suicidal ideation in the emergency department: lessons from a randomized controlled pilot trial of a youth suicide prevention intervention

    Matthew Tracey, Yaron Finkelstein, Reva Schachter… Article:231
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  3. Research article

    Establishment of a pediatric COVID-19 biorepository: unique considerations and opportunities for studying the impact of the COVID-19 pandemic on children

    Rosiane Lima, Elizabeth F. Gootkind, Denis De la Flor… Article:228
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  4. Research article

    Goal attainment scaling as an outcome measure in rare disease trials: a conceptual proposal for validation

    C. M. W. Gaasterland, M. C. Jansen van der Weide… Article:227
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  5. Commentary

    A tutorial on methodological studies: the what, when, how and why

    Lawrence Mbuagbaw, Daeria O. Lawson, Livia Puljak… Article:226
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  6. Research article

    Development of a healthy ageing index in Latin American countries - a 10/66 dementia research group population-based study

    Christina Daskalopoulou, Kia-Chong Chua… Article:226
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  7. Research article

    Evaluating complex interventions in context: systematic, meta-narrative review of case study approaches

    Sara Paparini, Chrysanthi Papoutsi, Jamie Murdoch… Article:225
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  8. Research article

    Healthy ageing and the prediction of mortality and incidence dependence in low- and middle- income countries: a 10/66 population-based cohort study

    Christina Daskalopoulou, Martin Prince… Article:225
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  9. Technical advance

    A new randomization procedure based on multiple covariates and applicable to parallel studies with simultaneous enrollment of all subjects prior to intervention

    Eric D. Schoen, Suzan Wopereis Article:222
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  10. Research article

    Statistical design of Phase II/III clinical trials for testing therapeutic interventions in COVID-19 patients

    Shesh N. Rai, Chen Qian, Jianmin Pan, Anand Seth… Article:220
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  11. Research article

    coreSCD: multi-stakeholder consensus on core outcomes for sickle cell disease clinical trials

    Ellen Tambor, Matoya Robinson, Lewis Hsu… Article:219
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  12. Research article

    Searching for Programme theories for a realist evaluation: a case study comparing an academic database search and a simple Google search

    Susanne Coleman, Judy M. Wright, Jane Nixon… Article:217
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  13. Technical advance

    A specific method for qualitative medical research: the IPSE (Inductive Process to analyze the Structure of lived Experience) approach

    Jordan Sibeoni, Laurence Verneuil, Emilie Manolios… Article:216
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  14. Research article

    Rapid establishment of a COVID-19 perinatal biorepository: early lessons from the first 100 women enrolled

    Lydia L. Shook, Jessica E. Shui, Adeline A. Boatin… Article:215
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  15. Research article

    International severe asthma registry (ISAR): protocol for a global registry

    J. Mark FitzGerald, Trung N. Tran, Marianna Alacqua… Article:212
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  16. Software

    Employing multiple synchronous outcome samples per subject to improve study efficiency

    Roger P. A’Hern Article:211
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  17. Research article

    Comparison of up-front cash cards and checks as incentives for participation in a clinician survey: a study within a trial

    Lydia E. Pace, Yeonsoo S. Lee, Nadine Tung… Article:210
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  18. Research article

    The feasibility of web surveys for obtaining patient-reported outcomes from cancer survivors: a randomized experiment comparing survey modes and brochure enclosures

    Morgan M. Millar, Joanne W. Elena, Lisa Gallicchio… Article:208
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  19. Research article

    Factors affecting adolescents’ participation in randomized controlled trials evaluating the effectiveness of healthcare interventions: the case of the STEPSTONES project

    Markus Saarijärvi, Lars Wallin, Philip Moons… Article:205
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  20. Research article

    Assessment of long-term sickness absence: content and face validity of a new questionnaire based on qualitative data from nominal groups

    Kaat Goorts, Charlotte Vanovenberghe… Article:205
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