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Academic Journal

A simple model suggesting economically rational sample-size choice drives irreproducibility.

  • Authors : Braganza O; Institute for Experimental Epileptology and Cognition Research, University of Bonn, Bonn, Germany.

Subjects: Models, Economic* ; Reproducibility of Results* ; Sample Size*

  • Source: PloS one [PLoS One] 2020 Mar 11; Vol. 15 (3), pp. e0229615. Date of Electronic Publication: 2020 Mar 11 (Print Publication: 2020).Publisher: Public Library of Science Country of Publication: United States NLM ID: 101285081 Publication Model: eCollection Cited Medium: Internet

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Academic Journal

Sample size estimation for randomised controlled trials with repeated assessment of patient-reported outcomes: what correlation between baseline and follow-up outcomes should we assume?

  • Authors : Walters SJ; School of Health and Related Research (ScHARR), University of Sheffield, 30 Regent Street, Sheffield, S1 4DA, UK. .; Jacques RM

Subjects: Endpoint Determination* ; Patient Reported Outcome Measures* ; Sample Size*

  • Source: Trials [Trials] 2019 Sep 13; Vol. 20 (1), pp. 566. Date of Electronic Publication: 2019 Sep 13.Publisher: BioMed Central Country of Publication: England NLM ID: 101263253 Publication Model: Electronic Cited Medium: Internet ISSN: 1745-6215

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Academic Journal

Bring More Data!-A Good Advice? Removing Separation in Logistic Regression by Increasing Sample Size.

  • Authors : Šinkovec H; Institute of Clinical Biometrics, Center for Medical Statistics, Informatics and Intelligent Systems (CEMSIIS), Spitalgasse 23, 1090 Vienna, Austria.; Geroldinger A

Subjects: Models, Theoretical* ; Research Design* ; Sample Size*

  • Source: International journal of environmental research and public health [Int J Environ Res Public Health] 2019 Nov 22; Vol. 16 (23). Date of Electronic Publication: 2019 Nov 22.Publisher: MDPI Country of Publication: Switzerland NLM ID: 101238455 Publication Model: Electronic Cited Medium: Internet ISSN: 1660-4601

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Academic Journal

Sample Size: A Conflict in Research Projects of Postgraduate Students.

  • Authors : Mirza MB; Department of Pediatric Surgery, The Children's Hospital and The Institute of Child Health, Lahore, Pakistan.

Subjects: Research Design* ; Sample Size*; Humans

  • Source: Journal of the College of Physicians and Surgeons--Pakistan : JCPSP [J Coll Physicians Surg Pak] 2019 Nov; Vol. 29 (11), pp. 1121-1122.Publisher: College of Physicians and Surgeons Pakistan Country of Publication: Pakistan NLM ID: 9606447 Publication Model: Print Cited Medium: Internet

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Academic Journal

Sample size estimation for health and social science researchers: The principles and considerations for different study designs.

  • Authors : Bolarinwa OA; Department of Epidemiology and Community Health, Faculty of Clinical Sciences, University of Ilorin, Ilorin, Nigeria.

Subjects: Biomedical Research* ; Research Design* ; Sample Size*

  • Source: The Nigerian postgraduate medical journal [Niger Postgrad Med J] 2020 Apr-Jun; Vol. 27 (2), pp. 67-75.Publisher: published by Wolters Kluwer-Medknow for the Nigerian Postgraduate Medical College of Nigeria Country of Publication: Nigeria NLM ID: 9613595 Publication

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Academic Journal

COVID-19 prevalence estimation by random sampling in population - optimal sample pooling under varying assumptions about true prevalence.

  • Authors : Brynildsrud O; Norwegian Institute of Public Health, Oslo, Norway. .; Norwegian University of Life Science, Ås, Norway. .

Subjects: Betacoronavirus/Betacoronavirus/Betacoronavirus/*isolation & purification ; Coronavirus Infections/Coronavirus Infections/Coronavirus Infections/*diagnosis ; Diagnostic Tests, Routine/Diagnostic Tests, Routine/Diagnostic Tests, Routine/*methods COVID-19severe acute respiratory syndrome coronavirus 2

  • Source: BMC medical research methodology [BMC Med Res Methodol] 2020 Jul 23; Vol. 20 (1), pp. 196. Date of Electronic Publication: 2020 Jul 23.Publisher: BioMed Central Country of Publication: England NLM ID: 100968545 Publication Model: Electronic Cited Medium: Internet ISSN: 1471-2288

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Academic Journal

A simple method to assess and report thematic saturation in qualitative research.

  • Authors : Guest G; Q42 Research, Research Triangle Park, North Carolina, United States of America.; Namey E

Subjects: Sample Size*; Data Collection/Data Collection/Data Collection/*methods; Humans

  • Source: PloS one [PLoS One] 2020 May 05; Vol. 15 (5), pp. e0232076. Date of Electronic Publication: 2020 May 05 (Print Publication: 2020).Publisher: Public Library of Science Country of Publication: United States NLM ID: 101285081 Publication Model: eCollection Cited Medium: Internet

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Academic Journal

Adequate reporting of the sample size calculation in surgical randomized controlled trials.

  • Authors : Speich B; Centre for Statistics in Medicine, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, United Kingdom; Basel Institute for Clinical Epidemiology and Biostatistics, Department of Clinical Research, University Hospital Basel, University Basel, Basel, Switzerland. Electronic address: .

Subjects: Randomized Controlled Trials as Topic* ; Research Design* ; Sample Size*

  • Source: Surgery [Surgery] 2020 May; Vol. 167 (5), pp. 812-814. Date of Electronic Publication: 2019 Nov 29.Publisher: Mosby Country of Publication: United States NLM ID: 0417347 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1532-7361

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Academic Journal

Calculating the sample size required for developing a clinical prediction model.

  • Authors : Riley RD; Centre for Prognosis Research, School of Primary, Community and Social Care, Keele University, Staffordshire ST5 5BG, UK .; Ensor J

Subjects: Clinical Decision-Making* ; Models, Theoretical* ; Sample Size*

  • Source: BMJ (Clinical research ed.) [BMJ] 2020 Mar 18; Vol. 368, pp. m441. Date of Electronic Publication: 2020 Mar 18.Publisher: British Medical Association Country of Publication: England NLM ID: 8900488 Publication Model: Electronic Cited Medium: Internet ISSN:

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Academic Journal

Sample Size Planning for Cluster-Randomized Interventions Probing Multilevel Mediation.

Subjects: Multilevel Analysis* ; Randomized Controlled Trials as Topic* ; Sample Size*

  • Source: Prevention science : the official journal of the Society for Prevention Research [Prev Sci] 2019 Apr; Vol. 20 (3), pp. 407-418.Publisher: Kluwer Academic/Plenum Publishers Country of Publication: United States NLM ID: 100894724 Publication Model: Print Cited Medium: Internet

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  • 1-10 of  122,899 results for ""Sample Size""