Quantifying Evidential Rigor in Meta-Analytic Corpora: A Simulation-Characterized, Bias-Robust Bayesian Workflow with a Nutrition Case Study
Pith reviewed 2026-06-28 16:09 UTC · model grok-4.3
The pith
A Bayesian workflow defines rigor in meta-analyses as resolved evidence free of explicit bias.
A machine-rendered reading of the paper's core claim, the machinery that carries it, and where it could break.
Core claim
The paper claims that meta-analytic evidence can be summarized by a rigor estimand which is the joint Bayes factor for having resolved either an effect or no-effect together with the absence of an explicit bias component in the bias-aware ensemble, and that this measure reveals weaker support for many effects once bias is modeled explicitly, as shown in the nutrition case study and supporting simulations.
What carries the argument
The rigor estimand, a joint Bayes-factor summary that combines resolved effect or no-effect evidence with the absence of an explicit bias component from the model-averaged ensemble.
If this is right
- Many nominally significant meta-analytic effects lose clean evidential support when bias-aware models are fitted.
- No-effect conclusions can receive high rigor scores if the ensemble indicates no bias dependence.
- The workflow provides paired estimates from baseline and bias-aware models along with component and joint evidence measures.
- Simulation designs using synthetic and resampled data can characterize the workflow's ability to detect bias dependence.
Where Pith is reading between the lines
- This approach could be applied to other fields with high publication bias to reassess the strength of evidence.
- Future work might integrate this with study-level bias indicators like registration status.
- Adoption could change how meta-analyses are reported in guidelines by adding a bias-robust evidence layer.
Load-bearing premise
The method assumes that the chosen simulation and resampling design is adequate to validate performance and that the bias-aware ensemble can reliably distinguish bias from genuine effects.
What would settle it
Observing that bias-aware fitting in the nutrition corpus does not lead to attenuation of estimates or loss of evidential support for effects would falsify the utility of the rigor measure for revealing bias dependence.
Figures
read the original abstract
Conventional meta-analysis summarizes evidence through pooled estimates, intervals, and p-values, but these outputs do not directly measure evidence for an effect, evidence for no effect, or the degree to which conclusions depend on publication selection or small-study effects. We introduce a corpus-scale Bayesian evidential-audit workflow for meta-analytic corpora. The workflow reconstructs or accepts study-level effects and standard errors, harmonizes directions, fits a matched Bayesian random-effects baseline and a bias-aware model-averaged ensemble, and reports paired estimates with component and joint model-family evidence. The central estimand is rigor: a joint Bayes-factor summary combining resolved effect/no-effect evidence with absence of an explicit bias component in the fitted ensemble. Rigor is not a positive-finding score; no-effect evidence can score highly, whereas inconclusive or bias-dependent evidence scores poorly. We characterize the workflow using an ADEMP-framed simulation/resampling design with known-cell synthetic simulation, empirical registry resampling, and empirical fitted-profile-weighted synthetic sampling. A nutrition intervention corpus provides the worked case study, where bias-aware fitting often attenuates conventional estimates and many nominally meaningful effects lose clean evidential support. A public companion repository provides empirical inputs, generated artifacts, simulation source/design files, and documentation for reproducing and adapting the audit.
Editorial analysis
A structured set of objections, weighed in public.
Referee Report
Summary. The paper introduces a corpus-scale Bayesian evidential-audit workflow for meta-analytic corpora. It reconstructs study-level effects, fits a Bayesian random-effects baseline alongside a bias-aware model-averaged ensemble, and defines a central estimand called rigor as a joint Bayes-factor summary that requires both resolved effect/no-effect evidence and absence of an explicit bias component. The workflow is characterized via an ADEMP simulation/resampling design (known-cell synthetic, empirical registry resampling, and fitted-profile-weighted synthetic sampling) and applied to a nutrition intervention corpus, where bias-aware fitting attenuates estimates and many effects lose clean evidential support. A public repository supports reproducibility.
Significance. If the bias-aware ensemble reliably isolates genuine effects from selection mechanisms, the workflow could provide a more informative alternative to conventional pooled estimates and p-values by directly quantifying evidential resolution and bias dependence. The public companion repository with empirical inputs, generated artifacts, simulation source files, and documentation is a clear strength that supports verification and adaptation.
major comments (1)
- [Section 3] Section 3 (simulation design): The ADEMP framework combines known-cell synthetic simulation, empirical registry resampling, and fitted-profile-weighted synthetic sampling, but does not report recovery performance or stability checks for the bias-free sub-model posterior odds when the data-generating selection function (e.g., p-hacking or outcome-switching structures) is altered while holding marginal effect sizes fixed. Without such checks, it remains unclear whether the model-averaged ensemble separates bias components from genuine effects under selection mechanisms that may be correlated with the nutrition corpus heterogeneity.
minor comments (2)
- [Abstract] The abstract supplies no equations for the rigor estimand, the bias-aware ensemble, or the joint Bayes factor; adding these (or explicit references to their locations) would improve accessibility.
- [nutrition case study] The nutrition case study would benefit from a table or figure directly comparing conventional pooled estimates against the bias-aware ensemble results, including component Bayes factors.
Simulated Author's Rebuttal
We thank the referee for the detailed and constructive feedback on our manuscript. We address the single major comment below.
read point-by-point responses
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Referee: [Section 3] Section 3 (simulation design): The ADEMP framework combines known-cell synthetic simulation, empirical registry resampling, and fitted-profile-weighted synthetic sampling, but does not report recovery performance or stability checks for the bias-free sub-model posterior odds when the data-generating selection function (e.g., p-hacking or outcome-switching structures) is altered while holding marginal effect sizes fixed. Without such checks, it remains unclear whether the model-averaged ensemble separates bias components from genuine effects under selection mechanisms that may be correlated with the nutrition corpus heterogeneity.
Authors: We agree that targeted sensitivity checks varying the data-generating selection function while holding marginal effect sizes fixed would strengthen the validation of the bias-free sub-model. The known-cell synthetic component of the ADEMP design already varies selection mechanisms (p-hacking, outcome switching) across scenarios and reports recovery for the ensemble, but does not isolate the exact marginal-effect-fixed case. In the revised manuscript we will add a dedicated sensitivity subsection reporting posterior-odds recovery under such controlled alterations, reusing the existing known-cell simulation infrastructure. revision: yes
Circularity Check
No significant circularity; workflow defines new estimand from fitted outputs without reduction to inputs by construction
full rationale
The paper introduces a Bayesian workflow that fits a bias-aware ensemble to meta-analytic data and defines the central estimand 'rigor' explicitly as a joint Bayes-factor summary derived from that ensemble's outputs (resolved effect/no-effect evidence plus absence of bias component). This is a definitional construction of a new summary measure rather than a claimed derivation or prediction that reduces to the inputs by construction. The ADEMP simulation/resampling design is used only to characterize performance of the workflow, not to generate or force the rigor values themselves. No self-citations, uniqueness theorems, or ansatz smuggling are referenced in the abstract or description. The derivation chain is self-contained as a methodological proposal with external simulation checks.
Axiom & Free-Parameter Ledger
axioms (1)
- domain assumption Bayesian random-effects model assumptions hold for the baseline and bias-aware ensembles
Reference graph
Works this paper leans on
-
[1]
Omega-3 fatty acids for the primary and secondary prevention of cardiovascular disease
Asmaa S Abdelhamid, Tracey J Brown, Julii S Brainard, Priti Biswas, Gabrielle C Thorpe, Helen J Moore, Katherine H O Deane, Carolyn D Summerbell, Helen V Worthington, Fujian Song, and Lee Hooper. Omega-3 fatty acids for the primary and secondary prevention of cardiovascular disease. Cochrane Database of Systematic Reviews, 2020 0 (3): 0 CD003177, 2020. do...
-
[2]
Olubukola Ajala, Patrick English, and Jonathan Pinkney. Systematic review and meta-analysis of different dietary approaches to the management of type 2 diabetes. The American Journal of Clinical Nutrition, 97 0 (3): 0 505--516, March 2013. ISSN 00029165. doi:10.3945/ajcn.112.042457
-
[3]
The earth is flat (p > 0.05): Significance thresholds and the crisis of unreplicable research
Valentin Amrhein, Fränzi Korner-Nievergelt, and Tobias Roth. The earth is flat (p > 0.05): Significance thresholds and the crisis of unreplicable research. PeerJ, 5: 0 e3544, 2017. doi:10.7717/peerj.3544
-
[4]
Vitamin D supplementation and total mortality: A meta-analysis of randomized controlled trials
Philippe Autier and Sara Gandini. Vitamin D supplementation and total mortality: A meta-analysis of randomized controlled trials. Archives of Internal Medicine, 167 0 (16): 0 1730--1737, September 2007. doi:10.1001/archinte.167.16.1730
-
[5]
Franti s ek Barto s , Maximilian Maier, Eric-Jan Wagenmakers, Hristos Doucouliagos, and T. D. Stanley. Robust B ayesian meta-analysis: Model-averaging across complementary publication-bias adjustment methods. Research Synthesis Methods, 14 0 (1): 0 99--116, 2023. doi:10.1002/jrsm.1594
-
[6]
Lindh, Linda Bj \"o rkhem-Bergman , and Jonatan D
Peter Bergman, sa U. Lindh, Linda Bj \"o rkhem-Bergman , and Jonatan D. Lindh. Vitamin D and Respiratory Tract Infections : A Systematic Review and Meta-Analysis of Randomized Controlled Trials . PLoS ONE, 8 0 (6): 0 e65835, June 2013. ISSN 1932-6203. doi:10.1371/journal.pone.0065835
-
[7]
Louise A. Beveridge, Allan D. Struthers, Faisel Khan, Rolf Jorde, Robert Scragg, Helen M. Macdonald, Jessica A. Alvarez, Rebecca S. Boxer, Andrea Dalbeni, Adam D. Gepner, Nicole M. Isbel, Thomas Larsen, Jitender Nagpal, William G. Petchey, Hans Stricker, Franziska Strobel, Vin Tangpricha, Laura Toxqui, M. Pilar Vaquero, Louise Wamberg, Armin Zittermann, M...
-
[8]
H A Bischoff-Ferrari , B Dawson-Hughes , H B Staehelin, J E Orav, A E Stuck, R Theiler, J B Wong, A Egli, D P Kiel, and J Henschkowski. Fall prevention with supplemental and active forms of vitamin D : A meta-analysis of randomised controlled trials. BMJ, 339 0 (oct01 1): 0 b3692--b3692, October 2009. ISSN 0959-8138, 1468-5833. doi:10.1136/bmj.b3692
-
[9]
Heike A. Bischoff-Ferrari , Walter C. Willett, John B. Wong, Edward Giovannucci, Thomas Dietrich, and Bess Dawson-Hughes . Fracture Prevention With Vitamin D Supplementation : A Meta-analysis of Randomized Controlled Trials . JAMA, 293 0 (18): 0 2257, May 2005. ISSN 0098-7484. doi:10.1001/jama.293.18.2257
-
[10]
Simonetti, Marija Bjelakovic, and Christian Gluud
Goran Bjelakovic, Lise Lotte Gluud, Dimitrinka Nikolova, Kate Whitfield, J rn Wetterslev, Rosa G. Simonetti, Marija Bjelakovic, and Christian Gluud. Vitamin D supplementation for prevention of mortality in adults. Cochrane Database of Systematic Reviews, 2014 0 (1): 0 CD007470, January 2014. doi:10.1002/14651858.CD007470.pub3
-
[11]
Omega-3 fatty acids for the treatment of depression: Systematic review and meta-analysis
M H Bloch and J Hannestad. Omega-3 fatty acids for the treatment of depression: Systematic review and meta-analysis. Molecular Psychiatry, 17 0 (12): 0 1272--1282, December 2012. ISSN 1359-4184, 1476-5578. doi:10.1038/mp.2011.100
-
[12]
Michael Borenstein, Larry V. Hedges, Julian P. T. Higgins, and Hannah R. Rothstein. Introduction to Meta-Analysis. John Wiley & Sons, 2009. doi:10.1002/9780470743386
-
[13]
Low-- Glycemic Index Diets in the Management of Diabetes
Jennie Brand-Miller , Susan Hayne, Peter Petocz, and Stephen Colagiuri. Low-- Glycemic Index Diets in the Management of Diabetes . Diabetes Care, 26 0 (8): 0 2261--2267, August 2003. ISSN 0149-5992, 1935-5548. doi:10.2337/diacare.26.8.2261
-
[14]
Brown, Stella Aslibekyan, Dennis Bier, Rafael Ferreira da Silva, Adam Hoover, David M
Andrew W. Brown, Stella Aslibekyan, Dennis Bier, Rafael Ferreira da Silva, Adam Hoover, David M. Klurfeld, Eric Loken, Evan Mayo-Wilson, Nir Menachemi, Greg Pavela, Patrick D. Quinn, Dale Schoeller, Carmen Tekwe, Danny Valdez, Colby J. Vorland, Leah D. Whigham, and David B. Allison. Toward more rigorous and informative nutritional epidemiology: The ration...
-
[15]
Tracey J Brown, Julii Brainard, Fujian Song, Xia Wang, Asmaa Abdelhamid, and Lee Hooper. Omega-3, omega-6, and total dietary polyunsaturated fat for prevention and treatment of type 2 diabetes mellitus: Systematic review and meta-analysis of randomised controlled trials. BMJ, 366: 0 l4697, August 2019. ISSN 0959-8138, 1756-1833. doi:10.1136/bmj.l4697
-
[16]
Very-low-carbohydrate ketogenic diet v
Nassib Bezerra Bueno, Ingrid Sofia Vieira De Melo, Suzana Lima De Oliveira, and Terezinha Da Rocha Ataide. Very-low-carbohydrate ketogenic diet v. low-fat diet for long-term weight loss: A meta-analysis of randomised controlled trials. British Journal of Nutrition, 110 0 (7): 0 1178--1187, October 2013. ISSN 0007-1145, 1475-2662. doi:10.1017/S0007114513000548
-
[17]
The effect of coffee consumption on serum lipids: A meta-analysis of randomized controlled trials
L Cai, D Ma, Y Zhang, Z Liu, and P Wang. The effect of coffee consumption on serum lipids: A meta-analysis of randomized controlled trials. European Journal of Clinical Nutrition, 66 0 (8): 0 872--877, August 2012. ISSN 0954-3007, 1476-5640. doi:10.1038/ejcn.2012.68
-
[18]
Naomi M Cermak, Peter T Res, Lisette Cpgm De Groot, Wim Hm Saris, and Luc Jc Van Loon. Protein supplementation augments the adaptive response of skeletal muscle to resistance-type exercise training: A meta-analysis. The American Journal of Clinical Nutrition, 96 0 (6): 0 1454--1464, December 2012. ISSN 00029165. doi:10.3945/ajcn.112.037556
-
[19]
Bin Chen, Li Ding, Qiyang Qin, Tze-Huan Lei, Olivier Girard, and Yinhang Cao. Effect of caffeine ingestion on time trial performance in cyclists: A systematic review and meta-analysis. Journal of the International Society of Sports Nutrition, 21 0 (1): 0 2363789, December 2024 a . ISSN 1550-2783. doi:10.1080/15502783.2024.2363789
-
[20]
Wei Chen, Lili Liu, and Fang Hu. Efficacy of vitamin D supplementation on glycaemic control in type 2 diabetes: An updated systematic review and meta-analysis of randomized controlled trials. Diabetes, Obesity and Metabolism, 26 0 (12): 0 5713--5726, December 2024 b . ISSN 1462-8902, 1463-1326. doi:10.1111/dom.15941
-
[21]
L Chiavaroli, A Mirrahimi, J L Sievenpiper, D J A Jenkins, and P B Darling. Dietary fiber effects in chronic kidney disease: A systematic review and meta-analysis of controlled feeding trials. European Journal of Clinical Nutrition, 69 0 (7): 0 761--768, July 2015. ISSN 0954-3007, 1476-5640. doi:10.1038/ejcn.2014.237
-
[22]
Philip Chilibeck, Mojtaba Kaviani, Darren Candow, and Gordon A Zello. Effect of creatine supplementation during resistance training on lean tissue mass and muscular strength in older adults: A meta-analysis. Open Access Journal of Sports Medicine, Volume 8: 0 213--226, November 2017. ISSN 1179-1543. doi:10.2147/OAJSM.S123529
-
[23]
Cowell, Nathan Mistry, Kevin Deighton, Jamie Matu, Alex Griffiths, Anne Marie Minihane, John C
Owen R. Cowell, Nathan Mistry, Kevin Deighton, Jamie Matu, Alex Griffiths, Anne Marie Minihane, John C. Mathers, Oliver M. Shannon, and Mario Siervo. Effects of a Mediterranean diet on blood pressure: A systematic review and meta-analysis of randomized controlled trials and observational studies. Journal of Hypertension, 39 0 (4): 0 729--739, April 2021. ...
-
[24]
Zi-han Dai, Ke-wen Wan, Po-san Wong, Wendy Yajun Huang, Angus Pak-hung Yu, and Stephen Heung-sang Wong. Additional Effect of Exercise to Intermittent Fasting on Body Composition and Cardiometabolic Health in Adults With Overweight /obesity: A Systematic Review and Meta-analysis . Current Obesity Reports, 14 0 (1): 0 54, June 2025. ISSN 2162-4968. doi:10.1...
-
[25]
Imtiaz Desai, Michael A. Wewege, Matthew D. Jones, Briana K. Clifford, Anurag Pandit, Nadeem O. Kaakoush, David Simar, and Amanda D. Hagstrom. The Effect of Creatine Supplementation on Resistance Training -- Based Changes to Body Composition : A Systematic Review and Meta-analysis . Journal of Strength & Conditioning Research, 38 0 (10): 0 1813--1821, Oct...
-
[26]
Michaela C. Devries and Stuart M. Phillips. Creatine Supplementation during Resistance Training in Older Adults --- A Meta-analysis . Medicine & Science in Sports & Exercise, 46 0 (6): 0 1194--1203, June 2014. ISSN 0195-9131. doi:10.1249/MSS.0000000000000220
-
[27]
Kenji Doma, Akhilesh Kumar Ramachandran, Daniel Boullosa, and Jonathan Connor. The Paradoxical Effect of Creatine Monohydrate on Muscle Damage Markers : A Systematic Review and Meta-Analysis . Sports Medicine, 52 0 (7): 0 1623--1645, July 2022. ISSN 0112-1642, 1179-2035. doi:10.1007/s40279-022-01640-z
-
[28]
Julen Fern \'a ndez-Landa , Asier Santiba \ n ez-Gutierrez , Nikola Todorovic, Valdemar Stajer, and Sergej M. Ostojic. Effects of Creatine Monohydrate on Endurance Performance in a Trained Population : A Systematic Review and Meta-analysis . Sports Medicine, 53 0 (5): 0 1017--1027, May 2023. ISSN 0112-1642, 1179-2035. doi:10.1007/s40279-023-01823-2
-
[29]
Fernando, Jessica Zibellini, Rebecca A
Hamish A. Fernando, Jessica Zibellini, Rebecca A. Harris, Radhika V. Seimon, and Amanda Sainsbury. Effect of Ramadan Fasting on Weight and Body Composition in Healthy Non-Athlete Adults : A Systematic Review and Meta-Analysis . Nutrients, 11 0 (2): 0 478, February 2019. ISSN 2072-6643. doi:10.3390/nu11020478
-
[30]
D \'e bora Finger, Fernanda Reistenbach Goltz, Daniel Umpierre, Elisabeth Meyer, Luis Henrique Telles Rosa, and Cl \'a udia Dornelles Schneider. Effects of Protein Supplementation in Older Adults Undergoing Resistance Training : A Systematic Review and Meta-Analysis . Sports Medicine, 45 0 (2): 0 245--255, February 2015. ISSN 0112-1642, 1179-2035. doi:10....
-
[31]
Teasdale, Marco Solmi, Brendon Stubbs, Felipe B
Joseph Firth, Wolfgang Marx, Sarah Dash, Rebekah Carney, Scott B. Teasdale, Marco Solmi, Brendon Stubbs, Felipe B. Schuch, Andr \'e F. Carvalho, Felice Jacka, and Jerome Sarris. The Effects of Dietary Improvement on Symptoms of Depression and Anxiety : A Meta-Analysis of Randomized Controlled Trials . Psychosomatic Medicine, 81 0 (3): 0 265--280, April 20...
-
[32]
Andrew Gelman, Aki Vehtari, Daniel Simpson, Charles C. Margossian, Bob Carpenter, Yuling Yao, Lauren Kennedy, Jonah Gabry, Paul-Christian B \"u rkner, and Martin Modr \'a k. Bayesian workflow. arXiv preprint arXiv:2011.01808, 2020. doi:10.48550/arXiv.2011.01808. URL https://arxiv.org/abs/2011.01808
-
[33]
Robert J. Goldberg and Joel Katz. A meta-analysis of the analgesic effects of omega-3 polyunsaturated fatty acid supplementation for inflammatory joint pain. Pain, 129 0 (1): 0 210--223, May 2007. ISSN 0304-3959. doi:10.1016/j.pain.2007.01.020
-
[34]
Arno Greyling, Katherine M Appleton, Anne Raben, and David J Mela. Acute glycemic and insulinemic effects of low-energy sweeteners: A systematic review and meta-analysis of randomized controlled trials. The American Journal of Clinical Nutrition, 112 0 (4): 0 1002--1014, October 2020. ISSN 00029165. doi:10.1093/ajcn/nqaa167
-
[35]
The effects of caffeine ingestion on isokinetic muscular strength: A meta-analysis
Jozo Grgic and Craig Pickering. The effects of caffeine ingestion on isokinetic muscular strength: A meta-analysis. Journal of Science and Medicine in Sport, 22 0 (3): 0 353--360, March 2019. ISSN 14402440. doi:10.1016/j.jsams.2018.08.016
-
[36]
Trexler, Bruno Lazinica, and Zeljko Pedisic
Jozo Grgic, Eric T. Trexler, Bruno Lazinica, and Zeljko Pedisic. Effects of caffeine intake on muscle strength and power: A systematic review and meta-analysis. Journal of the International Society of Sports Nutrition, 15 0 (1): 0 11, January 2018. ISSN 1550-2783. doi:10.1186/s12970-018-0216-0
-
[37]
Quentin F. Gronau, Daniel W. Heck, Sophie W. Berkhout, Julia M. Haaf, and Eric-Jan Wagenmakers. A primer on B ayesian model-averaged meta-analysis. Advances in Methods and Practices in Psychological Science, 4 0 (3): 0 1--19, 2021. doi:10.1177/25152459211031256
-
[38]
Giuseppe Grosso, Andrzej Pajak, Stefano Marventano, Sabrina Castellano, Fabio Galvano, Claudio Bucolo, Filippo Drago, and Filippo Caraci. Role of Omega-3 Fatty Acids in the Treatment of Depressive Disorders : A Comprehensive Meta-Analysis of Randomized Clinical Trials . PLoS ONE, 9 0 (5): 0 e96905, May 2014. ISSN 1932-6203. doi:10.1371/journal.pone.0096905
-
[39]
Lihu Gu, Rongrong Fu, Jiaze Hong, Haixiang Ni, Kepin Yu, and Haiying Lou. Effects of Intermittent Fasting in Human Compared to a Non-intervention Diet and Caloric Restriction : A Meta-Analysis of Randomized Controlled Trials . Frontiers in Nutrition, 9: 0 871682, May 2022. ISSN 2296-861X. doi:10.3389/fnut.2022.871682
-
[40]
Jitendra Gupta, Munthar Kadhim Abosaoda, Madhu Shukla, Suhas Ballal, Abhishek Kumar, Mamata Chahar, Suman Saini, Ish Kapila, and Alireza Hadpoori. Effect of soluble fiber supplementation on lipid parameters in subjects with type 2 diabetes: A systematic review and meta-analysis of randomized controlled trials. Prostaglandins & Other Lipid Mediators, 176: ...
-
[41]
Larry V. Hedges. Distribution theory for G lass's estimator of effect size and related estimators. Journal of Educational Statistics, 6 0 (2): 0 107--128, 1981. doi:10.3102/10769986006002107
-
[42]
Evidential audit workflow ( RoBMA - PSMA , RoBMA 4.0)
Matt Hester. Evidential audit workflow ( RoBMA - PSMA , RoBMA 4.0). Zenodo, archived companion repository, https://doi.org/10.5281/zenodo.20467258, 2026. URL https://doi.org/10.5281/zenodo.20467258. Version 1.0.0; companion software repository; MIT License (code) and CC BY 4.0 (data/figures); live development at https://github.com/matthewahester/evidentia...
-
[43]
Gronau, Don van den Bergh, and Eric-Jan Wagenmakers
Max Hinne, Quentin F. Gronau, Don van den Bergh, and Eric-Jan Wagenmakers. A conceptual introduction to B ayesian model averaging. Advances in Methods and Practices in Psychological Science, 3 0 (2): 0 200--215, June 2020. ISSN 2515-2467. doi:10.1177/2515245919898657. URL http://dx.doi.org/10.1177/2515245919898657
-
[44]
Yang Hu, Frank B. Hu, and JoAnn E. Manson. Marine Omega -3 Supplementation and Cardiovascular Disease : An Updated Meta - Analysis of 13 Randomized Controlled Trials Involving 127 477 Participants . Journal of the American Heart Association, 8 0 (19): 0 e013543, October 2019. ISSN 2047-9980. doi:10.1161/JAHA.119.013543
-
[45]
Ru-Yi Huang, Chuan-Chin Huang, Frank B. Hu, and Jorge E. Chavarro. Vegetarian Diets and Weight Reduction : A Meta-Analysis of Randomized Controlled Trials . Journal of General Internal Medicine, 31 0 (1): 0 109--116, January 2016. ISSN 0884-8734, 1525-1497. doi:10.1007/s11606-015-3390-7
-
[46]
John P. A. Ioannidis. Why most published research findings are false. PLoS Medicine, 2 0 (8): 0 e124, 2005. doi:10.1371/journal.pmed.0020124
-
[47]
John P. A. Ioannidis. The challenge of reforming nutritional epidemiologic research. JAMA, 320 0 (10): 0 969--970, 2018. doi:10.1001/jama.2018.11025
-
[48]
Christopher Irwin, Saman Khalesi, Ben Desbrow, and Danielle McCartney. Effects of acute caffeine consumption following sleep loss on cognitive, physical, occupational and driving performance: A systematic review and meta-analysis. Neuroscience & Biobehavioral Reviews, 108: 0 877--888, January 2020. ISSN 01497634. doi:10.1016/j.neubiorev.2019.12.008
-
[49]
Haitham A. Jahrami, Joud Alsibai, Cain C. T. Clark, and Mo'ez Al-Islam E. Faris. A systematic review, meta-analysis, and meta-regression of the impact of diurnal intermittent fasting during Ramadan on body weight in healthy subjects aged 16 years and above. European Journal of Nutrition, 59 0 (6): 0 2291--2316, September 2020. ISSN 1436-6207, 1436-6215. d...
-
[50]
David A Jolliffe, Carlos A Camargo, John D Sluyter, Mary Aglipay, John F Aloia, Davaasambuu Ganmaa, Peter Bergman, Heike A Bischoff-Ferrari , Arturo Borzutzky, Camilla T Damsgaard, Gal Dubnov-Raz , Susanna Esposito, Clare Gilham, Adit A Ginde, Inbal Golan-Tripto , Emma C Goodall, Cameron C Grant, Christopher J Griffiths, Anna Maria Hibbs, Wim Janssens, An...
-
[51]
Sievenpiper, Sonia Blanco Mejia, Hoang Vi Thanh Ho, Dandan Li, Alexandra L
Elena Jovanovski, Rana Khayyat, Andreea Zurbau, Allison Komishon, Nourah Mazhar, John L. Sievenpiper, Sonia Blanco Mejia, Hoang Vi Thanh Ho, Dandan Li, Alexandra L. Jenkins, Lea Duvnjak, and Vladimir Vuksan. Should Viscous Fiber Supplements Be Considered in Diabetes Control ? Results From a Systematic Review and Meta-analysis of Randomized Controlled Tria...
-
[52]
Juyoung Jung and Ariel M. Aloe. Bayesian workflow for bias-adjustment model in meta-analysis. Research Synthesis Methods, 17: 0 293--313, 2026. doi:10.1017/rsm.2025.10050
-
[53]
Stephen P Juraschek, Eliseo Guallar, Lawrence J Appel, and Edgar R Miller. Effects of vitamin C supplementation on blood pressure: A meta-analysis of randomized controlled trials. The American Journal of Clinical Nutrition, 95 0 (5): 0 1079--1088, May 2012. ISSN 00029165. doi:10.3945/ajcn.111.027995
-
[54]
Fatemeh Kazeminasab, Ali Bahrami Kerchi, Fatemeh Sharafifard, Mahdi Zarreh, Scott C. Forbes, Donny M. Camera, Charlotte Lanhers, Alexei Wong, Michael Nordvall, Reza Bagheri, and Fr \'e d \'e ric Dutheil. The Effects of Creatine Supplementation on Upper- and Lower-Body Strength and Power : A Systematic Review and Meta-Analysis . Nutrients, 17 0 (17): 0 274...
-
[55]
Mousa Khalafi, Sara K Rosenkranz, Faeghe Ghasemi, Shokoufeh Kheradmand, Aref Habibi Maleki, Mallikarjuna Korivi, and Jung-Piao Tsao. Efficacy of intermittent fasting on improving liver function in individuals with metabolic disorders: A systematic review and meta-analysis. Nutrition & Metabolism, 22 0 (1): 0 1, January 2025. ISSN 1743-7075. doi:10.1186/s1...
-
[56]
K. Khan, E. Jovanovski, H.V.T. Ho, A.C.R. Marques, A. Zurbau, S.B. Mejia, J.L. Sievenpiper, and V. Vuksan. The effect of viscous soluble fiber on blood pressure: A systematic review and meta-analysis of randomized controlled trials. Nutrition, Metabolism and Cardiovascular Diseases, 28 0 (1): 0 3--13, January 2018. ISSN 09394753. doi:10.1016/j.numecd.2017.09.007
-
[57]
Masoud Khorshidi, Zohreh Sajadi Hazaveh, Malek Alimohammadi-kamalabadi , Sanaz Jamshidi, Omid Moradi Moghaddam, Beheshteh Olang, Sayeh Hatefi, Amirhossein Hosseini, Parsa Jamilian, Meysam Zarezadeh, Parichehr Kohansal, Javad Heshmati, Parmida Jamilian, and Aliakbar Sayyari. Effect of omega-3 supplementation on lipid profile in children and adolescents: A ...
-
[58]
Lingzhuo Kong, Qin Zhang, Huaizhi Wang, Yiran Xu, Chenyue Xu, Yiqing Chen, Jing Lu, and Shaohua Hu. Exploration of the optimized portrait of omega-3 polyunsaturated fatty acids in treating depression: A meta-analysis of randomized-controlled trials. Journal of Affective Disorders, 379: 0 489--501, June 2025. ISSN 01650327. doi:10.1016/j.jad.2025.03.006
-
[59]
Hamed Kord-Varkaneh , Ali Nazary-Vannani , Zeinab Mokhtari, Ammar Salehi-sahlabadi , Jamal Rahmani, Cain C. T. Clark, Somaye Fatahi, Fernando Zanghelini, Azita Hekmatdoost, Kehinde Okunade, and Parvin Mirmiran. The Influence of Fasting and Energy Restricting Diets on Blood Pressure in Humans : A Systematic Review and Meta-Analysis . High Blood Pressure & ...
-
[60]
Omega 3 fatty acids and cardiovascular outcomes: Systematic review and meta-analysis
Sradha Kotwal, Min Jun, David Sullivan, Vlado Perkovic, and Bruce Neal. Omega 3 fatty acids and cardiovascular outcomes: Systematic review and meta-analysis. Circulation: Cardiovascular Quality and Outcomes, 5 0 (6): 0 808--818, November 2012. doi:10.1161/CIRCOUTCOMES.112.966168
-
[61]
Creatine Supplementation and Lower Limb Strength Performance : A Systematic Review and Meta-Analyses
Charlotte Lanhers, Bruno Pereira, Geraldine Naughton, Marion Trousselard, Fran c ois-Xavier Lesage, and Fr \'e d \'e ric Dutheil. Creatine Supplementation and Lower Limb Strength Performance : A Systematic Review and Meta-Analyses . Sports Medicine, 45 0 (9): 0 1285--1294, September 2015. ISSN 0112-1642, 1179-2035. doi:10.1007/s40279-015-0337-4
-
[62]
Creatine Supplementation and Upper Limb Strength Performance : A Systematic Review and Meta-Analysis
Charlotte Lanhers, Bruno Pereira, Geraldine Naughton, Marion Trousselard, Fran c ois-Xavier Lesage, and Fr \'e d \'e ric Dutheil. Creatine Supplementation and Upper Limb Strength Performance : A Systematic Review and Meta-Analysis . Sports Medicine, 47 0 (1): 0 163--173, January 2017. ISSN 0112-1642, 1179-2035. doi:10.1007/s40279-016-0571-4
-
[63]
Hugo Laviada-Molina, Fernanda Molina-Segui, Giordano P \'e rez-Gaxiola, Carlos Cuello-Garc \'i a, Ruy Arjona-Villica \ n a, Alan Espinosa-Marr \'o n, and Raigam Jafet Martinez-Portilla. Effects of nonnutritive sweeteners on body weight and BMI in diverse clinical contexts: Systematic review and meta-analysis. Obesity Reviews, 21 0 (7): 0 e13020, July 2020...
-
[64]
Dongxu Li, Lingyu Han, Zhihong Yu, Xiaoyu Teng, Yanjie Ma, and Dong Wang. Effects of non-nutritive sweeteners on body weight: A systematic review and meta-analysis of randomized controlled trial ( RCT ) studies. Journal of Endocrinological Investigation, 49 0 (1): 0 11--24, September 2025. ISSN 1720-8386. doi:10.1007/s40618-025-02654-w
-
[65]
Chun-De Liao, Jau-Yih Tsauo, Yen-Tzu Wu, Chin-Pao Cheng, Hui-Chuen Chen, Yi-Ching Huang, Hung-Chou Chen, and Tsan-Hon Liou. Effects of protein supplementation combined with resistance exercise on body composition and physical function in older adults: A systematic review and meta-analysis. The American Journal of Clinical Nutrition, 106 0 (4): 0 1078--109...
-
[66]
Yuhua Liao, Bo Xie, Huimin Zhang, Qian He, Lan Guo, Mehala Subramanieapillai, Beifang Fan, Ciyong Lu, and Roger S. McIntyre. Efficacy of omega-3 PUFAs in depression: A meta-analysis. Translational Psychiatry, 9 0 (1): 0 190, August 2019. ISSN 2158-3188. doi:10.1038/s41398-019-0515-5
-
[67]
Helen Macpherson, Andrew Pipingas, and Matthew P Pase. Multivitamin-multimineral supplementation and mortality: A meta-analysis of randomized controlled trials. The American Journal of Clinical Nutrition, 97 0 (2): 0 437--444, February 2013. ISSN 00029165. doi:10.3945/ajcn.112.049304
-
[68]
Robust B ayesian meta-analysis: Addressing publication bias with model-averaging
Maximilian Maier, Franti s ek Barto s , and Eric-Jan Wagenmakers. Robust B ayesian meta-analysis: Addressing publication bias with model-averaging. Psychological Methods, 28 0 (1): 0 107--122, 2023. doi:10.1037/met0000405
-
[69]
Adrian R Martineau, David A Jolliffe, Richard L Hooper, Lauren Greenberg, John F Aloia, Peter Bergman, Gal Dubnov-Raz , Susanna Esposito, Davaasambuu Ganmaa, Adit A Ginde, Emma C Goodall, Cameron C Grant, Christopher J Griffiths, Wim Janssens, Ilkka Laaksi, Semira Manaseki-Holland , David Mauger, David R Murdoch, Rachel Neale, Judy R Rees, Steve Simpson, ...
-
[70]
E. Mayo-Wilson , A. Imdad, K. Herzer, M. Y. Yakoob, and Z. A. Bhutta. Vitamin A supplements for preventing mortality, illness, and blindness in children aged under 5: Systematic review and meta-analysis. BMJ, 343 0 (aug25 1): 0 d5094--d5094, August 2011. ISSN 0959-8138, 1468-5833. doi:10.1136/bmj.d5094
-
[71]
Anderson localization in an interacting fermionic system
Blakeley B. McShane, David Gal, Andrew Gelman, Christian Robert, and Jennifer L. Tackett. Abandon statistical significance. The American Statistician, 73 0 (sup1): 0 235--245, 2019. doi:10.1080/00031305.2018.1527253
work page internal anchor Pith review Pith/arXiv arXiv doi:10.1080/00031305.2018.1527253 2019
-
[72]
Haiyan Meng, Lei Zhu, Hamed Kord-Varkaneh , Heitor O Santos, Grant M. Tinsley, and Peng Fu. Effects of intermittent fasting and energy-restricted diets on lipid profile: A systematic review and meta-analysis. Nutrition, 77: 0 110801, September 2020. ISSN 08999007. doi:10.1016/j.nut.2020.110801
-
[73]
Meta-analysis: Protein and energy supplementation in older people
Anne C Milne, Alison Avenell, and Jan Potter. Meta-analysis: Protein and energy supplementation in older people. Annals of Internal Medicine, 144 0 (1): 0 37--48, 2006
2006
-
[74]
Tim P. Morris, Ian R. White, and Michael J. Crowther. Using simulation studies to evaluate statistical methods. Statistics in Medicine, 38 0 (11): 0 2074--2102, 2019. doi:10.1002/sim.8086
-
[75]
Robert W Morton, Kevin T Murphy, Sean R McKellar, Brad J Schoenfeld, Menno Henselmans, Eric Helms, Alan A Aragon, Michaela C Devries, Laura Banfield, James W Krieger, and Stuart M Phillips. A systematic review, meta-analysis and meta-regression of the effect of protein supplementation on resistance training-induced gains in muscle mass and strength in hea...
-
[76]
Rhoda N Ndanuko, Linda C Tapsell, Karen E Charlton, Elizabeth P Neale, and Marijka J Batterham. Dietary Patterns and Blood Pressure in Adults : A Systematic Review and Meta-Analysis of Randomized Controlled Trials . Advances in Nutrition, 7 0 (1): 0 76--89, January 2016. ISSN 21618313. doi:10.3945/an.115.009753
-
[77]
Nunes, Lauren Colenso-Semple, Sean R
Everson A. Nunes, Lauren Colenso-Semple, Sean R. McKellar, Thomas Yau, Muhammad Usman Ali, Donna Fitzpatrick-Lewis, Diana Sherifali, Claire Gaudichon, Daniel Tom \'e , Philip J. Atherton, Maria Camprubi Robles, Sandra Naranjo-Modad, Michelle Braun, Francesco Landi, and Stuart M. Phillips. Systematic review and meta-analysis of protein intake to support mu...
-
[78]
Effects of high-protein supplementation during cancer therapy: A systematic review and meta-analysis
Camila E Orsso, Anne Caretero, Taiara Scopel Poltronieri, Jann Arends, Marian Ae De Van Der Schueren, Nicole Kiss, Alessandro Laviano, and Carla M Prado. Effects of high-protein supplementation during cancer therapy: A systematic review and meta-analysis. The American Journal of Clinical Nutrition, 120 0 (6): 0 1311--1324, December 2024. ISSN 00029165. do...
-
[79]
M.D. Polito, D.B. Souza, J. Casonatto, and P. Farinatti. Acute effect of caffeine consumption on isotonic muscular strength and endurance: A systematic review and meta-analysis. Science & Sports, 31 0 (3): 0 119--128, June 2016. ISSN 07651597. doi:10.1016/j.scispo.2016.01.006
-
[80]
R. E. Post, A. G. Mainous, D. E. King, and K. N. Simpson. Dietary Fiber for the Treatment of Type 2 Diabetes Mellitus : A Meta-Analysis . The Journal of the American Board of Family Medicine, 25 0 (1): 0 16--23, January 2012. ISSN 1557-2625, 1558-7118. doi:10.3122/jabfm.2012.01.110148
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