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Keywords: external validity
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Journal Article
Clinical research reporting paradigms may incompletely describe participant identities
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Oana M Enache and others
American Journal of Epidemiology, kwae291, https://doi.org/10.1093/aje/kwae291
Published: 27 August 2024
... validity and external validity. To address this, we propose the addition of a simple graph that more clearly shows the joint distribution of baseline sociodemographic characteristics in a given study. We also discuss several practical considerations for the implementation of such graphs...
Journal Article
Heterogeneity of European farmers’ risk preferences: an individual participant data meta-analysis
Viviana Garcia and others
European Review of Agricultural Economics, Volume 51, Issue 3, July 2024, Pages 725–778, https://doi.org/10.1093/erae/jbae012
Published: 24 May 2024
... preferences external validity meta-analysis The wide range of uncertainties farmers face and their increasing nature (e.g. pest pressure, extreme weather events and food price volatility) have increased researchers’ interest in farmers’ risk preferences. Risk preferences have been considered a key factor...
Journal Article
Re-weighting the randomized controlled trial for generalization: finite-sample error and variable selection
Bénédicte Colnet and others
Journal of the Royal Statistical Society Series A: Statistics in Society, Volume 188, Issue 2, April 2025, Pages 345–372, https://doi.org/10.1093/jrsssa/qnae043
Published: 24 May 2024
... increases the variance while non-shifted but treatment-effect modifiers do not. We illustrate all the takeaways in a didactic example, and on a semi-synthetic simulation inspired from critical care medicine. average treatment effect distributional shift external validity inverse propensity of sampling...
Journal Article
Taking the Full Measure: Integrating Replication into Research Practice to Assess Generalizability
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Oleg Urminsky and Berkeley J Dietvorst
Journal of Consumer Research, Volume 51, Issue 1, June 2024, Pages 157–168, https://doi.org/10.1093/jcr/ucae007
Published: 15 May 2024
... to systematically replicate research findings is a fundamental feature of the scientific process. Indeed, the idea that observations can be recreated and verified by independent sources is usually seen as a bright line of demarcation that separates science from non-science.” ( Dunlap 1926 ) external validity...
Journal Article
Variable selection when estimating effects in external target populations
Michael Webster-Clark and others
American Journal of Epidemiology, Volume 193, Issue 8, August 2024, Pages 1176–1181, https://doi.org/10.1093/aje/kwae048
Published: 15 April 2024
..., Canada ( [email protected] ) 10 05 2023 20 02 2024 09 04 2024 03 07 2024 Abstract External validity is an important part of epidemiologic research. To validly estimate effects in specific external target populations using a chosen effect measure (ie, “transport”), some...
Journal Article
Sensitivity analysis for the generalization of experimental results
Melody Y Huang
Journal of the Royal Statistical Society Series A: Statistics in Society, Volume 187, Issue 4, October 2024, Pages 900–918, https://doi.org/10.1093/jrsssa/qnae012
Published: 13 March 2024
... values using existing data. Finally, I demonstrate that the proposed framework can be easily extended to the class of doubly robust, augmented weighted estimators. causal inference external validity generalizability inverse propensity scores National Science Foundation 10.13039/100000001 Grant...
Journal Article
Standardizing to specific target populations in distributed networks and multisite pharmacoepidemiologic studies
Michael Webster-Clark and others
American Journal of Epidemiology, Volume 193, Issue 7, July 2024, Pages 1031–1039, https://doi.org/10.1093/aje/kwae015
Published: 27 February 2024
... this definition can be a useful step toward improving external validity. Definitions for continuous M are similar but more complex. A binary variable M is an EMM for the risk difference (RD) scale effect of X on Y if it satisfies the inequality 25 External validity...
Journal Article
Binocular rivalry under naturalistic geometry: Evidence from worlds simulated in virtual reality
Shui'er Han and others
in
PNAS Nexus
PNAS Nexus, Volume 3, Issue 2, February 2024, pgae054, https://doi.org/10.1093/pnasnexus/pgae054
Published: 06 February 2024
... is almost never encountered, casting doubt on whether rivalry is relevant to our understanding of everyday binocular vision. To investigate the external validity of binocular rivalry, we manipulated the geometric plausibility of rival images using a naturalistic, cue-rich, 3D-corridor model created...
Journal Article
Safety climate scale for vineyards: an external validity study
Sonia Grimbuhler and others
Annals of Work Exposures and Health, Volume 68, Issue 2, March 2024, Pages 203–210, https://doi.org/10.1093/annweh/wxad078
Published: 23 December 2023
... safety climates late, despite being one of the most hazardous industries. We recently developed a safety climate scale in Bordeaux vineyards, for which we provided good evidence of reliability and construct validity ( Grimbuhler and Viel 2019 ). In this study, we aimed to establish the external validity...
Journal Article
Family-based pediatric weight management interventions in US primary care settings targeting children ages 6–12 years old: A systematic review guided by the RE-AIM framework
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Joshua S Yudkin and others
Translational Behavioral Medicine, Volume 14, Issue 1, January 2024, Pages 34–44, https://doi.org/10.1093/tbm/ibad051
Published: 26 August 2023
... in primary care settings was conducted in the USA for children ages 6–12 years to summarize the evidence of external validity, using the RE-AIM framework. Importantly, while there has been other research on this topic conducted in countries such as the UK and Australia, we restricted the intervention...
Journal Article
Conditional Cross-Design Synthesis Estimators for Generalizability in Medicaid
Irina Degtiar and others
in
Biometrics
Biometrics, Volume 79, Issue 4, December 2023, Pages 3859–3872, https://doi.org/10.1111/biom.13863
Published: 05 April 2023
.../licenses/by/4.0/ License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited. Abstract While much of the causal inference literature has focused on addressing internal validity biases, both internal and external validity are necessary for unbiased...
Journal Article
How Choice of Effect Measure Influences Minimally Sufficient Adjustment Sets for External Validity
Michael Webster-Clark and Alexander P Keil
American Journal of Epidemiology, Volume 192, Issue 7, July 2023, Pages 1148–1154, https://doi.org/10.1093/aje/kwad041
Published: 22 February 2023
... a valid estimate of the RD in a target population, while an RR requires class 1 and class 2 and an OR requires classes 1, 2, and 3 (i.e., all variables associated with the outcome). This does not mean that fewer variables are required for an externally valid RD (because variables may not modify effects...
Journal Article
Integrating Structural and Reduced-Form Methods in Empirical Finance
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Toni M Whited
Journal of Financial Econometrics, Volume 21, Issue 3, Summer 2023, Pages 597–615, https://doi.org/10.1093/jjfinec/nbac036
Published: 18 November 2022
... estimation to extend the validity of reduced-form results, using reduced-form techniques to assess the external validity of structural estimations, and using structural estimation as a sample selection remedy. I illustrate each of these methods with examples from corporate finance, banking, and personal...
Journal Article
Proxy Variables and the Generalizability of Study Results
Anton Nilsson and others
American Journal of Epidemiology, Volume 192, Issue 3, March 2023, Pages 448–454, https://doi.org/10.1093/aje/kwac200
Published: 08 November 2022
... influence participation or outcome. directed acyclic graphs external validity generalizability proxy variables ATE average treatment effect CRR causal risk ratio DAG directed acyclic graph Epidemiologists usually place great emphasis on internal validity, striving to obtain estimates...
Journal Article
Estimation and inference on treatment effects under treatment-based sampling designs
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Kyungchul Song and Zhengfei Yu
The Econometrics Journal, Volume 25, Issue 3, September 2022, Pages 554–575, https://doi.org/10.1093/ectj/utac008
Published: 25 March 2022
.../standard_publication_model ) Summary Causal inference in a programme evaluation setting faces the problem of external validity when the treatment effect in the target population is different from the treatment effect identified from the population of which the sample is representative. This paper focuses on a situation...
Journal Article
EDITOR'S CHOICE
Continuous positive airway pressure and adverse cardiovascular events in obstructive sleep apnea: are participants of randomized trials representative of sleep clinic patients?
Ayesha Reynor and others
in
Sleep
Sleep, Volume 45, Issue 4, April 2022, zsab264, https://doi.org/10.1093/sleep/zsab264
Published: 05 November 2021
... external validity selection bias propensity score analysis National Health and Medical Research Council 10.13039/501100000925 APP1145970 NIH 10.13039/100000002 Statement of Significance OSA may be an important modifiable risk factor for adverse CV events. RCTs have shown no reduction...
Journal Article
Generalizability of randomized controlled trials in heart failure with reduced ejection fraction
Yvonne Mei Fong Lim and others
European Heart Journal - Quality of Care and Clinical Outcomes, Volume 8, Issue 7, November 2022, Pages 761–769, https://doi.org/10.1093/ehjqcco/qcab070
Published: 01 October 2021
... Lund; Arno W Hoes; Benoit Tyl; Folkert W Asselbergs; Christoph Gerlinger; Diederick E Grobbee; Maureen Cronin; Stefan Koudstaal Generalizability External validity Heart failure with reduced ejection fraction Randomized clinical trials Randomized controlled trials (RCTs) are the gold standard...
Journal Article
Covariate selection for generalizing experimental results: Application to a large-scale development program in Uganda
Naoki Egami and Erin Hartman
Journal of the Royal Statistical Society Series A: Statistics in Society, Volume 184, Issue 4, October 2021, Pages 1524–1548, https://doi.org/10.1111/rssa.12734
Published: 23 August 2021
... algorithm can allow for the PATE estimation in situations where conventional methods fail due to data requirements. causal inference external validity generalization randomized experiments Over the last few decades, social and biomedical scientists have developed and applied an array of statistical...
Journal Article
Beyond Standardization: Improving External Validity and Reproducibility in Experimental Evolution
Eric Desjardins and others
in
BioScience
BioScience, Volume 71, Issue 5, May 2021, Pages 543–552, https://doi.org/10.1093/biosci/biab008
Published: 24 February 2021
... simplifications by design, it remains that going beyond anecdotal evidence and producing externally valid knowledge is necessary to become theoretically and clinically relevant. Abstract Discussions of reproducibility are casting doubts on the credibility of experimental outcomes in the life sciences. Although...
Journal Article
Transporting Subgroup Analyses of Randomized Controlled Trials for Planning Implementation of New Interventions
Megha L Mehrotra and others
American Journal of Epidemiology, Volume 190, Issue 8, August 2021, Pages 1671–1680, https://doi.org/10.1093/aje/kwab045
Published: 22 February 2021
... populations are highly selected and rarely representative of real-world target populations that ultimately implement new interventions. Just as differences between trial and target populations undermine the external validity of the overall study findings ( 10 ), these differences also mean that the effect...
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