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Research article

First published 2017-8

External Validity: The Next Step for Systematic Reviews?

Sarah A. Avellar, Jaime Thomas, Rebecca Kleinman [...]

Evaluation Review

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Research article

First published 2023-9

A New Way to Think About Internal and External Validity

David Trafimow

Perspectives on Psychological Science

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Other

First published 1999-12

The problem of external validity (or “parallelism”) in experimental economics

Francesco Guala

Social Science Information

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Research article

First published 2025-12

External Validity in an Instrumental Variable Setting

Alexander Kwon, Kyungtae Lee

Evaluation Review

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Research article

First published 2010-03

Theory,External Validity,and Experimental Inference: Some Conjectures

Fernando Martel Garcia, Leonard Wantchekon

The ANNALS of the American Academy of Political and Social Science

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Research article

First published 2017-5

A Research Pathway for Experimental Psychopathology: The Role of External Validity Criteria

Graham C L Davey

Journal of Experimental Psychopathology

Open access

Research article

First published 2023

External validation of the first prognostic nomogram for older adults with cancer

Yu Ling Tay, Whee Sze Ong, Sherilyn Zi Hui Liew [...]

Therapeutic Advances in Medical Oncology

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Research article

First published 2013-7

Using case studies to explore the external validity of ‘complex’ development interventions

Michael Woolcock

Evaluation

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Research article

First published 2022-5

Case Studies of School Desegregation and Resegregation: How Can We Pursue External Validity?

Toby L. Parcel

American Behavioral Scientist

Open access

Editorial

First published 2013

Improving the External Validity of Clinical Trials: The Case of Multiple Chronic Conditions

Fortin Martin, Smith M. Susan

Journal of Multimorbidity and Comorbidity

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