Results 11 to 20 of about 379,899 (296)

Improving the external validity of clinical trials: the case of multiple chronic conditions

open access: yesJournal of Comorbidity, 2013
The U.S. Department of Health and Human Services vision and strategic framework on multiple chronic conditions (MCCs) incorporates recommendations designed to facilitate research that will improve our knowledge about interventions and systems that will ...
Martin Fortin, Susan Smith
doaj   +3 more sources

Experimental Localism and External Validity

open access: yesPhilosophy of Science, 2003
Experimental “localism” stresses the importance of context-specific knowledge, and the limitations of universal theories in science. I illustrate Latour's radical approach to localism and show that it has some unpalatable consequences, in particular the suggestion that problems of external validity (or how to generalize experimental results to ...
Guala, Francesco, F. Guala
openaire   +4 more sources

Internal, external, and ecological validity in research design, conduct, and evaluation

open access: yesIndian Journal of Psychological Medicine, 2018
Reliability and validity describe desirable psychometric characteristics of research instruments. The concept of validity is also applied to research studies and their findings.
Chittaranjan Andrade
doaj   +1 more source

Why a Trade-Off? The Relationship between the External and Internal Validity of Experiments

open access: yesTheoria, 2010
Much of the methodological discussion around experiments in economics and other social sciences is framed in terms of the notions of internal and external validity. The standard view is that internal validity and external validity stand in a relationship
Maria Jimenez-Buedo, Luis Miguel Miller
doaj   +1 more source

The external validity of published randomized controlled trials in primary care [PDF]

open access: yes, 2009
Background - A criticism of Randomized Controlled Trials (RCTs) in primary care is that they lack external validity, participants being unrepresentative of the wider population.
Jones Robert O   +29 more
core   +1 more source

Unifying SoTL Methodology: Internal and External Validity

open access: yesTeaching & Learning Inquiry: The ISSOTL Journal, 2018
A broad consensus exists that the use of appropriate methods are important in the Scholarship of Teaching and Learning. However, methodological controversies arise around what constitutes acceptable evidence, if one needs a control group, how ...
Jeffrey L. Bernstein
doaj   +1 more source

Validity of the Trait Emotional Intelligence Questionnaire (TEIQue) in a Brazilian Sample

open access: yesFrontiers in Psychology, 2022
The study of the relationship between reasoning and emotional processes is not new in Psychology. There are currently two main approaches to understanding the aspects related to these processes called emotional intelligence: the ability model and the ...
Ana Carolina Zuanazzi   +3 more
doaj   +1 more source

On the Feasibility of Extending Social Experiments to Wider Applications

open access: yesJournal of MultiDisciplinary Evaluation, 2016
Background: When deciding how to allocate limited funds for social programs, policymakers and program managers increasingly ask for evidence of effectiveness based on studies that rely on solid methodology, providing credible scientific evidence.
Stephen H. Bell, Laura R. Peck
doaj   +1 more source

Comment on Gruntkowski, L.M.; Martinez, L.F. Online Grocery Shopping in Germany: Assessing the Impact of COVID-19. J. Theor. Appl. Electron. Commer. Res. 2022, 17, 984–1002

open access: yesJournal of Theoretical and Applied Electronic Commerce Research, 2023
Gruntkowski and Martinez examined the impact of factors such as perceived risk and perceived usefulness on German consumers’ intention to purchase groceries online once the COVID-19 pandemic had subsided.
Leo Van Hove
doaj   +1 more source

The Importance of External Validity

open access: yesAmerican Journal of Public Health, 2008
How are research results translated to public health practice? What is the responsibility of researchers, funding agencies, and journals in facilitating the use of research results in public health programs or policies? We address selected aspects of these questions and announce a new emphasis of the Journal on external validity for appropriate ...
Allan, Steckler, Kenneth R, McLeroy
openaire   +3 more sources

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