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Everything about Internal validity
Extent to which a piece of evidence supports a claim about cause and effect
Internal validity is the extent to which a piece of evidence supports a claim about cause and effect, within the context of a particular study. It is one of the most important properties of scientific studies and is an important concept in reasoning about evidence more generally. Internal validity is determined by how well a study can rule out alternative explanations for its findings. It contrasts with external validity, the extent to which results can justify conclusions about other contexts. Both internal and external validity can be described using qualitative or quantitative forms of causal notation. Wikipedia →
🧭 Start here: a 6-step reading path
- Read the overview: Internal validityA 5-minute orientation
- Skim a recent paper: Threats to Internal Validity in Multiple-Baseline Design VariationsInfluential work since 2022
- Pick up a classic book: Compliance in the enlarged European UnionThe most-reprinted book on the subject
- Read the landmark paper: International Physical Activity Questionnaire: 12-Country Reliability and ValidityCited 18,381 times
- Go sideways: External validityA closely related topic
- Go sideways: Quasi-experimentA closely related topic
📖 Definitions
No dictionary entry for this exact phrase.
🗂️ The subject at a glance
🏆 Landmark papers (most cited)
International Physical Activity Questionnaire: 12-Country Reliability and Validity
The Columbia–Suicide Severity Rating Scale: Initial Validity and Internal Consistency Findings From Three Multisite Studies With Adolescents and Adults
The Mini International Neuropsychiatric Interview (MINI). A short diagnostic structured interview: reliability and validity according to the CIDI
Validity of the international physical activity questionnaire short form (IPAQ-SF): A systematic review
🆕 Influential since 2022
Threats to Internal Validity in Multiple-Baseline Design Variations
Revisiting an Analysis of Threats to Internal Validity in Multiple Baseline Designs
A New Way to Think About Internal and External Validity
The scale for retropulsion: Internal consistency, reliability and construct validity
Forward-backward translation, content validity, face validity, construct validity, criterion validity, test-retest reliability, and internal consistency of a questionnaire on patient acceptance of orthodontic retainer
📚 Books worth reading
- 📕Compliance in the enlarged European UnionGerda Falkner · 2008
European Consensus and the Legitimacy of the European Court of Human RightsKanstantsin Dzehtsiarou · 2015
Power of LegalityNikolas M. Rajkovic, Tanja Aalberts · 2016- 📕International jurisdiction and commercial litigationHélène van Lith · 2009
Civil society, international courts and compliance bodiesTullio Treves · 2005- 📕Die Autorität des RechtsKarl Doehring, Torsten Stein · 1985
- 📕Indebito comunitario e sistema tributario internoRossella Miceli · 2009
The Effectiveness of international environmental agreementsPeter H. Sand · 1992
Ranked by number of editions on Open Library, a rough measure of how lasting a book is.
🔗 Related topics
- External validity External validity is the validity of applying the conclusions of a scientific study outside the context of that study. In other words, it is the extent…
- Quasi-experiment A quasi-experiment is a research design used to estimate the causal impact of an intervention. This research design is aimed at assessing the difference…
- Confounding In causal inference, confounding is a form of systematic error (or bias) that can distort estimates of causal effects in observational studies. A confounder…
- Scientific control A scientific control is an element of an experiment or observation designed to minimize the influence of variables other than the independent variable…
- Statistical conclusion validity Statistical conclusion validity is the degree to which conclusions about the relationship among variables based on the data are correct or "reasonable"…
- Observational study An observational study is a type of research design in which outcomes are measured to identify patterns or associations without attempts by the investigator…
- Experimental psychology Experimental psychology is the work done by those who apply experimental methods to psychological study and the underlying processes. Experimental psychologists…
- Validity (statistics) Validity is the main extent to which a concept, conclusion, or measurement is well-founded and likely corresponds accurately to the real world. The word…