Accueil > Term: internal validity
internal validity
Selection and comparison of index and comparison groups in such a manner that, apart from sampling error, the observed differences between these groups with respect to dependent variables under study may be attributed only to the hypothesized effect under investigation.
- Partie du discours : noun
- Secteur d’activité/Domaine : Biologie; Chimie
- Catégorie : Toxicologie
- Company: National Library of Medicine
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Créateur
- Walter Lane
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