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standardized mean difference [1 record]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2014-01-23

English

Subject field(s)
  • Scientific Research Methods
  • Statistical Methods
  • General Medicine, Hygiene and Health
DEF

The difference between two means, divided by an estimate of the within-group standard deviation.

OBS

When a continuous variable (such as pain) is measured in a variety of ways across studies (using different scales), it may prove impossible to compare or combine the study results in a meta-analysis. If the effects are expressed as a standardised value, the results can be combined, since they are no longer expressed as units of measurement.

OBS

standardised mean difference; standardized mean difference; d index; SMD: terms, abbreviation and definition standardized by the Health Technology Assessment (HTA) Glossary English Editorial Board and the Translation Bureau.

French

Domaine(s)
  • Méthodes de recherche scientifique
  • Méthodes statistiques
  • Médecine générale, hygiène et santé
DEF

Différence entre deux moyennes, divisée par une estimation de l’écart type intragroupe.

OBS

Lorsqu’une variable continue (comme la douleur) est mesurée de différentes façons d’une étude à l’autre (à l’aide de différentes échelles), il peut s’avérer impossible de comparer ou de combiner les résultats des études dans une méta-analyse. En exprimant les effets en valeur standardisée, on peut combiner les résultats puisqu’ils ne sont plus exprimés en unités de mesure.

OBS

indice d; moyenne des différences standardisées : termes et définition normalisés par l'Institut national d'excellence en santé et en services sociaux (INESSS) et le Bureau de la traduction.

Key term(s)
  • différences moyennes standardisées

Spanish

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