TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

MODELE EFFETS ALEATOIRES [1 record]

Record 1 2014-01-23

English

Subject field(s)
  • Modelling (Mathematics)
  • Statistical Methods
DEF

In a meta-analysis, a statistical model in which both the within-study variance and the between-studies variances are included in the assessment of the degree of uncertainty (confidence interval) of the combined effect of the studies.

OBS

If there is significant heterogeneity among the results of the studies included in a meta-analysis, a random effects model will give wider confidence intervals than a fixed-effect model.

OBS

random effects model: term and definition standardized by the Health Technology Assessment (HTA) Glossary English Editorial Board and the Translation Bureau.

French

Domaine(s)
  • Modélisation (Mathématique)
  • Méthodes statistiques
DEF

Dans une méta-analyse, modèle statistique où tant la variance intra-étude que les variances interétudes sont incluses dans l’évaluation du degré d’incertitude (intervalle de confiance) de l’effet combiné des études.

OBS

Si l’hétérogénéité entre les résultats des études incluses dans la méta-analyse est importante, le modèle à effets aléatoires donnera des intervalles de confiance plus larges que le modèle à effets fixes.

OBS

modèle à effets aléatoires : terme et définition normalisés par l'Institut national d'excellence en santé et en services sociaux (INESSS) et le Bureau de la traduction.

Spanish

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