effectiveness

US /əˈfek.tɪv.nəs/
UK /əˈfek.tɪv.nəs/
"effectiveness" picture
1.

efficacité, efficience

the degree to which something is successful in producing a desired result; success

:
The effectiveness of the new policy is still being evaluated.
L'efficacité de la nouvelle politique est toujours en cours d'évaluation.
We need to improve the effectiveness of our marketing campaigns.
Nous devons améliorer l'efficacité de nos campagnes de marketing.