effectiveness
US /əˈfek.tɪv.nəs/
UK /əˈfek.tɪv.nəs/
1.
eficácia, efetividade
the degree to which something is successful in producing a desired result; success
:
•
The effectiveness of the new policy is still being evaluated.
A eficácia da nova política ainda está sendo avaliada.
•
We need to improve the effectiveness of our marketing campaigns.
Precisamos melhorar a eficácia de nossas campanhas de marketing.