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"Efficacy" is a noun which is often translated as "la eficacia", and "effectiveness" is a noun which is also often translated as "la eficacia". Learn more about the difference between "efficacy" and "effectiveness" below.
efficacy(
eh
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fih
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kuh
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si
)A noun is a word referring to a person, animal, place, thing, feeling, or idea (e.g., man, dog, house).
1. (formal) (exhibiting great effect)
A word or phrase used to refer to the second person formal “usted” by their conjugation or implied context (e.g., usted).
a. la eficacia (F)
(f) means that a noun is feminine. Spanish nouns have a gender, which is either feminine (like la mujer or la luna) or masculine (like el hombre or el sol).
Doctor Jones requested the agency investigate the efficacy of homeopathic remedies.El doctor Jones solicitó a la agencia investigar la eficacia de los remedios homeopáticos.
effectiveness(
ih
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fehk
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dihv
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nihs
)A noun is a word referring to a person, animal, place, thing, feeling, or idea (e.g., man, dog, house).
1. (efficiency)
a. la eficacia (F)
(f) means that a noun is feminine. Spanish nouns have a gender, which is either feminine (like la mujer or la luna) or masculine (like el hombre or el sol).
The company is seeking to improve the effectiveness of its staff training program.Le empresa busca mejorar la eficacia del programa de formación del personal.
b. la efectividad (F)
(f) means that a noun is feminine. Spanish nouns have a gender, which is either feminine (like la mujer or la luna) or masculine (like el hombre or el sol).
This change in the polls demonstrates the effectiveness of our campaigning.Este cambio en los sondeos demuestra la efectividad de nuestra campaña.
2. (effect)
a. el efecto (M)
(m) means that a noun is masculine. Spanish nouns have a gender, which is either feminine (like la mujer or la luna) or masculine (like el hombre or el sol).
You can see the effectiveness of this color combination in the photo on the opposite page.Se puede ver el efecto de esta combinación de colores en la foto de la página siguiente.
