Cool MateEffectiveness vs Efficacy
Quand utiliser chacun en anglais, avec le sens, le registre et des exemples.
Effectiveness
Top 2000 (courant)C1noun
Efficacy
FormelAu-delà de 10 000 (moins courant)
Le plus formel: EfficacyLe plus courant: Effectiveness
| Effectiveness | Efficacy | |
|---|---|---|
| Prononciation | 🇬🇧 /["/ɪˈfektɪvnəs/","/ɪˌfekˈtɪvəti/"]/🇺🇸 /["/ɪˈfektɪvnəs/","/ɪˌfekˈtɪvəti/"]/ | 🇬🇧 //ˈɛfɪkəsi//🇺🇸 //ˈɛfɪkəsi// |
| Sens | How well something works or succeeds. | Effectiveness or how well something works. |
| Exemple | to check the effectiveness of the security system | The efficacy of the new vaccine was confirmed in clinical trials. |
| Registre | Neutre | Formel |
| Fréquence | Top 2000 (courant) | Au-delà de 10 000 (moins courant) |
| Niveau CEFR | C1 | - |
| Nature grammaticale | noun | |
| Collocations | measure effectiveness, assess effectiveness, improve effectiveness, evaluate effectiveness | clinical efficacy, evaluate efficacy, prove efficacy, demonstrate efficacy, measure efficacy |
| Antonymes | ineffectiveness, failure | - |
| Erreurs fréquentes | Confused with 'effect' — remember 'effect' is a noun meaning the result., Using 'effectiveness' when discussing personal feelings — it's more about objective results., Mispronouncing the word, often stressing the wrong syllable. | Confused with 'efficiency', which refers to doing things quickly and without waste., Often used without proper context; needs to specify what is being evaluated., Mispronounced, especially by non-native speakers. |
| Notes d'usage | Used in both formal and informal contexts, often in discussions of strategies, programs, or methods. Avoid using in overly casual conversations. | Used primarily in formal contexts like research, medicine, and discussions about policy. Less common in everyday conversation. |
Questions fréquentes : Effectiveness vs Efficacy
Quelle est la différence entre Effectiveness et Efficacy ?
Effectiveness: How well something works or succeeds. Efficacy: Effectiveness or how well something works.
Lequel est le plus formel : Effectiveness et Efficacy ?
Efficacy est le plus formel de tous.
Lequel est le plus courant : Effectiveness et Efficacy ?
Effectiveness est le plus courant dans l'anglais de tous les jours.
Peux-tu montrer un exemple de chacun ?
Effectiveness: to check the effectiveness of the security system Efficacy: The efficacy of the new vaccine was confirmed in clinical trials.
Puis-je utiliser Effectiveness et Efficacy de façon interchangeable ?
Pas toujours. Effectiveness et Efficacy sont proches et se recoupent parfois, mais elles diffèrent par le registre, la fréquence et l'usage, donc remplacer l'une par l'autre peut changer le sens ou le ton. Regarde les différences ci-dessus avant de substituer.