Effectiveness vs Efficacy vs Success

Quando usare ciascuno in inglese, con significato, registro ed esempi.

Effectiveness

Top 2000 (comune)C1noun

Efficacy

FormaleOltre 10.000 (meno comune)

Success

Top 1000 (molto comune)A1noun
Più formale: EfficacyPiù comune: Success
 EffectivenessEfficacySuccess
Pronuncia🇬🇧 /["/ɪˈfektɪvnəs/","/ɪˌfekˈtɪvəti/"]/🇺🇸 /["/ɪˈfektɪvnəs/","/ɪˌfekˈtɪvəti/"]/🇬🇧 //ˈɛfɪkəsi//🇺🇸 //ˈɛfɪkəsi//🇬🇧 /["/səkˈses/"]/🇺🇸 /["/səkˈses/"]/
SignificatoHow well something works or succeeds.Effectiveness or how well something works.When you achieve something you wanted to do.
Esempioto check the effectiveness of the security systemThe efficacy of the new vaccine was confirmed in clinical trials.His success in the competition made him very proud.
RegistroNeutroFormaleNeutro
Quanto è comuneTop 2000 (comune)Oltre 10.000 (meno comune)Top 1000 (molto comune)
Livello CEFRC1-A1
Categoria grammaticalenounnoun
Collocazionimeasure effectiveness, assess effectiveness, improve effectiveness, evaluate effectivenessclinical efficacy, evaluate efficacy, prove efficacy, demonstrate efficacy, measure efficacyenormous, great, immense, amount, degree, level, achieve, attain, enjoy, come, lie (in something), depend on something, rate, story, factor, with success, without success, success in, a chance of success, a hope of success, confident of success, resounding, roaring, rousing, be, prove, have, wish somebody (every) success
Contrariineffectiveness, failure-failure, defeat, setback
Errori comuniConfused 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.Confused with 'successfully', which is an adverb., Used incorrectly as a verb instead of the noun form., Misplaced in sentences, such as 'We have success' instead of 'We are successful'.
Note d'usoUsed 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.Use 'success' when talking about achieving goals or winning in a friendly context. Avoid using it in negative situations or as a mockery.

Domande frequenti: Effectiveness vs Efficacy vs Success

Qual è la differenza tra Effectiveness, Efficacy e Success?

Effectiveness: How well something works or succeeds. Efficacy: Effectiveness or how well something works. Success: When you achieve something you wanted to do.

Quale è più formale: Effectiveness, Efficacy e Success?

Efficacy è la più formale tra queste.

Quale è più comune: Effectiveness, Efficacy e Success?

Success è la più comune nell'inglese di tutti i giorni.

Quale è più avanzata: Effectiveness, Efficacy e Success?

Effectiveness è il livello più alto, a C1, sulla scala CEFR.

Puoi mostrare un esempio di ciascuna?

Effectiveness: to check the effectiveness of the security system Efficacy: The efficacy of the new vaccine was confirmed in clinical trials. Success: His success in the competition made him very proud.

Posso usare Effectiveness, Efficacy e Success in modo intercambiabile?

Non sempre. Effectiveness, Efficacy e Success sono affini e a volte si sovrappongono, ma differiscono per registro, frequenza e uso, quindi scambiarle può cambiare il significato o il tono. Controlla le differenze qui sopra prima di sostituire.

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