effectiveness

effectiveness — 名詞

1. The ability of something to produce the results that were wanted or intended; ho

1.名詞B2
釋義

效果;效能

達成預期結果的能力

The ability of something to produce the results that were wanted or intended; how successfully a method, action, or treatment achieves its goal.

例句

Gabriela measured the effectiveness of her new study method by comparing her grades before and after.

Gabriela 比對了考試成績的變化,來衡量新學習方法的成效。

effectiveness of + noun phrase for measured outcomes

The effectiveness of the school's recycling program doubled after they added more collection bins.

學校在增設更多回收桶之後,資源回收計畫的成效提高了一倍。

同義詞
  • efficacy

    More formal and technical; preferred in medical and scientific writing

  • efficiency

    Emphasizes doing things with minimal waste of time or resources, not just achieving results

  • success

    Broader term referring to a favorable outcome, not necessarily the ability to produce it

反義詞

文法句型

effectiveness of + noun phrase

用法筆記

Uncountable noun. Frequently used with the preposition 'of' followed by the thing being measured (e.g., effectiveness of a program, effectiveness of a method).

常見錯誤

I don't like the effective of this plan.
I don't like the effectiveness of this plan.
💡'Effective' is an adjective; the noun form is 'effectiveness'.

2. How well a medical treatment performs when used by ordinary patients in routine

2.名詞C1
釋義

實效

治療在真實世界的效果

How well a medical treatment performs when used by ordinary patients in routine settings, as opposed to under controlled research conditions.

例句

Sayaka's study measured the vaccine's effectiveness among patients who did not always complete the full dose.

Sayaka 的研究測量了該疫苗在那些未能完整接種的患者身上的實效。

vaccine effectiveness measured in real-world conditions

The drug's real-world effectiveness turned out to be lower than the clinical trials had predicted.

該藥物的真實世界實效其實比臨床試驗預測的結果要低。

同義詞
  • efficacy

    The counterpart term for controlled-condition performance; contrasted with this sense

文法句型

effectiveness of + drug/treatment

用法筆記

Distinguished from 'efficacy' in medical contexts: efficacy refers to performance under carefully controlled trial conditions, while effectiveness refers to performance in everyday real-world use.

常見錯誤

The drug showed high effectiveness in the clinical trial.
The drug showed high efficacy in the clinical trial.
💡In medicine, 'efficacy' is used for controlled trial results; 'effectiveness' refers to real-world results.