effectiveness
/ɪˈfektɪvnəs/
CEFR level B2Topic ScienceWord #3995 in the learning path
有效性；成效
Definitions
n. the degree to which something produces the intended result
有效性；成效
Example
I was surprised by the effectiveness of this cleaner.
这种清洁剂的效果让我很惊讶。
Researchers should evaluate the effectiveness of educational programmes before recommending their adoption across the national school system.
研究人员应先评估教育项目的成效，再建议在全国学校系统中推广。
Collocations
- evaluate effectiveness
- improve effectiveness
- demonstrate effectiveness
- cost effectiveness
Word family
- effective (adj.)
- effectively (adv.)
- ineffective (adj.)
- effect (n.)
Synonyms
- efficacy
Antonyms
- ineffectiveness
Usage tip
effectiveness重效果；efficiency重时间与资源效率。
FAQ
- What does effectiveness mean?
- the degree to which something produces the intended result
- How is effectiveness pronounced?
- UK /ɪˈfektɪvnəs/, US /ɪˈfektɪvnəs/. Use the audio buttons above to listen.
