Word · CEFR B2 · Frequency #3478
effectiveness
效力；有效性
the quality of being effective; the ability to bring about a desired effect
- 1.
The property of being effective, of achieving results.
有效性,达到结果的属性。
- 2.
power to be effective; the quality of being able to bring about an effect
生效的力量；能够产生效果的品质
- 3.
The capacity or potential for achieving results.
实现结果的能力或潜力。
- 4.
capacity to produce strong physiological or chemical effects
产生强烈生理或化学效应的能力
- 5.
The degree to which something achieves results.
某物达到结果的程度。
有效性,达到结果的属性。；生效的力量；能够产生效果的品质；实现结果的能力或潜力。；产生强烈生理或化学效应的能力；某物达到结果的程度。
In use
The effectiveness of the new training program was clear from the test results.
We measured the effectiveness of the medicine in reducing pain.
Many people question the effectiveness of online advertising.
the effectiveness of sth
The effectiveness of the new drug is still under study.
这种新药的有效性仍在研究中。
effectiveness in doing sth
The team demonstrated its effectiveness in reducing costs.
该团队在降低成本方面展现了其有效性。
measure/evaluate the effectiveness of sth
常用动词有 measure, evaluate, assess 等。
Connections
Collocations
- improve effectiveness
- 提高有效性
- We need to improve the effectiveness of our training program.我们需要提高培训计划的有效性。
- measure effectiveness
- 衡量有效性
- It is difficult to measure the effectiveness of advertising campaigns.衡量广告活动的有效性是困难的。
- overall effectiveness
- 整体有效性
- The overall effectiveness of the new system has been questioned.新系统的整体有效性受到了质疑。
- cost-effectiveness
- 成本效益
- Cost-effectiveness is a key factor in choosing a treatment method.成本效益是选择治疗方法的关键因素。
- treatment effectiveness
- 治疗效果
- The study evaluated the treatment effectiveness of the new drug.该研究评估了这种新药的治疗效果。
Learner notes
Memory Tip
联想：effect（效果）+ ness（名词后缀）→ 产生效果的能力，即有效性。
Context & Register
常见场景：学术写作、商业报告、管理评估 该词多用于学术、商业或管理类正式语境，表示达到预期效果的能力。
Grammar Note
不可数名词，常与介词of连用，如the effectiveness of sth.
Pronunciation & Spelling
These words share the common suffix "-ness" but do not necessarily rhyme with "effectiveness" because their stressed vowels differ (e.g., /ɛ/ in effectiveness vs. /æ/, /ɪ/, /aɪ/, /iː/, /ɑː/, /aɪ/). Only the unstressed /nɪs/ ending is identical.
Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.