effectiveness
gb/ɪfˈɛktɪvnəs/ us/ɪfˈɛktɪvnəs/
B1
英語
~ 4700
語義
0件の語義
名詞
B1
property
1
Ability to achieve desired results
How well something works to get the result you want.
用法パターン：
the effectiveness of [something]
よくある間違い：
Learners sometimes confuse 'effectiveness' with 'efficiency'. 'Effectiveness' is about achieving the goal, while 'efficiency' is about doing it with minimal waste.
類義語
efficacy (More formal and often used in scientific or medical contexts.)
|
success (Less precise; refers generally to achieving a goal, not necessarily efficiency or method.)
対義語
ineffectiveness (Direct opposite; failure to produce the desired result.)
|
inefficiency (Focuses more on wastefulness rather than complete failure.)
コロケーション
measure effectiveness
|increase effectiveness
|reduce effectiveness
|evaluate effectiveness
|effectiveness of treatment
テーマ
business
|science
|daily life
|core_vocabulary
|work
例文
- The effectiveness of the new marketing strategy was clear from the sales figures.
- Researchers tested the drug's effectiveness in reducing symptoms.
- Training programs can improve the effectiveness of employees.
- The effectiveness of this method has been proven over time.
学習者向け例文
- The medicine showed high effectiveness.
- We checked the effectiveness of the plan.
- Good tools can improve effectiveness.
- The teacher talked about the effectiveness of reading every day.
文法
辞書形
effectiveness
IPA
GB/ɪfˈɛktɪvnəs/
US/ɪfˈɛktɪvnəs/
音節・強勢
ef - fect - ive - ness （4音節）
Stress on 2nd syllable (fect)
活用形
Noun
- Base: effectiveness
- Plural: effectiveness, effectivenesses
関連語
Forms
effectivenesses
noun
Core family
Related words
Negative and opposite forms
Advanced or less common
efficacy
noun C1
efficacious
adjective
表現
evaluate effectiveness
1/ɪvˈæljuˌeɪt ɪfˈɛktɪvnəs/
fixed phrase
Judge how well something works
To decide how good something is at doing what it should do.
例文
- Experts will evaluate effectiveness after the trial.
- The company evaluates effectiveness every quarter.
measure effectiveness
1/mˈɛʒɚ ɪfˈɛktɪvnəs/
fixed phrase
Assess how well something works
To find out how good something is at getting results.
例文
- We need to measure effectiveness before making changes.
- The study aims to measure effectiveness of different teaching methods.
reduce effectiveness
1/ɹɪdˈus ɪfˈɛktɪvnəs/
fixed phrase
Make something work less well
To make something less good at getting results.
例文
- Too much heat can reduce the effectiveness of the medicine.
- Stress may reduce the effectiveness of your work.