有効率
yūkōritsu
The English phrase efficacy is translated into Japanese as 有効率 (yūkōritsu).
有効率 is used to mean efficacy rate. It is most commonly used in technical, medical or statistical contexts to describe the rate at which a treatment or method produces a desired result.
Meaning: degree of ability to produce a desired effect (noun)
Which one should you use?
While 有効率 specifically refers to a measurable 'rate' or 'ratio' of efficacy, 有効性 is a more general noun used to describe the quality of being effective. Additionally, 効力 is a formal way to say efficacy focusing on the power or strength of the effect.
How do you pronounce it?
yūkōritsu
Did you know?
- In Japanese, the concept of 'efficacy' for a medicine is often expressed through the verb 効く (kiku), which is a homophone for the verb 'to listen'.
- While 有効率 describes statistical efficacy, the word 効力 is used to describe the 'efficacy' of a magical spell or supernatural power in Japanese fantasy literature and anime.
- The word 有効 (yūkō) is used for both 'efficacy' and 'validity', meaning a Japanese speaker uses the same root word to describe a successful medical treatment and an unexpired subway ticket.
Examples in context
- 研究者は新しい治療法の有効性を測るために研究を行いました。The researchers conducted a study to measure the efficacy of the new treatment.
- この法律の効力は近い将来に検証されるでしょう。The efficacy of this law will be tested in the coming months.
- この虫除けは効き目が強いよ。This mosquito repellent has a strong efficacy.
Example conversation
Misaki and Hiroto are reviewing research data in a laboratory.
- 美咲 Misaki大翔さん、このデータの有効率はどうですか？Hiroto-san, kono deeta no yukoukorytsu wa dou desu ka?Hiroto, what do you think about the efficacy in this data?
- 大翔 Hiroto予想よりも有効率が低いですね。yosou yori mo yukoukorytsu ga hikui desu ne.The efficacy is lower than expected.
- 美咲 Misaki原因を分析して、再試験しましょう。gen'in o bunseki shite, saishiken shimashou.Let's analyze the cause and retest it.
- 大翔 Hirotoわかりました。すぐに準備します。wakarimashita. sugu ni junbi shimasu.Understood. I will prepare it right away.
