noun HSK 5
effectiveness · validity · efficacy
Meaning
有效性 refers to the quality or state of being effective or valid. It's commonly used in formal, academic, and technical contexts to discuss whether something works as intended or whether evidence, methods, or arguments are sound and reliable.
Usage
This is a formal noun frequently seen in academic papers, technical reports, legal documents, and business contexts. Native speakers use it when evaluating the reliability of data, the efficacy of methods, or the validity of conclusions. It's less common in casual conversation.
Examples
- 01我们需要验证这个方法的有效性。.We need to verify the effectiveness of this method.
- 02研究结果证明了该药物的有效性。.The research results proved the efficacy of this medication.
Characters
Common collocations
- 提高有效性to improve effectiveness
- 验证有效性to verify validity
- 评估有效性to assess effectiveness
- 保证有效性to ensure validity
Antonyms
Origin
The word is constructed from 有效 (yǒuxiào, 'effective') plus the nominalizing suffix 性 (xìng), which transforms adjectives into abstract nouns, similar to '-ness' or '-ity' in English.