1
representativeness of n.
通常与 of 连用，表示某事物的代表性。
The representativeness of the sample is crucial.
样本的代表性至关重要。
代表性
先理解核心含义，再看它在真实句子里的用法。
代表性
The state or quality of being representative.
The representativeness of the sample is crucial.
样本的代表性至关重要。
代表性；典型性
The state or quality of being representative.
The representativeness of the survey sample ensures that the results can be generalized to the whole population.
调查样本的代表性确保了结果可以推广到整个人群。
Critics questioned the representativeness of the art collection, as it featured only works from a single region.
评论家质疑这个艺术收藏的代表性，因为它只展出了来自一个地区的作品。
To assess the representativeness of the data, we compared it with national statistics.
为了评估数据的代表性，我们将其与国家统计数据进行了比较。
通常与 of 连用，表示某事物的代表性。
The representativeness of the sample is crucial.
样本的代表性至关重要。
表示在某领域或方面的代表性。
We need to ensure representativeness in the survey.
我们需要确保调查中的代表性。
常与动词如 emphasize、ensure、measure 等搭配。
Researchers emphasize representativeness in their studies.
研究人员强调研究中的代表性。
Not this
The sample's representative is important for the study.
Use this
The representativeness of the sample is important for the study.
错误使用了'representative'作为名词表示'代表性'，但'representative'作名词时指'代表'（人），不表示抽象属性。应使用'representativeness'来指代'代表性'这一特性。
Not this
We need a representativeness sample.
Use this
We need a representative sample.
'representativeness'是名词，不能直接修饰名词'sample'。应使用形容词'representative'来修饰'sample'，表示'代表性的样本'。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
代表性启发
The representativeness heuristic can lead people to ignore base rates.
代表性启发会使人们忽视基础比率。
样本代表性
Sample representativeness is crucial for making valid generalizations.
样本代表性对于做出有效概括至关重要。
确保代表性
Researchers used random selection to ensure representativeness.
研究人员使用随机抽样来确保代表性。
代表性程度
We assessed the degree of representativeness of the survey results.
我们评估了调查结果的代表性程度。
缺乏代表性
The committee's lack of representativeness led to public criticism.
该委员会缺乏代表性，引发了公众批评。
政治代表性
Electoral reform aimed to improve political representativeness.
选举改革旨在提高政治代表性。
Use representativeness naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
记法：representative（有代表性的）+ -ness（名词后缀）→ 代表性。想象样本代表整体，即典型性。
语域：formal 常见场景：学术论文、统计分析、调查研究 representativeness 通常用于学术或正式语境，强调样本或事例的代表性；日常口语中较少使用，多会用 representative 来表达类似含义。
通常不可数，常用搭配 of
Dictionary facts from ECDICT, WIKTIONARY.