V2EX observed score

Observed Score

定义 Definition

observed score(观察分数/实得分):在测验或评估中,个体实际得到的分数(例如考试卷面分、量表总分)。在经典测验理论中,它通常被视为“真分数(true score)+ 误差(error)”的结果。该术语在统计与心理测量语境最常见;在其他领域也可泛指“记录到的得分”。

发音 Pronunciation (IPA)

/bzvd skr/

例句 Examples

The observed score was 78 out of 100.
观察分数是100分中的78分。

In classical test theory, an observed score is modeled as the sum of a true score and measurement error, so reliability affects how close it is to the person’s actual ability.
在经典测验理论中,观察分数被建模为真分数与测量误差之和,因此信度会影响它与个体真实能力的接近程度。

词源 Etymology

observed 来自拉丁语 observare(留意、观察),强调“被观察/被记录到的”;score 源自中古英语 score(刻痕、记号),后来引申为“计分”。合在一起,突出“实际记录到的分数”,与理论上的“真分数”相对。

相关词 Related Words

文学/著作示例 Literary Works

  • Lord, F. M., & Novick, M. R. Statistical Theories of Mental Test Scores(心理测量经典著作,讨论 observed score 与 true score、误差的关系)
  • Crocker, L., & Algina, J. Introduction to Classical and Modern Test Theory(系统讲解经典测验理论,常用 observed score 作为核心概念)
  • Nunnally, J. C., & Bernstein, I. H. Psychometric Theory(心理测量学权威教材,涉及 observed scores、信度与效度等)
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