V2EX carryover effect

Carryover Effect

定义 Definition

“carryover effect”(携带效应/残留效应)指先前的经历、处理(treatment)或条件后续表现、反应或结果产生的持续影响。常见于心理学学习迁移、习惯形成,以及统计/医学中的交叉试验(cross-over trial)设计中;在这些场景里,它可能造成结果偏差,因此常需要“洗脱期”(washout period)来降低影响。该词在不同领域也可泛指“遗留影响/后劲”。

发音 Pronunciation (IPA)

/kriovr fkt/

例句 Examples

The carryover effect made the second task easier.
携带效应让第二个任务变得更容易。

In a cross-over study, researchers added a washout period to reduce the carryover effect from the first drug before testing the second.
在交叉研究中,研究人员加入洗脱期,以减少第一种药物对测试第二种药物时造成的携带效应。

词源 Etymology

“carryover”由 carry(携带、带来)+ over(延续到之后)构成,表示“把影响带到后面去”;“effect”意为“效应、影响”。合起来就是“先前条件的影响延续到后续阶段”的意思。

相关词 Related Words

文学与著名作品 Literary / Notable Works

  • Design and Analysis of Cross-Over Trials(Stephen Senn)讨论交叉试验中“carryover effect”的识别与处理。
  • Crossover Trials in Clinical Research(通常被用作临床研究方法学参考书)系统介绍携带效应与洗脱期设计。
  • Experimental and Quasi-Experimental Designs for Generalized Causal Inference(Shadish, Cook, & Campbell)在实验设计与内部效度语境下涉及类似“前序条件影响后续测量”的问题。
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