V2EX schedule variance

Schedule Variance

定义 Definition

Schedule variance(SV,进度偏差):项目管理与挣值管理(EVM)中的指标,用来衡量实际进度相对于计划进度的偏差。常见计算方式为:
SV = EV(挣值) PV(计划值)

  • SV > 0:进度超前
  • SV < 0:进度落后
    (在EVM语境中,SV以“价值/成本单位”表示进度偏差;在日常管理中也可泛指“工期偏差”。)

发音 Pronunciation (IPA)

/skedul vrins/
/edjul vrins/

例句 Examples

Our schedule variance is negative, so we’re behind plan.
我们的进度偏差为负,因此我们落后于计划。

After recalculating earned value, the schedule variance showed the project was slipping despite stable costs.
重新计算挣值后,进度偏差显示项目在成本稳定的情况下仍在延期。

词源 Etymology

schedule 源自拉丁语 schedula(“小纸条、清单”),引申为“时间表、计划表”;variance 源自拉丁语 variare(“变化、不同”),表示“差异、偏差”组合起来,schedule variance 直译为“时间表上的偏差”,在项目管理中特指“进度相对计划的偏差”。

相关词 Related Words

文学与著作中的用例 Literary Works

  • *A Guide to the Project Management Body of Knowledge (PMBOK Guide)*(PMI,《项目管理知识体系指南》)
  • Practice Standard for Earned Value Management(PMI,《挣值管理实践标准》)
  • Harold Kerzner, Project Management: A Systems Approach to Planning, Scheduling, and Controlling
  • Quentin W. Fleming & Joel M. Koppelman, Earned Value Project Management
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