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偏差 (piān chā) — bias; deviation

Definition

偏差 is a neutral technical term for 'deviation' or measurement offset — it describes the gap itself, not a judgment. 偏差 ≠ 误差: 偏差 is the observed gap from a target, while 误差 is the unavoidable measurement error.

noun
biasdeviation

Examples

  • 偏差。
    Shí yàn jié guǒ de piān chā bì xū kòng zhì zài yǔn xǔ fàn wéi nèi.
    The deviation of the experimental results must be kept within the allowable range.
  • 偏差，。
    Yóu yú rèn zhī piān chā, tā hěn nán kè guān dì píng gū xíng shì.
    Due to cognitive bias, he finds it difficult to assess the situation objectively.
  • 偏差，。
    Zhè cì de piān chā suī rán xiǎo, què yǐng xiǎng le zhěng tǐ yù cè.
    Although the deviation this time is small, it has affected the overall forecast.

Origin

Compound word
构词法gòucífǎ
联合liánhéCoordinate

Two parts of equal weight, alike or opposite in meaning, standing side by side.

偏piāndeviation
差chàdifference

偏 and 差 both point to a departure from the norm, so the word names bias or deviation.

Characters in this word

Most characters — around four in five — are built this way: one part hints at the meaning, the other at the pronunciation.

Meaning part形符xíngfú
亻Written in full as人rén
Sound part声符shēngfú
扁
扁biǎn偏piān
Same sound today

偏 combines 亻 (人, a person) with 扁, which gives the sound.

Open 偏 →

Two or more meaningful parts placed together so that their meanings combine into a new one.

  • 來來láiwheat
  • 𠂇𠂇𠂇left hand

差 pairs 來 (wheat) with 𠂇 (left hand), showing wheat rubbed in a hand to remove its hull.

Open 差 →
Appears in
HSK 3.0 Level 7-9HSK 2.0 Level 6Abstract Concepts

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