The page below is a sample from the LabCE course Quality Control. Access the complete course and earn ASCLS P.A.C.E.-approved continuing education credits by subscribing online.

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Random Error

Random error affects the precision of a test (reproducibility). Factors that contribute to random errors include:

  • Bubbles in reagents or reagent lines
  • Instrument instability
  • Temperature variations
  • Operator variability, such as variation in pipetting