An offset (additive) or scaling factor (multiplicative) that affects all measurements by a particular instrument. The bias may be estimated, in which case it can be corrected for (a correction), or may be an unknown error. Add new comment Your name * E-mail * The content of this field is kept private and will not be shown publicly. Homepage Comment * CAPTCHAThis question is for testing whether or not you are a human visitor and to prevent automated spam submissions. Math question * 7 + 5 = Solve this simple math problem and enter the result. E.g. for 1+3, enter 4.