The failure by the observer to measure or identify a phenomenon accurately, which results in an error. Sources for this may be due to the observer's missing an abnormality, or to faulty technique resulting in incorrect test measurement, or to misinterpretation of the data. Two varieties are inter-observer variation (the amount observers vary from o...
Found on
http://www.encyclo.co.uk/local/20973
Observer variation: Failure by the observer to measure accurately, resulting in error. Observer variation may be due to the observer's missing a measurement, making an incorrect measurement, or misinterpreting data. Inter-observer variation is the amount of variation between the results obtained by two or more observers examining the same material....
Found on
http://www.medterms.com/script/main/art.asp?articlekey=8056
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