Only 1 observer assessed sex, age, mass, and forearm length because these measures are less subject to observer variation
There is wide intra observer and inter observer variation
in the interpretation of cardiotocograms even among experts.
A single observer (RJS) conducted these counts after initial tests for observer variation
Inter- observer variation
in the assessment of appendiceal perforation.
in the diagnosis of follicular variant of papillary thyroid carcinoma.
Assessment of bone density from plain x-rays is not appropriate as there is a observer variation
in grading sacroiliac radiographs might be a cause of 'sacroiliitis' reported in certain disease states.
in morphometry has been reported previously, and similar variations can occur, even with mechanical approaches to cytometry.
A detailed analysis of the epidemiological methods, observer variation
, representativeness of the sample of subjects and validity of the methods used has been reported elsewhere (1)(6).
adds to the error of a child's recall or record, but can be minimized with criterion-based training and blind duplicate measures.
in the diagnosis of dysplasia in Barrett's esophagus.
Differences among pathologists or between temporally separate observations by a single pathologist are frequently a function of observer variation
rather than real differences in pathology.