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Fig. 5 | BMC Medical Education

Fig. 5

From: Quality-assured training in the evaluation of cochlear implant electrode position: a prospective experimental study

Fig. 5

Shewhart chart of the student measuring the aDOI at electrode contact E1 (left panel) and E22 (right panel). In each of the student’s measurement series, interrater EMD differences (average of two series by a senior rater – student; N = 30) are plotted. Error bars show the 0.1th to 99.9th interpercentile range (IPR) of these interrater differences, according to the control limits given by the intrarater IPR of the senior rater (dotted lines). A bold solid line indicates the median value of the senior rater’s intrarater differences. Median interrater differences are linked across the three measurement series by a thin solid line

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