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"Graphical exam analysis" by Mustafa S. Yousuf, Katherine Miles et al.

Exams should be valid, reliable, and discriminative. Multiple informative methods are used for exam analysis. Displaying analysis results numerically, however, may not be easily comprehended. Using graphical analysis tools could be better for the perception of analysis results. Two such methods were employed: standardized x-bar control charts with standard error of measurement as control limits and receiver operator characteristic curves. Exams of two medical classes were analyzed. For each exam, the mean, standard deviation, reliability, and standard error of measurement were calculated. The means were standardized and plotted against the reference lines of the control chart. The means were chosen as cut-off points to calculate sensitivity and specificity. The receiver operator characteristic curve was plotted and area under the curve determined. Standardized control charts allowed clear, simultaneous comparison of multiple exams. Calculating the control limits from the standard error ....

Control Charts , Exam Analysis , Medical Exams , Eceiver Operator Characteristic Curve ,

Business Process Analyst - IT-Online

Business Process Analyst - IT-Online
it-online.co.za - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from it-online.co.za Daily Mail and Mail on Sunday newspapers.

Information Systems , Work Experience , Qualification Level , Support Change , Control Charts , Process Maps , Fish Bone ,