Owing to the abnormalities with fumbling or careless responses from examinees, the invalid answers will tumble our explanations and interpretations for surveys.The results of those item calibrations were programmed into web site in a bit to render online surveys on internet and obtain instant responses from patients simultaneously. A KIDMAP performance diagnosis was designed to help physician recognize which response endorsed by patients should be trusted or neglected in accordance with the Rasch fit statistics.

How to release much more useful messages in exception of those normal or abnormal categories from health examination reports is a vital task to be implemented via information hi-tech. We developed a 21-item inventory of health examination, which can be used to investigate effects of examinees and their differences beyond expectation on health status. Rasch analysis was applied in this study to analyze dimensionality, differential item functioning, distribution of health ability and item difficulty, and group differences. A KIDMAP was illustrated to show the results of health examination on internet and the possibilities of related diseases such as osteoporosis.