An online ADL-CAT assessment APP was designed for use on smart phones

TC Tsair-Wei Chien
WL Weir-Sen Lin
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An online routine was designed for patients to report their ADL T scores (mean = 50, SD = 10) that were transformed using the formula: (50 + 10 × estimated person measure for cut-points). The three kinds of item pool (Tables 1 and and2)2) were uploaded to the website. The first CAT item will be randomly selected from the item pool. The next item to be answered is the item with the maximal variance among the remaining items according to the provisional person ability [21, 38]. For the detailed item selection rules, interested readers can see Additional file 3 on the Excel VBA codes. All the responses will be automatically saved on the study website (see the spreadsheet reply in Additional file 4).

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