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- W4296564779 abstract "Abstract Objective To apply generalization theory and item response theory to analyze the entries of the QLICD-NS (V2.0), a quality of life scale for patients with nephrotic syndrome of chronic diseases. Methods The quality of the scale was measured by applying the overall scores of the generalization theory(GT) as well as the corresponding relative or absolute errors, generalization coefficients and reliability indices. The research also used software of Multilog 7.0 to apply difficulty, discrimination coefficients, and information content of each item of item response theory( IRT). Results The GT results showed an even distribution of the proportion of total score contribution ratio across the 4 domains, except for social functioning. The probability coefficients of all four domains were greater than 0.50. The reliability indices of all domains were greater than 0.5 except for social functioning. The relative and absolute error variances of the four domains were within 0.30. The IRT results showed that the discrimination of the QLICD-NS (V2.0) scale was 0.82, and the items with a good degree of differentiation. Except for entry of TNS7 and TNS8, the difficulty coefficients of the remaining items were between -3.0 and 3.0 and were monotonically increasing. The information content of TNS5 and TNS8 was less than 0.12, and the mean values of information content in the remaining items met the criteria, which can be considered as good quality items. Conclusion The QLICD-NS (V2.0) developed in this study has good performance, but a few items still need further improvement." @default.
- W4296564779 created "2022-09-21" @default.
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- W4296564779 date "2022-09-21" @default.
- W4296564779 modified "2023-10-01" @default.
- W4296564779 title "Analysis on items of QLICD-NS (V2.0) based on Generalization Theory and Item Response Theory" @default.
- W4296564779 doi "https://doi.org/10.21203/rs.3.rs-1950778/v1" @default.
- W4296564779 hasPublicationYear "2022" @default.
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