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Fig. 2 | BMC Medical Informatics and Decision Making

Fig. 2

From: Item response theory analysis and properties of decisional conflict scales: findings from two multi-site trials of men with localized prostate cancer

Fig. 2

Item information functions and test information functions for the DCS-12, aggregated DCS-12, and LL DCS-10. Information (y-axis) represents the precision with which a respondent’s latent trait value (x-axis) can be estimated. Higher information indicates greater precision. In this analysis, decisional conflict is the latent trait being measured

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