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Figure 1. Correlations between full-scale or fixed short form and CAT for Sleep Disturbances. From: Development of Short Forms from the PROMIS Sleep Disturbance and Sleep-Related Impairment Item Banks.
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Figure 2. Correlations between full-scale or fixed short form and CAT for Sleep-related Impairment item bank. From: Development of Short Forms from the PROMIS Sleep Disturbance and Sleep-Related Impairment Item Banks.
Figure 4. Test Information Curves for the PROMIS Sleep-Related Impairment Full Item Bank, Short Form, Epworth Sleepiness Scale (ESS), and Pittsburgh Sleep Quality Index (PSQI). From: Development of Short Forms from the PROMIS Sleep Disturbance and Sleep-Related Impairment Item Banks.
Figure 3. Test Information Curves for the PROMIS Sleep Disturbance Full Item Bank, Short Form, Epworth Sleepiness Scale (ESS), and Pittsburgh Sleep Quality Index (PSQI). From: Development of Short Forms from the PROMIS Sleep Disturbance and Sleep-Related Impairment Item Banks.
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