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Table 3 Item analysis, reliability and discrimination for SCIP-B

From: Is the Satisfaction with Cancer Information Profile (SCIP) valid for tailoring information for patients with head and neck cancer?

Item Item mean Item SD Item-total correlation Item Delta
Usefulness of information to you 4.1 0.6 0.74 0.71
Usefulness to others 4.0 0.7 0.69 0.78
Written information 3.7 1.0 0.52 0.93
Verbal information 4.2 0.7 0.76 0.72
Timing of information 4.0 0.8 0.63 0.73
Detail of information 4.1 0.7 0.69 0.71
Understanding of information 4.2 0.5 0.67 0.54
Scale Alpha 0.87    
Scale Delta 0.90