https://www.selleckchem.com/pr....oducts/2-hydroxybenz
Item analysis is important in examining the quality of items. The main aims of this sub-study were to assess and improve the psychometric properties of the modified version of the Routine Blood Transfusion Knowledge Questionnaire (RBTKQ-2) and produce an optimized version (RBTKQ-O) of it. Statistical item analysis was performed on the RBTKQ-2 after completion by 305 nurses. There were one (3%) easy, 15 (47%) moderately difficult, and 16 (50%) difficult items. Twenty six (81%) items and six (19%) had positive significant and
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