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Table 3 Confirmatory factor analysis: convergent reliability and validity of the OPES scale for nursing students (n = 325)

From: Development and validation of the oral presentation evaluation scale (OPES) for nursing students

Construct/Item Item score Factor loading Reliability
Mean SD λ t R2 CR AVE
Accuracy of content       .881 .517
 Item 7 4.25 0.60 .695 13.774*** .483   
 Item 14 4.23 0.68 .660 12.863*** .435   
 Item 8 3.98 0.66 .786 16.352*** .617   
 Item 10 3.88 0.69 .828 17.703*** .686   
 Item 9 4.03 0.72 .766 15.753*** .586   
 Item 11 4.08 0.65 .697 13.835*** .486   
 Item 13 3.92 0.78 .569 10.687*** .324   
Effective Communication       .901 .647
 Item 22 3.58 0.91 .894 20.230*** .799   
 Item 21 3.43 0.97 .817 17.548*** .668   
 Item 24 3.69 0.91 .794 16.816*** .631   
 Item 23 3.64 0.87 .854 18.802*** .730   
 Item 12 3.41 0.79 .639 12.490*** .408   
Clarity of speech       .862 .676
 Item 17 3.94 0.76 .765 15.541*** .586   
 Item 18 3.81 0.79 .881 19.002*** .776   
 Item 19 3.70 0.76 .817 17.026*** .667   
  1. Note. λ standardized factor loading, R2 reliability of item (squared multiple correlation, SMC), CR construct (component/composite) reliability, AVE average variance extraction
  2. *** p < .001