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Table 4 Factor correlation matrix from the five-factor exploratory factor analysis

From: How do we measure attention? Using factor analysis to establish construct validity of neuropsychological tests

  Capacity Search Digit span Arithmetic Sustained
Capacity 1     
Search 0.61 1    
Digit span 0.45 0.35 1   
Arithmetic 0.43 0.45 0.40 1  
Sustained 0.44 0.25 0.30 0.29 1