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Table 7 Factor loadings for the five-factor solution

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

  FA1 FA2 FA3 FA4 FA5
Multiple object tracking 0.805 0.022 0.009 0.021  − 0.064
Visual working memory 0.614 0.030 0.023  − 0.078 0.141
Spatial span 0.506 0.047 0.041 0.066 0.076
Digit symbol coding 0.348 0.293  − 0.038 0.058 0.137
Approx number sense 0.324  − 0.018 0.065 0.096 0.234
TMT-A  − 0.031 0.768  − 0.030  − 0.059 0.038
TMT-B 0.073 0.676 0.066 0.148  − 0.063
Letter cancellation 0.205 0.458 0.092 0.099 0.059
Visual search 0.007 0.321 0.124  − 0.172  − 0.008
Backward digit span 0.158  − 0.100 0.619 0.062  − 0.011
Forward digit span  − 0.054 0.048 0.859  − 0.019 0.016
Arithmetic  − 0.008 0.010 0.003 0.991 0.012
Gradual onset CPT 0.009  − 0.006 0.040 0.063 0.566
Flanker interference  − 0.096 0.000  − 0.078  − 0.055 0.152