Cognitive Research: Principles and Implications

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

Back to article page