Cognitive Research: Principles and Implications

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

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