| Factor 1 | Factor 2 | Factor 3 | Factor 4 |
---|---|---|---|---|
Paper and pencil measures: | ||||
 - Processing speed | .361 | .547 | .544 | −.108 |
 - Working memory | .149 | .015 | .781 | .387 |
 - Verbal memory- Immediate | .887 | .257 | .346 | .085 |
 - Verbal memory- Delayed | .898 | .191 | .144 | .108 |
 - Interference control | .182 | −.015 | .160 | .940 |
Cogstate Battery: | ||||
 - Psychomotor functioning | −.145 | .879 | −.136 | .097 |
 - Attention | −.159 | .896 | .012 | −.052 |
 - Working memory-simple | .360 | .113 | .802 | −.100 |
 - Visual Learning | .546 | −.164 | .456 | −.025 |
 | Visual-verbal memory | Psychomotor speed | Working memory | Interference control |