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. Author manuscript; available in PMC: 2018 Jul 28.
Published in final edited form as: Neuropsychologia. 2017 May 25;102:95–108. doi: 10.1016/j.neuropsychologia.2017.05.027

Table 5.

Correlations between WCST Metrics and Behavioral Validation Variables [95% CIs]

Number of Efficient Shifts Cognitive Persistence
Abstract Reasoning
TCFCa −0.33 [−0.41, −0.24]* 0.09 [−0.07, 0.25]
Working Memory
WMS-audb 0.38 [0.22, 0.51]* 0.01 [−0.15, 0.16]
WMS-visb 0.34 [0.17, 0.48]* 0.04 [−0.13, 0.22]
Performance Consistency
CPT SEc −0.13 [−0.31, 0.08] −0.22 [−0.40, −0.03]*

Note.

TCFC: trials to complete first category. WMS-aud: Wechsler Memory Scale auditory subtest. WMS-vis: Wechsler Memory Scale visual subtest. CPT SE: Continuous Performance Test standard error of hit reaction time.

a

Higher TCFC indicates poorer abstract reasoning.

b

WMS data available for 135 participants.

c

CPT data available for 108 participants. Higher CPT SE indicates less consistent performance.

*

95% CIs estimated from non-parametric bootstrap resampling did not include 0.