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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 4.

Correlations [95% CIs] between Demographic Variables and WCST Metrics

1 2 3 4
1. Age —
2. Educationa 0.01 [−0.13, 0.16] —
3. NES −0.49 [−0.59, −0.37]* 0.30 [0.17, 0.41]* —
4. Persistence −0.04 [−0.15, 0.07] 0.07 [−0.09, 0.23] 0.01 [−0.13, 0.09] —
M
Female 59.86 15.70 0.94 −0.01
Male 58.16 15.51 0.80 −0.00
M differenceb 1.71 [−3.04, 6.45] 0.19 [−0.57, 0.93] 0.14 [−0.23, 0.52] −0.01 [−0.04, 0.02]

Note.

Education: years of education; NES: number of efficient shifts.

a

Education data were available for 176 participants.

b

Studentized 95% CIs as recommended by Canty and Ripley (2016).

*

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