Journal of the Korean Academy of Child and Adolescent Psychiatry : eISSN 2233-9183 / pISSN 1225-729X

Table. 2.

Difference between intelligence subindex scores

Measures Paired differences t df p
Mean±SD 95% CI
VCI minus PRI 4.219±13.523 1.602-6.836 3.197 104 0.002**
VCI minus WMI 3.162±14.044 0.444-5.880 2.307 104 0.023*
VCI minus PSI 9.581±16.766 6.336-12.826 5.856 104 <0.001***
PRI minus WMI -1.057±14.042 -3.775-1.660 -0.771 104 0.442
PRI minus PSI 5.362±15.498 2.363-8.361 3.545 104 0.001**
WMI minus PSI 6.419±16.632 3.200-9.638 3.955 104 <0.001***

*p<0.05; **p<0.01; ***p<0.001. CI, confidence interval; PRI, Perceptual Reasoning Index; PSI, Processing Speed Index; SD, standard deviation; VCI, Verbal Comprehension Index; WMI, Working Memory Index

J Korean Acad Child Adolesc Psychiatry 2025;36:26-35 https://doi.org/10.5765/jkacap.240025
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