Skip to main content

Table 3 Correlation between IQ and executive functions

From: Cognitive dysfunction among inpatients and outpatients with schizophrenia: relationship to positive and negative symptoms

Variables Verbal IQ Performance IQ Total IQ
r P value* r P value* r P value*
WCST
Category completed 0.485 0.000 0.442 0.000 0.596 0.000
Total errors − 0.461 0.000 − 0.445 0.000 − 0.573 0.000
Preservative errors 0.101 0.155 0.123 0.084 0.125 0.077
Non-preservative errors − 0.396 0.000 − 0.391 0.000 − 0.488 0.000
Times to complete 1st category 0.179 0.011 0.058 0.412 0.130 0.067
  1. WCST Wisconsin Card Sorting Test, IQ intellectual quotient
  2. *Independent t test