Table 3 Correlation between IQ and executive functions
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 |