Correlation between indexes of K-WISC-IV, CAT and ARS (n=55)
| ARS, total | ARS, odd-number | ARS, even-number | |
|---|---|---|---|
| K-WISC-IV | |||
| VCI | -0.118 | -0.018 | -0.181 |
| PRI | 0.165 | 0.083 | 0.196 |
| WMI | -0.062 | 0.002 | -0.107 |
| PSI | 0.051 | 0.053 | 0.034 |
| FSIQ | 0.058 | 0.070 | 0.029 |
| CPI | 0.011 | 0.059 | -0.040 |
| GAI | 0.017 | 0.036 | -0.007 |
| CAT | |||
| Visual, simple selective attention | |||
| Omission error | 0.009 | -0.033 | 0.047 |
| Commission error | -0.043 | -0.027 | -0.045 |
| Mean reaction time | 0.087 | 0.059 | 0.089 |
| Response time variability | 0.226 | 0.165 | 0.219 |
| Auditory, simple selective attention | |||
| Omission error | 0.019 | -0.177 | 0.206 |
| Commission error | 0.025 | -0.011 | 0.054 |
| Mean reaction time | 0.055 | -0.034 | 0.126 |
| Response time variability | 0.103 | 0.099 | 0.076 |
| Inhibition-sustained attention | |||
| Omission error | -0.151 | -0.129 | -0.128 |
| Commission error | 0.038 | 0.175 | -0.108 |
| Mean reaction time | 0.073 | -0.012 | 0.136 |
| Response time variability | -0.024 | 0.012 | -0.053 |
| Interference-selective attention | |||
| Omission error | -0.192 | -0.101 | -0.225 |
| Commission error | 0.136 | 0.248 | -0.016 |
| Mean reaction time | 0.076 | 0.060 | 0.070 |
| Response time variability | -0.060 | 0.004 | -0.106 |
| Divided attention (n=27) | |||
| Omission error | 0.117 | -0.003 | 0.210 |
| Commission error | -0.042 | 0.006 | -0.081 |
| Mean reaction time | 0.283 | 0.288 | 0.218 |
| Response time variability | 0.080 | 0.117 | 0.027 |
K-WISC-IV, Korean-Wechsler Intelligence Scale of Children, fourth edition; CAT, Comprehensive attention test; ARS, Attention-Deficit/Hyperactivity Disorder Rating Scale; VCI, Verbal Comprehension Index; PRI, Perceptual Reasoning Index; WMI, Working Memory Index; PSI, Processing Speed Index; FSIQ, Fullscale intelligence quotient; CPI, Cognitive Proficiency Index; GAI, General Ability Index