
Correlation between indexes of K-WISC-IV and CAT performance result
Subtest of CAT | VCI | PRI | WMI | PSI | FSIQ | CPI | GAI |
---|---|---|---|---|---|---|---|
Visual, simple selective attention | |||||||
Omission error | 0.23 | 0.158 | 0.243 | 0.191 | 0.292 |
0.279 |
0.241 |
Commission error | 0.354> |
0.189 | 0.275 |
0.263 | 0.395 |
0.348 |
0.345 |
Mean reaction time | -0.201 | -0.164 | -0.236 | 0.188 | -0.09 | -0.036 | -0.242 |
Response time variability | 0.212 | 0.232 | 0.21 | 0.245 | 0.397 |
0.296 |
0.276 |
Auditory, simple selective attention | |||||||
Omission error | 0.039 | 0.106 | 0.003 | 0.112 | 0.098 | 0.082 | 0.09 |
Commission error | 0.256 | 0.219 | 0.168 | 0.328 |
0.339 |
0.333 |
0.298 |
Mean reaction time | -0.052 | 0.034 | 0.054 | -0.047 | 0.008 | -0.007 | -0.008 |
Response time variability | 0.193 | 0.132 | 0.22 | 0.242 | 0.348 |
0.314 |
0.214 |
Inhibition-sustained attention | |||||||
Omission error | 0.323 |
0.213 | 0.221 | 0.413 |
0.419 |
0.42 |
0.338 |
Commission error | 0.343 |
0.051 | 0.239 | 0.153 | 0.301 |
0.269 |
0.259 |
Mean reaction time | -0.093 | -0.046 | -0.052 | 0.273 |
0.061 | 0.151 | -0.094 |
Response time variability | 0.312 |
0.069 | 0.242 | 0.301 |
0.348 |
0.362 |
0.246 |
Interference-selective attention | |||||||
Omission error | 0.332 |
0.183 | 0.257 | 0.299 |
0.402 |
0.365 |
0.324 |
Commission error | 0.13 | 0.037 | 0.08 | 0.189 | 0.09 | 0.202 | 0.101 |
Mean reaction time | -0.107 | 0.063 | -0.073 | 0.284 |
0.119 | 0.142 | -0.039 |
Response time variability | 0.118 | 0.18 | 0.25 | 0.348 |
0.348 |
0.402 |
0.179 |
Divided attention | |||||||
Omission error | 0.09 | -0.003 | -0.088 | 0.2 | 0.035 | 0.103 | 0.049 |
Commission error | 0.177 | 0.176 | 0.09 | 0.006 | 0.02 | 0.093 | 0.209 |
Mean reaction time | -0.244 | -0.07 | 0.155 | 0.101 | 0.031 | 0.112 | -0.179 |
Response time variability | 0.159 | 0.111 | 0.41 |
0.222 | 0.441 |
0.41 |
0.182 |
Working memory | |||||||
Forward correct response number | -0.075 | 0.365 | 0.065 | -0.208 | 0.017 | -0.096 | 0.168 |
Forward memory span | 0.263 | 0.362 | 0.029 | -0.049 | 0.226 | 0.026 | 0.386 |
Backward correct respinse number | 0.167 | 0.176 | 0.248 | -0.121 | -0.031 | 0.072 | 0.207 |
Backward memory span | 0.13 | 0.164 | 0.198 | -0.153 | -0.002 | 0.013 | 0.188 |
*p<0.05; **p<0.01. K-WISC-IV, Korean-Wechsler Intelligence Scale of Children, fourth edition; CAT, Comprehensive attention test; 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