Table 3. Discriminative validity of the revised CCSS-NCQ.
| Impaireda | Not impaireda | Differenceb (effect size)d | t | Differencec (effect size) | t | ||
|---|---|---|---|---|---|---|---|
| Memory | |||||||
| Memory assessment measures | Total recall | -0.473 (0.938) | 0.099 (0.885) | 0.572*** (0.639) | 7.28 | 0.570*** (0.656) | 7.45 |
| Short-term memory | -0.432 (0.932) | 0.077 (0.897) | 0.508*** (0.562) | 6.14 | 0.482*** (0.548) | 5.95 | |
| Long-term memory | -0.442 (0.930) | 0.124 (0.879) | 0.565*** (0.634)** | 7.80 | 0.545*** (0.628) | 7.67 | |
| Attention & processing speed assessment measures | Trails A | -0.248 (0.961) | 0.040 (0.905) | 0.289*** (0.316) | 3.62 | 0.338*** (0.380) | 4.32 |
| CPT-II OMS | -0.247 (0.966) | 0.032 (0.909) | 0.279** (0.304) | 3.09 | 0.215* (0.240) | 2.42 | |
| CPT-II VAR | -0.219 (0.961) | 0.049 (0.903) | 0.268** (0.293) | 3.47 | 0.197* (0.220) | 2.55 | |
| WAIS-III Longest Digit Forward | -0.286 (0.956) | 0.081 (0.894) | 0.366*** (0.402) | 5.05 | 0.373*** (0.422) | 5.26 | |
| Executive functioning assessments | WAIS-III Longest Digit Backward | -0.352 (0.897) | 0.090 (0.908) | 0.441*** (0.487) | 5.91 | 0.427*** (0.485) | 5.87 |
| Verbal Fluency | -0.349 (0.916) | 0.121 (0.893) | 0.470*** (0.522) | 6.78 | 0.453*** (0.518) | 6.69 | |
| Trails B | -0.257 (0.889) | 0.094 (0.918) | 0.351*** (0.386) | 5.18 | 0.374*** (0.424) | 5.65 | |
| Task efficiency | |||||||
| Memory assessment measures | Total recall | -0.587 (1.028) | 0.109 (0.877) | 0.696*** (0.777) | 8.74 | 0.696*** (0.780) | 8.87 |
| Short-term memory | -0.447 (1.02) | 0.062 (0.908) | 0.509*** (0.563) | 5.98 | 0.488*** (0.533) | 5.80 | |
| Long-term memory | -0.455 (0.9863) | 0.109 (0.895) | 0.565*** (0.634) | 7.57 | 0.558*** (0.618) | 7.54 | |
| Attention & processing speed assessment measures | Trails A | -0.486 (0.971) | 0.090 (0.910) | 0.575*** (0.628) | 7.16 | 0.629*** (0.698) | 7.93 |
| CPT-II OMS | -0.375 (1.04) | 0.046 (0.915) | 0.420*** (0.458) | 4.57 | 0.371*** (0.402) | 4.06 | |
| CPT-II VAR | -0.304 (1.03) | 0.064 (0.905) | 0.368*** (0.402) | 4.33 | 0.330*** (0.358) | 4.16 | |
| WAIS-III Longest Digit Forward | -0.372 (0.961) | 0.092 (0.916) | 0.464*** (0.510) | 6.27 | 0.460*** (0.504) | 6.29 | |
| Executive functioning assessments | WAIS-III Longest Digit Backward | -0.448 (0.953) | 0.101 (0.911) | 0.548*** (0.595) | 7.23 | 0.542*** (0.599) | 7.24 |
| Verbal Fluency | -0.466 (0.930) | 0.148 (0.99) | 0.614*** (0.676) | 8.78 | 0.612*** (0.685) | 8.87 | |
| Trails B | -0.340 (0.941) | 0.126 (0.920) | 0.465*** (0.502) | 6.73 | 0.488*** (0.537) | 7.16 | |
| Organization | |||||||
| Memory assessment measures | Total recall | -0.189 (1.051) | 0.043 (0.873) | 0.232* (0.205) | 2.59 | 0.230** (0.254) | 2.88 |
| Short-term memory | -0.229 (1.050) | 0.045 (0.877) | 0.275** (0.245) | 2.93 | 0.260** (0.287) | 3.13 | |
| Long-term memory | -0.135 (1.029) | 0.039 (0.872) | 0.173* (0.153) | 2.15 | 0.164* (0.181) | 2.20 | |
| Attention & processing | Trails A | -0.135 (1.012) | 0.026 (0.890) | 0.160 (0.145) | 1.86 | 0.190* (0.209) | 2.38 |
| speed assessment measures | CPT-II OMS | -0.120 (1.054) | 0.023 (0.881) | 0.143 (0.128) | 1.41 | 0.109 (0.121) | 1.22 |
| CPT-II VAR | -0.118 (1.014) | 0.035 (0.876) | 0.153 (0.138) | 1.84 | 0.117 (0.129) | 1.50 | |
| WAIS-III Longest Digit Forward | -0.134 (0.991) | 0.040 (0.887) | 0.175 (0.192) | 2.40 | 0.178* (0.196) | 2.45 | |
| Executive functioning assessments | WAIS-III Longest Digit Backward | -0.134 (0.973) | 0.035 (0.896) | 0.170 (0.186) | 2.25 | 0.165* (0.181) | 2.19 |
| Verbal Fluency | -0.141 (0.976) | 0.050 (0.887) | 0.192 (0.210) | 2.73 | 0.182** (0.200) | 2.60 | |
| Trails B | -0.021 (0.977) | -0.001 (0.887) | 0.020 (0.022) | 0.29 | 0.031 (0.034) | 0.46 | |
| Emotional regulation | |||||||
| Memory assessment measures | Total recall | -0.362 (0.993) | 0.068 (0.035) | 0.430*** (0.462) | 5.27 | 0.418*** (0.468) | 5.32 |
| Short-term memory | -0.359 (0.961) | 0.057 (0.927) | 0.416*** (0.446) | 4.86 | 0.374*** (0.417) | 4.53 | |
| Long-term memory | -0.310 (0.973) | 0.078 (0.918) | 0.388*** (0.417) | 5.13 | 0.362*** (0.404) | 4.93 | |
| Attention & processing speed assessment measures | Trails A | -0.215 (0.897) | 0.038 (0.953) | 0.254** (0.270) | 3.09 | 0.311*** (0.344) | 3.91 |
| CPT-II OMS | -0.363 (0.942) | 0.056 (0.931) | 0.419*** (0.449) | 4.56 | 0.344*** (0.382) | 3.85 | |
| CPT-II VAR | -0.311 (0.974) | 0.079 (0.918) | 0.390*** (0.419) | 4.96 | 0.331** (0.368) | 4.28 | |
| WAIS-III Longest Digit Forward | -0.278 (0.951) | 0.074 (0.927) | 0.352*** (0.377) | 4.73 | 0.341*** (0.380) | 4.75 | |
| Executive functioning assessments | WAIS-III Longest Digit Backward | -0.279 (0.980) | 0.064 (0.921) | 0.342*** (0.366) | 4.44 | 0.328*** (0.365) | 4.42 |
| Verbal Fluency | -0.377 (0.953) | 0.128 (0.904) | 0.505*** (0.550) | 7.15 | 0.504*** (0.573) | 7.40 | |
| Trails B | -0.179 (0.953) | 0.065 (0.936) | 0.243*** (0.258) | 3.46 | 0.272*** (0.301) | 4.02 |
Note:
a
Score of neurocognitive concerns estimated by IRT methods;
b
Unadjusted model;
c
Adjusted for current age, race, and gender;
d
Magnitude of effect size: <0.2 are classified as negligible, 0.2–0.49 as small, 0.5–0.79 as moderate, and >0.8 as large. Effect sizes ≥0.5 are considered as a clinically important difference;
*
p<0.05,
**
p<0.01,
***
p<0.001.