Table 3.
Item concordance
| Verbal–semantic knowledge | Odds | Odds ratio (CI) | Statistical tests | |
|---|---|---|---|---|
| Model perceptual data | ||||
| Less-expert subjects | ||||
| Incorrect | 6/2285 | 41.32 (23.5–72.6) | χ2assoc | 355.95 |
| Correct | 26/265 | χ2homog | 7.83 | |
| More-expert subjects | P | 0.005 | ||
| Incorrect | 70/1330 | 10.83 (8.55–13.7) | ||
| Correct | 402/1070 | |||
| Manufacturer perceptual data | ||||
| Less-expert subjects | ||||
| Incorrect | 262/2285 | 3.58 (2.71–4.73) | χ2assoc | 295.57 |
| Correct | 84/265 | χ2homog | 0.0073 | |
| More-expert subjects | P | NS | ||
| Incorrect | 381/1330 | 3.64 (3.07–4.30) | ||
| Correct | 635/1070 | |||
| Decade perceptual data | ||||
| Less-expert subjects | ||||
| Incorrect | 751/2285 | 1.50 (1.15–1.95) | χ2assoc | 53.44 |
| Correct | 112/265 | χ2homog | 1.00 | |
| More-expert subjects | P | NS | ||
| Incorrect | 599/1330 | 1.75 (1.48–2.06) | ||
| Correct | 630/1070 | |||
CI = confidence interval; NS = not significant.