Table 2.
Summary Statistics for ADHD Credibility Index (ACI) Scores by Group
| Neurotypical Control Group | ADHD Group | Simulation Group | |||
|---|---|---|---|---|---|
| Credible | Overreporting | Credible | Non-Credible | ||
| Median (MAD) | 2 (2) | 22 (5) | 11 (4) | 10.5 (5.5) | 17 (7) |
| ACI-A | 0 (0) | 5 (1) | 2 (1) | 2.5 (1.5) | 4 (2) |
| ACI-B | 0 (0) | 5.5 (1.5) | 3 (1) | 2 (1) | 4 (2) |
| ACI-C | 0 (0) | 6 (1) | 3 (1) | 2 (1) | 4 (2) |
| ACI-D | 0 (0) | 6 (1.5) | 2 (1) | 2 (2) | 4 (2) |
| Range | 25 | 23 | 32 | 17 | 36 |
| Min—Max | 0–25 | 7–30 | 0–32 | 2–19 | 0–36 |
| Mode | 0 | 24 | 5a | 5 | 19 |
| ACI-A | 0 | 5 | 2 | 1 | 5 |
| ACI-B | 0 | 5.5 | 3 | 1 | 6 |
| ACI-C | 0 | 6 | 2 | 2 | 5 |
| ACI-D | 0 | 6 | 3 | 2 | 5 |
MAD median absolute deviation, ACI-A supposed symptoms subscale, ACI-B exaggerated symptoms subscale, ACI-C symptom combinations subscale, ACI-D selectivity subscale
aMultiple modes exist. The smallest value is shown here