Table 1.
Descriptive Statistics of Observed Variables
| M (SD) | Median | Range | Skew | Kurtosis | |
|---|---|---|---|---|---|
| ALS Anxiety-Depression | 8.73 (3.61) | 8 | 5–20 | 0.87 | 2.97 |
| ALS Depression-Elation | 16.61 (5.30) | 17 | 8–32 | 0.28 | 2.50 |
| ALS Anger | 7.94 (3.22) | 7 | 5–20 | 1.26 | 4.15 |
| PC Impatience | 5.96 (2.14) | 6 | 3–15 | 0.82 | 3.61 |
| PC Distractibility | 15.14 (4.85) | 15 | 6–30 | 0.35 | 2.65 |
| PC Impulsivity | 2.63 (2.12) | 2 | 0–7 | 0.44 | 2.06 |
| SR Parcel 1 | 2.47 (1.39) | 3 | 0–5 | −0.05 | 2.20 |
| SR Parcel 2 | 3.40 (1.54) | 3 | 0–6 | −0.18 | 2.24 |
| SR Parcel 3 | 2.68 (1.54) | 3 | 0–6 | 0.09 | 2.27 |
| SP Parcel 1 | 2.87 (1.71) | 3 | 0–6 | 0.09 | 2.02 |
| SP Parcel 2 | 3.35 (1.72) | 3 | 0–6 | −0.21 | 2.11 |
| SP Parcel 3 | 2.52 (1.79) | 2 | 0–6 | 0.23 | 2.03 |
| T1 Marijuana Use | 1.68 (4.25) | 0 | 0–28 | 3.63 | 17.22 |
| T1 Marijuana Problems | 0.72 (1.75) | 0 | 0–14 | 3.26 | 15.29 |
| T2 Marijuana Use | 1.23 (3.76) | 0 | 0–28 | 4.53 | 25.84 |
| T2 Marijuana Problems | 0.46 (1.43) | 0 | 0–16 | 4.57 | 30.59 |
Note. N = 2,270. ALS = Affect Lability; PC = Poor Control; SR = Sensitivity to Reward; SP = Sensitivity to Punishment.