Table 2. Estimations of the Discrimination (αi) and Localization (βik) Parameters for ADHD Symptoms.
| It | Content | Parameters | |||
|---|---|---|---|---|---|
| α (SE) | β1 (SE) | β2 (SE) | β3 (SE) | ||
| Inattention subscale | |||||
| IA1 | Careless. | 2.52 (.18) | -0.26 (.05) | 1.04 (.04) | 1.82 (.10) |
| IA2 | Inattention. | 2.05 (.16) | 0.49 (.06) | 1.55 (.10) | 2.18 (.13) |
| IA3 | Listen. | 2.04 (.15) | -0.06 (.06) | 1.36 (.09) | 2.06 (.12) |
| IA4 | Instruction. | 2.63 (.19) | 0.09 (.05) | 1.33 (.08) | 2.08 (.12) |
| IA5 | Disorganized. | 2.58 (.18) | 0.02 (.05) | 1.22 (.07) | 2.03 (.11) |
| IA6 | Avoid. | 2.56 (.18) | 0.05 (.05) | 1.36 (.08) | 1.92 (.11) |
| IA7 | Lose. | 1.77 (.14) | .049 (.06) | 1.66 (.11) | 2.42 (.16) |
| IA8 | Distracted. | 2.89 (.20) | -0.41 (.05) | 0.89 (.06) | 1.47 (.08) |
| IA9 | Forgetful | 2.55 (.18) | -0.01 (.05) | 1.32 (.08) | 1.91 (.11) |
| Hyperactivity/Impulsivity subscale | |||||
| HI1 | Fidget. | 2.53 (.18) | -0.31 (.05) | 0.46 (.05) | 1.16 (.07) |
| HI2 | Seat. | 3.11 (.22) | -0.38 (.05) | 0.55 (.05) | 1.23 (.07) |
| HI3 | Run. | 3.40 (.26) | 0.03 (.05) | 0.91 (.06) | 1.53 (.08) |
| HI4 | Quiet. | 1.67 (.14) | 1.03 (.08) | 1.85 (.13) | 2.66 (.19) |
| HI5 | Motor. | 2.57 (.19) | 0.15 (.05) | 0.91 (.06) | 1.49 (.09) |
| HI6 | Talk. | 1.78 (.12) | -0.63 (.07) | 0.71 (.07) | 1.52 (.10) |
| HI7 | Blurt. | 1.45 (.11) | 0.06 (.07) | 1.59 (.11) | 2.53 (.18) |
| HI8 | Wait. | 2.15 (.15) | -0.11 (.06) | 1.06 (.07) | 1.76 (.10) |
| HI9 | Interrupt. | 1.97 (.14) | -0.35 (.06) | 1.08 (.07) | 1.91 (.11) |
Note. It = Item; IA = Inattention; HI = Hyperactivity/Impulsivity; SE = Standard Error of Measurement.