Table 3.
VSPLOT24 dichotomous item selection based on 1000 simulated CAT sessions using a normal distribution of theta, by sample type.
| Item types | Samples | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Item | Degrees Per Click | Line Length | Full U.S. sample | By gender | By age | British sample | Rem. | |||
| Male | Female | 8 - 10 | 11 - 17 | 18 - 21 | ||||||
| 1 | 9 | L | S | S | S | S | S | S | S | |
| 2 | 9 | L | S | S | S | S | S | S | ||
| 3 | 9 | M | S | S | S | S | S | S | ||
| 4 | 9 | M | S | S | S | S | S | S | S | |
| 5 | 6 | M | X | |||||||
| 6 | 6 | L | S | S | S | S | S | S | S | |
| 7 | 6 | M | S | S | S | S | S | S | ||
| 8 | 6 | L | S | S | S | S | S | S | S | |
| 9 | 3 | L | X | |||||||
| 10 | 3 | M | X | |||||||
| 11 | 3 | M | X | |||||||
| 12 | 3 | L | X | |||||||
| 13 | 3 | L | X | |||||||
| 14 | 9 | L | S | S | S | S | S | S | S | |
| 15 | 9 | M | S | |||||||
| 16 | 3 | L | X | |||||||
| 17 | 6 | L | S | S | S | S | S | S | S | |
| 18 | 9 | L | S | S | S | S | S | S | S | |
| 19 | 6 | L | S | S | S | S | S | S | S | |
| 20 | 6 | M | S | S | ||||||
| 21 | 9 | M | S | S | S | S | S | S | S | |
| 22 | 3 | M | X | |||||||
| 23 | 3 | M | X | |||||||
| 24 | 6 | M | X | |||||||
Note. L = Long; M = Medium; S = selected; Rem. = removed from final VSPLOT15 battery.