< Secondary school | ≥ Secondary school | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
18-39 | 40-55 | 18-39 | 40-55 | ||||||||||||||||
PD | P | z | T | IQ | PD | P | z | T | IQ | PD | P | z | T | IQ | PD | P | z | T | IQ |
0 | 2 | −2.42 | 26 | 64 | 0 | 4 | −1.94 | 31 | 71 | 0 | 1 | −2.66 | 23 | 60 | 0 | 4 | −1.94 | 31 | 71 |
1 | 4 | −1.97 | 30 | 70 | 1 | 9 | −1.50 | 35 | 77 | 1 | 1 | −2.21 | 28 | 67 | 1 | 9 | −1.5 | 35 | 77 |
2 | 7 | −1.52 | 35 | 77 | 2 | 15 | −1.07 | 39 | 84 | 2 | 4 | −1.76 | 32 | 74 | 2 | 15 | −1.07 | 39 | 84 |
3 | 14 | −1.08 | 39 | 84 | 3 | 24 | −0.63 | 44 | 91 | 3 | 10 | −1.32 | 37 | 80 | 3 | 24 | −0.63 | 44 | 91 |
4 | 24 | −0.63 | 44 | 91 | 4 | 40 | −0.20 | 48 | 97 | 4 | 20 | −0.87 | 41 | 87 | 4 | 40 | −0.2 | 48 | 97 |
5 | 41 | −0.18 | 48 | 97 | 5 | 61 | 0.24 | 52 | 104 | 5 | 35 | −0.42 | 46 | 94 | 5 | 61 | 0.24 | 52 | 104 |
6 | 62 | 0.26 | 53 | 104 | 6 | 76 | 0.68 | 57 | 110 | 6 | 50 | 0.02 | 50 | 100 | 6 | 76 | 0.68 | 57 | 110 |
7 | 77 | 0.71 | 57 | 111 | 7 | 85 | 1.11 | 61 | 117 | 7 | 66 | 0.47 | 55 | 107 | 7 | 85 | 1.11 | 61 | 117 |
8 | 88 | 1.16 | 62 | 117 | 8 | 93 | 1.55 | 65 | 123 | 8 | 80 | 0.92 | 59 | 114 | 8 | 93 | 1.55 | 65 | 123 |
9 | 94 | 1.60 | 66 | 124 | 9 | 97 | 1.98 | 70 | 130 | 9 | 90 | 1.36 | 64 | 120 | 9 | 97 | 1.98 | 70 | 130 |
10 | 98 | 2.05 | 71 | 131 | 10 | 99 | 2.42 | 74 | 136 | 10 | 97 | 1.81 | 68 | 127 | 10 | 99 | 2.42 | 74 | 136 |
N | 64 | N | 109 | N | 204 | N | 136 | ||||||||||||
Mean | 5.41 | Mean | 4.45 | Mean | 5.95 | Mean | 5.34 | ||||||||||||
SD | 2.238 | SD | 2.295 | SD | 2.238 | SD | 2.401 | ||||||||||||
Median | 5 | Median | 4 | Median | 6 | Median | 6 | ||||||||||||
Skewness | −0.153 | Skewness | −0.025 | Skewness | −0.156 | Skewness | −0.410 | ||||||||||||
Kurtosis | 0.129 | Kurtosis | −0.232 | Kurtosis | −0.473 | Kurtosis | −0.095 | ||||||||||||
Range | 0-10 | Range | 0-10 | Range | 0-10 | Range | 0-10 |