TABLE 4.
n | GLBa | Between-item correlationsb |
||||||||||
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | |||||
Items | Total Score | Facial expression | Eye contact | Activity level | Self-stimulation | Vocalization | Briskness of response | Relationship | Attraction | |||
Total score | 36 | 0.74c | – | |||||||||
1 | Facial expression | 0.69 (<0.001) | – | |||||||||
2 | Eye contact | 0.63 (<0.001) | 0.50 (0.002) | – | ||||||||
3 | Activity level | 0.30 (0.073) | 0.09 (0.592) | 0.06 (0.742) | – | |||||||
4 | Self-stimulation | 0.21 (0.216) | 0.23 (0.186) | 0.34 (0.041) | -0.10 (0.572) | – | ||||||
5 | Vocalization | 0.70 (<0.001) | 0.20 (0.241) | 0.10 (0.556) | 0.24 (0.158) | -0.24 (0.153) | – | |||||
6 | Briskness of response | – | – | – | – | – | – | – | ||||
7 | Relationship | 0.67 (<0.001) | 0.53 (0.001) | 0.56 (0.001) | 0.12 (0.494) | 0.13 (0.447) | 0.28 (0.095) | – | ||||
8 | Attraction | 0.75 (<0.001) | 0.75 (<0.001) | 0.57 (0.001) | 0.19 (0.270) | 0.19 (0.278) | 0.27 (0.101) | – | 0.73 (<0.001) | – |
aGreatest lower bound for reliability coefficient. bSpearman ρ. cBriskness of response was constant and dropped from the analysis.