Parameters | Points | Groups | Pearson’s chi-squared test | |
---|---|---|---|---|
1 | 2 | |||
Total points | ||||
Facial expression: | ||||
Nose | 0 | 15 | 11 | χ2 = 2.5962, df = 1, |
1 | 0 | 4 | ||
Eyes | 0 | 13 | 14 | χ2 = 0, df = 1, |
1 | 2 | 1 | ||
Ear position | 0 | 15 | 15 | χ2 = 0, df = 1, |
1 | 0 | 0 | ||
Head position | 0 | 15 | 15 | χ2 = 0, df = 1, |
1 | 0 | 0 | ||
Back position | 0 | 15 | 15 | χ2 = 0, df = 1, |