Table 8. Components derived from PCA on the variables measured in the greeting and playing subtest.

Variable	Playfulness	Dependency	Openness
Playing with O	0.887
Playing with S	0.808
Greeting O		0.815
Latency to approach O		-0.814
Greeting S			0.754
Latency to approach S			-0.731
Eigenvalues	1.780	1.379	1.015
Explained variance (%)	25.672	24.502	19.388

KMO = 0.513; Bartlett: χ² = 62.088, df = 15, p<0.000.