Table 3. Summary of the PCA results for the ball.

Before orthogonal rotation
Dimension	Eigenvalue	Variance explained		Variable loadings
		Individual	Cumulative	Contact latency	Persistence	Motor diversity	Approach posture	Manipulation likelihood
1	2.1059	42.1187		0.1925	0.6168	0.7670	0.0353	0.4944
2	1.0595	21.1904	63.3091	0.5968	0.1596	0.0696	0.0934	0.1401
3	0.9985	19.9693	83.2783	0.0046	0.0454	0.0496	0.8473	0.0516
4	0.6380	12.7605	96.0388	0.2010	0.1117	0.0156	0.0215	0.2882
5	0.1981	3.9612	100.0000	0.0051	0.0665	0.0982	0.0025	0.0257
After orthogonal rotation
1	1.8086	36.1719		0.0001	0.8191	0.8548	0.0008	0.1337
2	1.3214	26.4285	62.6003	0.7849	0.0003	0.0312	0.0000	0.5050
3	1.0339	20.6780	83.2783	0.0089	0.0023	0.0002	0.9751	0.0474