Table A2.

Harman’s single factor test.

	Total Variance Explained
Component	Initial Eigenvalues			Extraction Sums of Squared Loadings
	Total	% of Variance	Cumulative%	Total	% of Variance	Cumulative%
1	7.554	31.475	31.475	7.554	31.475	31.475
2	2.381	9.923	41.398
3	2.019	8.412	49.810
4	1.713	7.136	56.946
5	1.146	4.777	61.723
6	1.065	4.437	66.161
7	0.940	3.916	70.076
8	0.765	3.187	73.263
9	0.686	2.858	76.122
10	0.597	2.486	78.608
11	0.569	2.371	80.979
12	0.520	2.166	83.144
13	0.455	1.897	85.042
14	0.435	1.814	86.856
15	0.428	1.784	88.640
16	0.414	1.724	90.364
17	0.401	1.672	92.035
18	0.337	1.404	93.439
19	0.316	1.318	94.757
20	0.295	1.230	95.987
21	0.273	1.139	97.126
22	0.262	1.093	98.219
23	0.225	0.938	99.157
24	0.202	0.843	100.000