Table 2.

Sample Sizes

Session	n	Mean	SD	α	1	%	Number of factors (NF)
0	234	57.71	8.08	0.65	3.24	0.19	5
1	224	49.95	9.98	0.81	4.60	0.27	3
2	213	42.51	10.54	0.86	5.38	0.32	3
3	212	37.73	10.84	0.88	6.04	0.36	2
4	220	34.29	10.55	0.89	6.34	0.37	2
6	212	31.73	10.4	0.90	6.75	0.40	2
8	201	29.33	9.14	0.88	6.38	0.38	2
10	187	27.43	9.31	0.90	6.86	0.40	2
12	215	28.14	10.22	0.91	7.38	0.43	2

Children's Depression Rating Scale (CDRS) Mean (mean), CDRS standard deviation (SD), coefficient α, first eigenvalue (₁), percent`age of variance explained by the first factor (%), and number of factors (NF) inferred from parallel analysis.