. Author manuscript; available in PMC: 2008 Oct 6.

Published in final edited form as: J Pers Assess. 2007 Dec;89(3):292–302. doi: 10.1080/00223890701629813

Table 2. Diagnostic Statistics for Determining the Number of Cluster Solutions to Retain.

Cluster Number	BSS	SPRSQ	PF	PTS
10	2.3	.02	32.1	14.7
9	2.9	.03	32.8	12.9
8	3.6	.03	34.0	12.7
7	3.7	.03	35.8	14.4
6	3.9	.03	38.1	11.7
5	4.2	.03	42.0	15.9
4	6.9	.04	47.6	16.1
3	7.1	.07	52.9	25.6
2	11.8	.14	52.0	43.0
1	23.1	.21	—	52.0

Note. BSS = between-cluster sums of squares; SPRSQ = semipartial R²; PF = pseudo-F; PTS = pseudo-t².