Table 1.

Empirical simulation-based estimates of test-retest correlation Corr(S _test, S _retest) in equation (14)

	Corr(S test, S retest)
	Total N = 30		Total N = 50
C α	k = 5	k = 10	k = 5	k = 10
0.1	0.10	0.10	0.10	0.10
0.2	0.20	0.20	0.20	0.20
0.3	0.30	0.29	0.30	0.30
0.4	0.39	0.39	0.40	0.39
0.5	0.49	0.50	0.49	0.50
0.6	0.59	0.59	0.60	0.60
0.7	0.69	0.69	0.70	0.70
0.8	0.79	0.80	0.80	0.79
0.9	0.90	0.90	0.90	0.90

Note: Total N: total number of subjects; C _α: Cronbach alpha; k: number of items