Table 3.

Results of decision study reliability estimation for diurnal slope, diurnal (log) mean, and waking slope in Study 1 and Study 2. See Table 1 for description of the designs.

	Study 1			Study 2
	Slope	Mean	AUC	Slope	Mean	AUC
Design I. Between subjects at the same occasion of measurement
Number of days
3	.30	.63	.53	.32	.67	.36
7	.50	.80	.72	.53	.83	.57
10	.59	.85	.79	.61	.87	.65
14	.67	.89	.84	.69	.91	.73
21	.75	.92	.88	.77	.94	.80
Design II. Between subjects at different occasions of measurement
Number of days
3	.22	.31	.31	.20	.38	.19
7	.30	.34	.36	.27	.43	.24
10	.33	.35	.38	.29	.44	.25
14	.35	.36	.39	.30	.45	.26
21	.37	.36	.40	.32	.46	.27
Design IV. Within subjects, change across occasions
Number of days
3	.36	.74	.60	.47	.68	.58
7	.57	.87	.78	.68	.83	.76
10	.65	.90	.83	.75	.88	.82
14	.72	.93	.87	.81	.91	.86
21	.80	.95	.91	.86	.94	.91

Note: AUC = area under the curve